A perfectly portable powerhouse gimbal for stable video shoots.

With many people now choosing a DSLR or mirrorless camera for all their still photography and video needs, the market for high-performing gimbals that help deliver the best, most creative and stable footage has mushroomed in recent years.

Zhiyun is one major player in this arena, alongside main rivals DJI and Moza, plus others. Zhiyun has released over a dozen different gimbals since 2014, from the smartphone-oriented Smooth Q2 to professional gimbals such as the Crane 3S which is designed to support heavier camera setups with extended lenses.

This latter kind of setup would be overkill for most consumer and prosumer users - e.g. any set-up and situation where you might realistically be advised to wear a back brace for shooting video for hours on end. What most people want is a gimbal that offers plenty of power and flexibility, but which doesn’t look like you arrived in a truck with a crew.

The Zhiyun Weebill-S is the Chinese company’s latest offering for this mid-range customer. Building on the success of its Crane Lab gimbal, the Weebill-S takes design cues from its older sibling but presents them in a more compact form factor. Zhiyun is calling the Weebill-S a ‘Tiny Giant’. This is intended to convey the relatively diminutive form factor of the Weebill-S, whilst simultaneously underlying its strengths (incidentally, a weebill is in fact Australia’s smallest bird, a bit like a European sparrow or wren).

Zhiyun Weebill-S gimbal, inline

Unboxing the Weebill-S is encouraging, with an overall feeling of quality and attention to detail. A sturdy foam box in two halves neatly houses the gimbal and all components that you need for immediate operation (it’s an idea to photograph the contents when you first open the box, so you can put everything back in the right place later - see photo below). There is no actual carry case supplied - nor, as far as we can tell, one available to purchase at time of writing - so the foam box could prove important to you long-term. Alternatively, as the Weebill-S folds down to be no bigger than a piece of A4 paper, a decent camera bag or backpack can easily accommodate it plus a few accessories.

The delivery includes the gimbal, a quick-release plate, a variety of connector leads and two heavy-duty batteries. The latter provide up to 14 hours of runtime and can also simultaneously charge your camera, so all-day shooting should be feasible. We certainly never ran into any power issues during our extended testing.

Zhiyun Weebill-S gimbal delivery, inline

The Weebill-S is not noticeably heavy (it weights just under 1kg, without a camera) and even with a camera attached it never becomes unwieldy. The gimbal features the popular two-in-one quick release plates (Manfrotto/Arca-Swiss), enabling an easy setup and fast transitions between equipment without the need for constant re-balancing. There is also a riser plate included in the delivery, should you need a particular camera to be elevated slightly above the quick release plate.

The Weebill-S has a new ‘Axis Lock’ design, with a redesigned lock switch on each axis to make balancing and storage easier. This makes it easier to fine-tune the crucial balancing process, as you can balance one axis and lock this in place, then tackle the next axis and so on. Once they’re all locked, you’re good to go and you can leave your camera on the gimbal as you move around and nothing should change. When you’re ready to shoot, simply unlock the axes and the gimbal can do its stabilising thing.

Once you’ve successfully balanced your camera, you can also leave the mounting plate attached, giving you freedom to shoot with or without the gimbal as circumstance demands. The plate is relatively unobtrusive, so never feels too much in the way of hands and fingers, and when you want to use the gimbal again, your camera is already set up for perfect balance.

One caveat regarding balancing and operation - applicable to all gimbals - is that the bigger and heavier your camera payload, the higher the chance of some limitations of movement at certain angles. We didn’t experience anything significant with our test Canon 760D camera, but some users with more elaborate camera-lens-filter set-ups have reported issues, especially when switching gimbal handling modes.

Zhiyun Weebill-S gimbal with camera and tripod, inline

The Weebill-S is ideally suited to mid-range DSLR and mirrorless cameras with native lenses. Given the uprated strength of its motors, the Weebill-S can also handle more elaborate, esoteric and heavier kit configurations, but obviously the permutations here are endless, so if you have a specific niche camera set-up you should research this aspect more carefully. There are plenty of reviews online, which cover most camera configurations.

On the subject of motors, the Weebill-S has much stronger motors than the Crane Lab and an improved and upgraded ‘8th Instune’ algorithm for snappier responsiveness to help eliminate camera jitter in fast-moving situations. The autotune function instructs the gimbal to deliver the appropriate motor power for the camera and lens combination you choose to run, with three levels of torque for the stabiliser. It’s also possible to adjust the speed and other parameters of each axis directly using the dial on the handle of the Weebill-S.

Zhiyun claims the new motors provide a 300 per cent improvement in torque and a 50 per cent increase in responsiveness - big numbers, any way you slice them. Zhiyun cites camera and lens combinations such as the Sony A7Ⅲ with an FE 24-70mm F2.8 or a Canon 5D MK IV with EF 24-70mm F2.8 as examples of serious kit that can easily be balanced and stabilised atop the Weebill-S. We’ve seen a camera/lens combination weight of around 2kg suggested as a sensible ballpark for the Weebill-S. YMMV.

Stabiliser modes available include Pan Following Mode (PF) (the camera pans left/right following the movement of the stabiliser, with the tilt and roll axes locked, although operating the joystick manually enables control of the tilt axis); Locking Mode (L) (which locks the movement of all three axes; again, the joystick can manually override tilt and pan); Point of View Mode (POV) (whereby all three motors can rotate 360° to follow the movement); Follow Mode (pressing the trigger button at the back means the camera pans and tilts, following the movement of the stabiliser, while the joystick controls the rotation of the roll axis); Go Mode (press the Fn Button allows the camera to pan and tilt, following the movement of the stabiliser at fast speeds, but keeping the roll axis locked); and finally Vortex Mode (double-pressing the POV mode button tilts the camera at a 90° angle and pans to follow the movement of the handle with unlimited 360° rotation, keeping the roll axis locked).

Essentially, any way you want to shoot, the Weebill-S has got your back. Whether it’s a straightforward tracking shot or something altogether wilder (the 360° and Vortex modes are heaps of creative fun), this gimbal can keep pace with your ideas.

One of the coolest features of the Weebill-S is its handling. It’s a simple enough innovation, but the ability to choose between either holding it upright in front of you or in ‘underslung’ mode - where the camera is essentially shooting from knee/ankle-height - is very convenient and makes creative shooting more straightforward to execute. All you have to do is unscrew the handle and reattach it where you want it: top or bottom. This handle also doubles as a built-in stand, so you won’t necessarily always need a separate tripod (even though there is a thread adapter to take one, should you need it): you can simply fold out the handle’s three legs. All told, it’s a mini ergonomic triumph.

Zhiyun Weebill-S gimbal with tripod, inline

Shooting operation of the Weebill-S is straightforward. There are physical controls directly on the main handle, with a small LCD display (showing both gimbal and core camera settings, such as ISO, F-stop and shutter speed), a record button, a POV button, the joystick/scroll wheel, menu navigation buttons, power button, a ‘Go’ button and Locking or Pan Follow Mode button. All the common actions are right there under your thumb and fingers for easy access.

Camera focus can be controlled in one of two ways: either electronically or by mechanical focus/zoom control via the control wheel on the Weebill-S. By attaching the included cable (not the longest in the world, it has to be said, so make sure it’s snugly connected), you can control camera focus and zoom precisely. In our experience this worked well, the servo motors precisely refining image focus. You might not need to touch your camera at all once it’s mounted on the gimbal. It also allows for creative refocussing mid-shot, e.g. going in and out of focus to achieve a blurred fade, which is great and very convenient direct from the gimbal.

More options - as well as all of the above - are opened up if you use the Zhiyun Play app (iOS or Android). We previously used the Play app with the Smooth Q2 for smartphone control of the gimbal and image preview. With the Weebill-S, this smartphone sidecar expansion offers even more (the app isn’t required: the core functions of the gimbal work absolutely the same with or without the app).

Panorama, Timelapse, Motionlapse and Long Exposure Timelapse are additional creative options in the app, as well as onscreen controls for motor strength, calibration and the Scene Mode.

Sync Motion is another nice touch that allows you to control the movement of your gimbal by physically moving your smartphone or tablet in whatever direction you choose for the gimbal to replicate. Some DJI gimbals have a similar function, called Force Mobile, and Sync Motion is Zhiyun’s response. It works well and you’d be surprised how often you can find a use for it. An obvious application is that the app and your smartphone can act as a remote control for both camera and gimbal if you want or need to work at a distance from them.

However, the real power of the app and smartphone combo is unlocked if you are also using the TransMount Image Transmission Module, an optional accessory. This Transmission Module is a wireless transmitter, capable of HD image at 1080P, 30fps, direct to a smartphone or tablet at a distance of up to 100m. It enables a whole gamut of professional image control features (Histogram, Pseudocolor, LUT, Zebra Stripes, Clipping, Reference Line, Focus Peaking, Monochrome Display, Mirror Image), as well as professional real-time monitoring and livestreaming.

The Module is mounted onto the gimbal underneath the quick release plate, which is neat enough, although you are obviously adding more weight and complication to your mobile setup as it sprouts an increasing number of cables and antennae.

The ViaTouch 2.0 software system is pretty cool, as you now have direct touchscreen control over so many image and shooting functions, bringing together the controls for camera, gimbal and smartphone. You can also now use the SmartFollow 2.0 function, which allows precise object tracking simply by tapping the object on the phone screen and the gimbal will handle the rest. There is also Sync Motion, a motion sensor control system that allows real-time monitoring and synchronous motion control at the same time.

The Transmission Module can also be used as a standalone HDMI wireless image transmitter for any suitably equipped camera, which is a nice fringe benefit. It has its own rechargeable battery and accepts HDMI signals, so isn’t limited solely to use with the Weebill-S.

If you also happen to add the TransMount Image Transmission Receiver to your Weebill-S package, you can have a professional monitoring solution, transmitting your footage to up to three different devices, including professional HD monitors. With the full TransMount Image Transmission Package, you can also live stream direct to social media channels. Note: you don’t need this Transmission Receiver unit to view and monitor on a single device; it is only required for output to an HDMI monitor.

These extras really up the ante in terms of what the Weebill-S is capable of in terms of professional film-making, although they do increase the complexity of the set-up, as well as the weight and the cost.

While image transmission is built-in with the Crane gimbal, and its DJI counterpart, Zhiyun has obviously taken a more modular approach with the Weebill-S. If you feel like you don’t necessarily want the ViaTouch functionality immediately, or that you don’t need the professional monitoring solutions, you can buy the basic Weebill-S package and be perfectly content with that. Down the road, you have the option to expand your set-up as your burgeoning film-making needs dictate. There are also bundle prices available from Zhiyun which include various add-ons, such as the TransMount Wireless Remote Controller.

All this transmitter/receiver action somewhat deviates from the core appeal of the Weebill-S. A lot of users are simply looking for a high-performance, eminently portable gimbal for their camera, one that exhibits intelligent and thoughtful design touches. If it also has some additional app-driven smarts, cool. The Weebill-S definitely scores highly on all these points. Expansion options down the road are a nice to have, meaning people can start with the base gimbal package and it will grow with them.

We’ve had a blast filming with the Weebill-S, testing it in a variety of situations and locations. It always performed impeccably and the results were solid. We never felt like the gimbal was struggling to keep up or lagging behind our movement. Only the more extreme, rapid gestures - done deliberately to try and catch the gimbal out - caused it to break a sweat and noticeably destabilised the image.

With the Weebill-S, the price is right and the form factor is spot-on for its intended market, the foldable design and minimal weight absolutely encouraging you to carry it with you more often. The strong motors of the Weebill-S also promises a degree of longevity for the gimbal vis-a-vis being able to cope with any upgrades you might make to your camera equipment.

If you’re looking for a gimbal to steady your DSLR or mirrorless camera work, the Weebill-S is a serious contender at a fair price.

Zhiyun Weebill-S

Zhiyun Weebill-S, £329

Zhiyun Weebill-S Zoom & Focus Pro Package, £387

Zhiyun Weebill-S Image Transmission Pro Package, £519

[Prices correct at time of publication]

Brought to you by Zhiyun

Zhiyun tech

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As a musician, what is your definition of success?

Being Happy
Building something that I love
Staying creative
Enjoying the process

What is your idea of perfect happiness?

Being in love with my work
Seeing good results and higher streaming numbers on my music
Feeling good about myself throughout the process

What’s your present state of mind?

Optimistic and Patient

What’s your most treasured possession?

I don’t treasure possessions heavily. I’m grateful for my new car, cause it’s the first car I’ve ever purchased. That was a big moment for me. Besides that, I’m not attached to stuff much.

What do you enjoy doing most?

Making music and finding new ways to share my music with a larger audience

Where are you going to be in 10 years?

I’ll have a few hundred million streams on music and I’ll be making music with the people I look up to right now. I’ll also be exploring my other passions and entrepreneurial ventures.

https://open.spotify.com/album/3QlYdN

https://www.tiktok.com/@iammikexi?source=h5_m

With the further development of the concept of energy saving and low carbon, large industrial ceiling fans are gradually replacing traditional small fans in many different places such as logistics warehouses, farms and airports. Large-scale industrial ceiling fans with full functions and good quality are the targets for bulk ordering in these locations. So where are the large industrial ceiling fans more suitable for placement?

1. Large workshop

Most of today's production and processing companies are equipped with large workshops, such as aircraft assembly plants, household appliance parts assembly plants, and auto repair shops. These large workshops are equipped with large-scale industrial ceiling fans that are cost-effective for speeding up heat dissipation and ventilation. It helps reduce the operating temperature in the plant and increase work efficiency on hot summer days.

2. E-commerce logistics warehouse and cargo distribution center

According to a large number of statistics, most e-commerce platforms are equipped with large industrial ceiling fans in large e-commerce logistics warehouses and cargo distribution centers. These environments place a large number of products on a daily basis and have a large number of employees carrying goods for delivery, which makes the indoor environment extremely susceptible to pollution, while large industrial ceiling fans can improve the quality of the air and prevent the goods in the warehouse from rot or Deteriorating phenomenon.

3. Large public buildings

According to statistics, large-scale public ceiling fans #hvls fan #high volume low speed fan #industrial ceiling fan #ceiling industrial fan, such as stadiums, stations and airports, have begun to widely use large-scale industrial ceiling fans. It can dispel the troubles caused by crowds and crowds, and also eliminate some odors in the air, thus creating more comfort for travelers. Suitable for a restful viewing environment.

Large industrial ceiling fans are frequently used in large areas such as large farms and mechanical processing plants because of their improved air quality and reduced operating temperature. More and more places are starting to search for large industrial ceiling fans. Which word of mouth is good? In addition to large workshops, e-commerce logistics warehouses, cargo distribution centers, and large public buildings, the sites it has applied have gradually spread to other regions.

Gaxiao is a one of the professional industrial ceiling fan manufacturers in China with our own R&D team, we are always ready to help you increase air circulation and reduce energy cost.

Company Profile

Jiangsu Gaxiao, one of the professional industrial fan manufacturers, is located in Suzhou, Jiangsu province, China. Since its inception, Gaxiao has always been committed to the development and research of large industrial fans. Adhere to the corporate purpose: down to earth, technology-oriented, focus on quality, brand name service!

Our company's main products are as follows: Traditional Industrial Fan, PMSM Fan, Commercial Fan, Explosion-Proof Fan and so on. On the basis of energy saving, low carbon and environmental protection, try our best to make the world cool and refreshing.

The big air industrial ceiling fans belong to a kind of ceiling fan which is produced by utilizing the dynamics of ambient air. It is highly praised by users in the market. The reason is that professional big air industrial ceiling fans aggregate various advantages and can effectively provide ventilation for a variety of different venues. Let's take a look at the main reasons for the popularity of the big air industrial ceiling fans.

First of all, this big air industrial ceiling fan is cost-effective and energy-saving. Although it is a high-tech ceiling fan, the design of energy-saving and environmentally friendly materials will not be too high in price, and the low speed will not cause users to consume high power. Moreover, it has a long life, so it is more cost-effective and more popular with users.

Then, the big air industrial fan run very smoothly and are safe to use. All kinds of fasteners are one-piece installation. Moreover, this ultra-large energy-saving ceiling fan can run continuously for a long time, improving the space environment for users. It does not cause the motor to overheat and malfunction due to long running time. The ceiling fan itself has a cooling function, and the low speed operation does not cause too much heat, so users are willing to choose.

Company Profile

Jiangsu Gaxiao, one of the professional commercial fan manufacturers is located in Suzhou, Jiangsu province, China. Since its inception, Gaxiao has always been committed to the development and research of high volume low velocity ceiling fans. Adhere to the corporate purpose: down to earth, technology-oriented, focus on quality, brand name service!

Every summer is the season of trouble for major factories and workshop managers. Why are we saying this? The current workers' treatment requirements have been improved, and the work environment without central air conditioning or environmental air conditioning work has caused a shortage of employment. The installation of central air-conditioning will increase the cost of corporate expenses, which is a lot of money. Not every business can afford the cost of expensive central air conditioning. What about the large workshops where air conditioners cannot be installed? The times are changing, is technology solved?

Our company believes that business owners can install big air industrial fan for their own factories and workshops. This is the best solution for both. Compared to central air conditioning, the cost of installing big air industrial fan is much lower. So what are the advantages of large industrial fans?

1. The big air industrial fan specifically solves the problem of high space ventilation and cooling;
2. The big air industrial fan needs up to 1.5 kWh per hour;
3. The big air industrial fan has a large coverage area and low overall input cost;

The company specializes in the production and manufacture of the best industrial fan, and produces and sells industrial fans, industrial fans, big air industrial fans, industrial ceiling fans, industrial large ceiling fans, and large industrial ceiling fans. When you buy a big air industrial fan, our company is a good choice.

Company Profile

Jiangsu Gaxiao, one of the professional commercial fan manufacturers is located in Suzhou, Jiangsu province, China. Since its inception, Gaxiao has always been committed to the development and high volume low speed industrial fans. Adhere to the corporate purpose: down to earth, technology-oriented, focus on quality, brand name service!

Extra large industrial ceiling fans are kind of fan which is widely used in large industrial workshop, logistics warehouse, waiting room, exhibition hall and other high and large space. It is an industrial cooling equipment for space ventilation and cooling. The overall design of this extra large industrial ceiling fan has been accurately calculated to produce the best effect of the breeze in line with the human body's best feeling. Moreover, the maximum operating power of each fan is only 1.5 kw, and only 12 yuan is required for 8 hours per day.

1. Personnel cooling:

Extra large industrial ceiling fans (#hvls fan #high volume low speed industrial fans#industrial ceiling fan #ceiling industrial fan) change the traditional way of cooling the human body directly by fans. The natural breeze produced by industrial fans blows on the human body and promotes the evaporation of sweat to take away heat, thus cooling the human body and bringing the feeling of cooling. Usually, this cooling sensation can reach 5-8 degrees Celsius. The three-dimensional natural wind blown by the super-large energy-saving fan is more comfortable, because on the one hand, the three-dimensional wind blows the human body in an all-round way, so that the evaporation area of the human body reaches the maximum. On the other hand, human beings have accumulated a kind experience of natural wind in nature. Once there is a natural breeze with variable wind speed, the human body will naturally feel extremely comfortable and cool.

2. Natural ventilation:

In previous ventilation schemes, people often decided which products and quantity to use according to the number of ventilation in space. This effect is very obvious in a small space. You can even see the steam in the bathroom drain out quickly with the operation of the negative pressure fan. But in the large and wide enclosed space, the ventilation effect is not obvious. Smoke, moisture, carbon dioxide, and poor-quality air are still concentrated at the bottom of the building. Roof negative pressure fans have no effect on the air in all corners, but the people and equipment are there.

3. Dehumidification and dehumidification:

Super-large energy-saving fans can solve this problem: the advantage is that they are direct and effective! It promotes air mixing throughout space. Other benefits are the elimination of birds and bedbugs, as well as the avoidance of noise and decay caused by humidity from other ventilation schemes.

Gaxiao is a one of the professional industrial ceiling fan manufacturers in China with our own R&D team, we are always ready to help you increase air circulation and reduce energy cost.   

When choose industrial fans, the user maybe confused, and do not know which kind is better. While a good industrial fan is not only meeting performance requirements,but also involving safety and noise.

Five safety standards for large industrial fans as follow:

1. Check whether the motor head and the whole machine will shake when rotating in low and medium speed gears, especially in high speed gears.

2.After a long period of high speed rotation (at least 1 hour later),perceive the heat generating from the front shell of the industrial fan by hand or other instruments. If it feels very hot, it indicates that the industrial fan motor has poor heat dissipation performance.

3, look at the speed, power, air volume, noise and other parameters (industrial fan speed, power, air volume and noise is proportional, that is to say, the higher of fan speed, the power and air volume are greater,  the noise will also become larger,part ventilation cooling effect is better).

4, see whether there is intermittent pause in high speed rotation around the head, whether the head is not in place.

5. Gaxiao industrial fan is designed with brand-new mortise and tenon structure connection mode, which has the function of real anti-collision.

Then, we need to observe the industrial fan noise. What are the sources of noise?

1.Vibration. If the rotor of the fan rotates, the rotor's physical center of mass and the center of inertia of the rotating shaft are not on the same axis, it will lead to the imbalance of the rotor.The close distance between the physical center of mass of the rotor and the center of inertia of the rotor is called eccentricity, and the imbalance of the rotor will result in eccentricity. When the rotor rotates, a force acting on the support of the rotor will be generated due to the action of centrifugal force, resulting in vibration, and vibration will be transmitted from the base path to all parts of the machinery.

2.Wind noise. At the rotating of large industrial fans, the blades are periodically subject to the pulsating action, resulting in noise;On the other hand, the blade itself and the pressure on the blade are not evenly distributed, so it is easy to disturb the surrounding gas and parts during the rotation, which also constitutes the rotation noise.In addition, vortex noise is generated by the pulsation of pressure distribution on the blade , which is due to gas flowing through the blade generating the turbulent attachment layer, vortex and vortex separation.The noise of these 3 reasons can be called  "cut wind noise", the fan with general wind & big wind pressure, its cut wind noise is bigger also.

3. Abnormal sound, wind noise sounds like just the wind, but the abnormal sound is different, during the rotating of industrial fan, if except to the wind, there are still other sounds, you can judge the industrial fan has abnormal sound.Abnormal sound may occur due to foreign matter or deformation in the bearing, collision for improper assembly, or uneven winding of the motor resulting in looseness.The service life of fan is working time of radiator product working normally without breakdown , high grade industrial fan use life can achieve tens of thousands hours commonly.

The size of noise when the fan works, affected by many factors, the unit is decibel (dB).When measuring the large fan’s noise, it shall be carried out in the muffler room with noise less than 17dB, one meter away from the fan, and aligned with the fan's air inlet along the direction of the fan shaft, and measured in A weighted way.

4. The spectral characteristics of industrial fan noise are also very important. Therefore, it is necessary to record the noise frequency distribution with a spectrograph. Generally, the noise of the fan should be as small as possible and there should be no abnormal sound.Fan noise is related to friction and air flow.Fan rotate speed is higher, wind quantity is bigger, the noise that causes also can be bigger, the element of fan’s vibration also cannot ignore additionally.Of course, a high-quality fan will have very little vibration of its own, but the first two are difficult to overcome.To solve this problem, try using a larger fan.In the case of the same air volume, the working noise of the large fan at a lower speed should be less than that of the small fan at a higher speed.

Gaxiao is a one of the professional industrial ceiling fan manufacturers in China with our own R&D team, we are always ready to help you increase air circulation and reduce energy cost.  

Company Profile

Jiangsu Gaxiao, one of the professional commercial fan manufacturers is located in Suzhou, Jiangsu province, China. Since its inception, Gaxiao has always been committed to the development and research of industrial high volume fans. . Adhere to the corporate purpose: down to earth, technology-oriented, focus on quality, brand name service!

Nowadays, many physical factories use industrial large fans to promote the air circulation of the production workshop and reduce the temperature of the workshop. This solves the problem of how to choose large industrial fans. Many physical factories will purchase multiple fans in batches and install them in suitable parts of the workshop. . So what do you need to pay attention to when installing a new market quotation for huge industrial fan? #hvls fan #high volume low speed fan #industrial ceiling fan #ceiling industrial fan

First, use the steel bars to firmly fix the fan to the ceiling

The huge industrial fan consists of three main components: the fan blade and the fan head and the suspension device. Unlike ordinary household fans, industrial large fans usually need to be suspended and mounted on the top of the use scene. If the fan is not firmly fixed to the roof, it may cause the fan to fall during the later use. Therefore, it is necessary to fix the work when installing the industrial fan. It should be used on the ceiling of the factory floor. The steel bar hook securely fixes the assembled fan. If there are no reserved bar hooks on the ceiling of the production workshop, the fan should be used to lift the fan on the ceiling.

Second, connect each line accurately

The normal operation of large industrial fans requires the use of power supplies in addition to the support of various important components, and the manufacturers generally reserve the fuses of the live and neutral wires on the suspension of the fan. In the case where the connection between the fan head and the installation scene is inaccurate, a short circuit may occur. Therefore, when installing a large industrial fan, it is necessary to check the connection status of each line. In addition, it is necessary to cut off the installation scene in advance when wiring. Power supply to avoid accidents such as electric shock.

The introduction to the matters needing attention when industrial fan installation is coming to an end. In fact, the installation precautions for industrial large fans are not only the two aspects of suspension and wiring. In addition, the installer should also pay attention to installing the rubber wheel matched with the industrial large fan on the corresponding position on the fan instead of directly discarding it.

Gaxiao is a one of the professional industrial ceiling fan manufacturers in China with our own R&D team, we are always ready to help you increase air circulation and reduce cost.

Company Profile

Jiangsu Gaxiao, one of the professional industrial fan manufacturers, is located in Suzhou, Jiangsu province, China. Since its inception, Gaxiao has always been committed to the development and research of large industrial fans. Adhere to the corporate purpose: down to earth, technology-oriented, focus on quality, brand name service!

Our hvls fan company main products are as follows: Traditional Industrial Fan, PMSM Fan, Commercial Fan, Explosion-Proof Fan and so on. On the basis of energy saving, low carbon and environmental protection, try our best to make the world cool and refreshing.

Weaving machine is a fabric made of spinning parts, which is made of grey cloth or finished cloth by weaving, preparing and finishing. In order to distinguish knitting, it is customary to call weaving machine weaving

The fabric or finished fabric woven by a loom is made of two systems of yarn perpendicular to each other, namely warp and weft, which are woven by a loom according to certain rules. To do a good job of weaving preparation, the yarn through the network、twisting、 warping、sizing and other equipment to make warp (fabric roll axis) and filling package (isattached or cheese). Then  network equipment and the "spinning and twisting machinery" are the same, the rest of the equipment are as follows:

 (1)warping : A certain number of yarns from the package leads, regularly arranged in the beam width on the beam forming rules, forms a uniform layer of warp tension and winding according to the length of a uniform density. The warping machine has a batch warping machine, a warping machine, a yarn warping machine, a ball warping machine and so on.

 (2) sizing machine: to make the yarn surface coated with a uniform film, to increase the yarn strength, wear resistance, reduce the breakage rate, and make weaving smoothly. The size of sizing machine is divided into sizing machine, warp sizing machine, dyeing machine, finishing machine, warping and stretching machine.

 (3) loom: the warp and woof of each of the two vertical systems arranged by each other are woven into fabric or finished cloth by certain rules. There are many kinds of looms, which are mainly divided into two kinds: shuttle looms and non—shuttle looms.

 (4) finishing equipment: to inspect and repair the fabric quality, to improve and enhance the appearance quality of the fabric, and to pack it into a certain form of equipment. The finishing equipment includes cloth inspecting machine, brushing machine, cloth drying machine, cloth folding machine, packing machine and so on.

Cloth inspecting machine: it is used for quality inspection, winding and length measuring of all kinds of fabrics.

Cloth brushing machine: it is used to remove cloth, impurities and cotton knot, and improve the quality of cloth.

Cloth dryer: it is used for moisture regain cloth drying, to prevent mildew in storage.

Folding machine: to fold according to a certain folding, and to measure the total length of fabric based on the folding and folding number.

Packing machine: to make fabric packing into a certain form, which is convenient for transport and dyeing factory sales.

WEAVING MACHINERY

As an integrated supplier of weave machine, we are now providing electronic jacquard machine, high speed rapier looms, low speed rapier looms, jacquard looms, terry towel looms, industrial fabric looms, air jet looms and water jet looms. These weaving looms embody features of Europeans looms, as well as our unique design and technique. Diversified product range, reasonable price and first class quality have enabled us to provide specialized and right solutions for clients with different weaving needs.

Although there are many types of trunnion mounted ball valves produced by trunnion ball valve manufacturers, they all have the following ball valve characteristics:

1. Its operation is labor-saving: the ball is supported by upper and lower bearings, which reduces friction. It eliminates the excessive torque caused by the enormous sealing load formed by the sphere and seal seat driven by the inlet pressure.

2. Reliable sealing performance: PTFE unisexual material seals are embedded in stainless steel seats with springs at the end of the metal seats to ensure sufficient preload of the seals. When the sealing surface of trunnion type ball valve is worn out during use, the valve will continue to ensure good sealing performance under the action of spring.

3. Fire-proof structure: In order to prevent the PTFE sealing ring from burning down due to sudden heat or fire, and to increase the fire potential, a fire-proof sealing ring is set between the sphere and the valve seat. When the sealing ring is burned down, under the action of spring force, the seat sealing ring is quickly pushed onto the sphere to form a metal and metal seal. It has a certain degree of sealing effect. The refractory test meets the requirements of APl6FA and APl607 standards.

4. Automatic pressure relief function: When the medium pressure in the stagnant chamber of the trunnion mounted ball valve constructionincreases abnormally beyond the pre-force of the spring, the seat retreats away from the ball to achieve the effect of automatic pressure relief, and the seat is automatically restored after pressure relief.

5. Drainage pipeline: Both upper and lower parts of the valve body are equipped with discharge L, which can check whether the valve seat leaks or not. In work, when the valve is fully open or closed, the pressure in the middle chamber can be discharged and the filler can be replaced directly. The residue in the middle chamber can be discharged to reduce the medium pollution to the trunnion mounted ball valves.

Zeco Value is one of the most professional trunnion ball valve suppliers. For more information of product features, please visit our website at http://www.zecovalve.com/.

As a industrial Valve factory, ZECO always adhere to exceed customer expectations, to provide customers with more value-added

services and products as the ultimate goal.

ZECO valve group co ltd was established in year 1991. We are located in Shanghai, Yancheng and Wenzhou with total building area 102000㎡. Till now, we have expanded into a group with 8 holding companies(including 5 production bases), sales offices and sales agents. Mainly manufacturing forged ball valve, casting ball valve, wedge gate valve, through conduit gate valve, globe valve, dual plate check valve, swing check valve & forged steel valve.

3

Description of 3 inch flanged butterfly valve:

ZECO 3 inch butterfly valve is a small diameter butterfly valve, usually manually operated, and the connection is usually lug type or wafer type, because the advantage of small diameter butterfly valve is that it is simple in accordance with the way, compared with other valve flange connection operation is fast and simple. ZECO as a professional on the wafer and lug type butterfly valve manufacturer, is strict to the material and appearance of the casting, casting usually arrive ZECO factory, will be isolated in the corresponding area waiting for QC inspector inspection, inspector will, in turn, the chemical composition, physical properties of the casting and design is individually and will follow the ERP system into the data of the product review file for later use. ZECO also pays great attention to every detail in the production process, and each process will be tested and recorded by corresponding inspectors in the ERP system.

Features of 3 Inch Butterfly Valve:

1. ZECO 3 inch butterfly valve can use metal seal structure and resilient seal structure, connection mode can also choose lug type, wafer type and flange connection, the choice of diversity, users can choose according to the actual working conditions to meet the requirements of working conditions;
2. ZECO 3 inch butterfly valve has low torque. Although it is small in size, ZECO engineers make every effort to design the product so that users can feel ZECO's improvement in design, rather than rush through it;
3. The stem of ZECO 3 inch butterfly valve is designed with anti blow-out structure, which can ensure the maintenance personnel to avoid personal safety damage caused by the pressure of the middle chamber pushing out the stem when replacing the packing;
4. The seat and sealing ring of ZECO butterfly valve can be replaced, which ensures the quick and convenient maintenance of maintenance personnel on site.

Material of 3 Inch Butterfly Valve:

We have various valve for sale, the mainly butterfly valve price include 3 inch butterfly valve price,  4 inch butterfly valve price. Welcome to buy.

As a industrial valve manufacturer, ZECO always adhere to exceed customer expectations, to provide customers with more value-added

services and products as the ultimate goal.

ZECO valve group co ltd was established in year 1991. We are located in Shanghai, Yancheng and Wenzhou with total building area 102000㎡. Till now, we have expanded into a group with 8 holding companies(including 5 production bases), sales offices and sales agents. Mainly manufacturing forged ball valve, casting ball valve, wedge gate valve, through conduit gate valve, globe valve, dual plate check valve, swing check valve & forged steel valve.

Contrary to the maturity and elegance of satin, the yarn looks youthful, lively and elegant. There are many kinds of yarns, and the classification methods are also different. The general textile industry is classified according to its fiber and textile twisting method. Since we mainly introduce the knowledge of wedding fabrics, we will list the common yarns in wedding fabrics to give you a basic concept. Generally divided into: crystal yarn, organza yarn (European yarn), ice yarn, bicolor yarn, glass yarn, pearl yarn, snow yarn, mesh yarn, georgette yarn (chiffon)

The characteristics of yarn fabrics are versatile. It can be used as the main fabric or as an auxiliary material. The texture is soft and elegant, which can show the romantic and hazy beauty. There have great black sequin fabric and mermaid sequin fabric for you choice.

Suitable styles: cascading styles for rendering atmosphere, princess-style court styles. It can also be used on the long tail of the wedding dress alone. If it is a tight-fitting style, it can be covered on the main fabric as a simple veil.

Comparison of three common dress material characteristics

Eugen yarn, English name: Organza. Eugen yarn is light and elegant, very thin and transparent, feels a little stiff, and is suitable for materials with poncho contours. The price of imported Eugen yarns is relatively higher, mostly for higher grade wedding dresses or foreign trade wedding dresses.

Transparent or translucent light yarn, mostly covered on satin or silk. The wedding dresses designed by the French mostly use Eugen yarn as the main raw material. The composition of Eugen yarn is 100% pol, 100% nalon, polyester and nylon, polyester and rayon, nylon and rayon, etc.

Chiffon (georgette) fabric is light and elegant. It has the flexibility and thinness of silk. It is soft to the touch and looks refreshing and cool. Chiffon dress is very suitable for summer wear.

The crystal yarn has a hard texture, good transparency, light weight and thinness.

Compared with the satin, chiffon, taffeta, etc. of wedding fabrics, the information of crystal yarn is much less. We have also seen many netizens searching for "crystal yarn" in Google, but what they found may be just some supply and demand information of crystal yarn. There is very little information about crystal yarn on the Internet. The main reason is that crystal yarn is different from taffeta and other fabrics.

So, what is crystal yarn? With our years of experience in the wedding dress industry, we now summarize the characteristics of crystal yarn.

The English name is crystal yarn.

The crystal yarn has a hard texture, good transparency, light weight and thinness.

Crystal yarn is often used in the design of wedding dresses in spring, summer and autumn because of its good breathability.

You can judge according to the word "crystal yarn" itself: what is crystal yarn.

Simple comparison of other common wedding dresses material characteristics:

Pearl gauze: shiny, colorful, soft and elegant, suitable for lively, petite, princess brides.

Taffeta: It is light and slippery. It is easy to print dark patterns such as water or wood grain on the fabric, suitable for summer and autumn.

Product - red taffeta dress.

Snow yarn: It feels delicate and silky, and its light transmission is not high. It is mostly used to dye bright colors to make exotic dresses.

Ice yarn: The mesh is thick and dense, the reflection is uniform, the hardness is moderate, and it is mostly used as a cover yarn to cover the main fabric.

Turban yarn: Also called mesh yarn, as the name implies, it is generally the main material for the head yarn. Want to know more couture, please contact us.

1. Achromatic doublet lensis a kind of common lens. It consists of several groups of positive and negative cemented lenses with different radius of curved surface. It can only correct the axial chromatic aberration of red and blue light in spectral line. At the same time, the spherical aberration on the axis and the coma aberration on the paraxial point are corrected. This kind of lens can not eliminate the second-order spectrum, only the spherical aberration and chromatic aberration in the yellow and green wave regions are corrected. The spherical aberration and chromatic aberration of the remaining chromatic aberration and other wave areas can not be eliminated, and the image field bending is still very large, that is to say, only the clear image in the middle of the field of view can be obtained. It is advisable to use yellow-green light as illumination source or insert yellow-green filter in the optical path. This kind of lens is simple, economical and practical. It is often used in conjunction with correction eyepiece and is widely used in medium and low power microscopes. In black-and-white photography, green filters can be used to reduce the residual axial chromatic aberration and obtain good contrast photographs.

2. Complex achromatic doublet lensis composed of several groups of advanced lenses made of special optical glass and fluorite. The axial chromatic aberration is corrected by red, blue and yellow light, and the secondary spectrum is eliminated. Therefore, the image quality is good, but it is difficult to process and calibrate many lenses. The correction of chromatic aberration is in all wavebands of visible light. If blue or yellow filters are added, the effect will be better. It is the best objective in the microscope. It has good correction for spherical aberration and chromatic aberration. It is suitable for high magnification. However, it still needs to be used with compensating eyepiece to eliminate residual chromatic aberration.

3. Planar achromatic doubletlens is a complex optical structure composed of multiple lenses, which can correcting astigmatism and image field bending well, and make the whole field of view clear. It is suitable for microphotography. The correction of spherical aberration and chromatic aberration of the objective is still limited to the yellow-green wave region, and there is still residual chromatic aberration.

4. Planar achromatic doublet lens has the same degree of aberration correction as complex achromatic objective lens except for further image field bending correction, which makes the image clear and flat. But the structure is complex and difficult to manufacture.

Hyperion Optics is a premium supplier of photonics products including optical components, lens systems, and opto-mechanical assemblies from UV, VIS, NIR, to SWIR applications.

Our client base spans across defense, security, bioengineering, pharmaceutical, institutional, industrial, and research industries worldwide. We specialize in DFM (optical assembly manufacturing) input from rapid prototyping to volume production. Our comprehensive metrology coupled with cost-effective philosophy can help Hyperion customers obtain a competitive edge in the global market.

1、Technical principle

The curvature radius of the aspheric lens changes with the center axis. It can be used to improve optical quality, reduce the number of optical components and reduce design costs. Compared with spherical lens, aspheric lens has unique advantages, so it has been widely used in optical instrument, image and photoelectron industry, such as digital camera, CD player and high end micro instrument.

2、Comparative advantage

a, Spherical aberration calibration

The most remarkable advantage of aspheric lenses in replacing spherical lenses is that they can correct the spherical aberration caused by spherical lenses in collimating and focusing systems. By adjusting the surface constant and the aspheric coefficient, the aspheric lens can eliminate spherical aberration to the maximum extent.Aspheric lenses (rays converge to the same point and provides optical quality) basically eliminate spherical aberrations produced by spherical lenses (rays converge to different points and leads to blurred imaging).

Three spherical lenses are used to increase the effective focal length, which can be used to eliminate spherical aberration. However, a aspheric lens (high numerical aperture, short focal length) can be realized, and it can simplify the system design and provide the light transmittance.

b, System advantages

The aspheric lens simplifies the elements involved in optical engineers to improve the optical quality and improves the stability of the system.For example, in zoom systems, 10 or more lenses are normally used (additional: high mechanical tolerances, additional assembly procedures, and the improvement of antireflection coating). However, one or two aspheric lenses can achieve similar or better optical qualities. This reduces the system size, increases the cost rate and reduces the overall cost of the system.

3、Moulding techniques

a, Moulding of precision glass

The molding of precision glass is to make the glass material heated to high temperature and become plastic, and then molded by aspheric mold, and finally gradually cooled to room temperature.At present, the molding of precision glass is not suitable for aspheric lens with diameter greater than 10mm. However, new tools, optical glass and metrology process are driving the development of the technology. Although precision glass molding at the beginning of the hyp design has high cost (high precision mold development), but after the molding, the production of high-quality products can be split off the pre development costs. It is especially suitable for the needs of mass production.

b, Forming of precision polishing

Lapping and polishing are generally applicable to the production of monolithic aspheric lenses at one time. With the improvement of technology, the accuracy is higher and higher.The most remarkable thing is that precise polishing is controlled by computers and automatically adjusted to optimize parameters.If higher quality polishing is required, magnetorheological finishing (magneto-rheological finishing) will be adopted. Compared with standard polishing, magnetorheological finishing has higher performance and shorter time.Precision polishing molding technology need professional equipment. It is currently the first choice of sample production and small batch sample.

c, Hybrid molding technology

The hybrid molding is a spherical aspheric lens with a spherical lens as the substrate, which is cast on the surface of the spherical lens through an aspherical mould and cured by a layer of high polymer with UV light.Mixed forming is generally used the achromatic spherical lens as the base, and then a layer of aspheric surface is cast on the surface to eliminate chromatic aberration and spherical aberration simultaneously.Figure 7 is the manufacturing process of the hybrid aspheric lens. The hybrid aspherical lens is suitable for large scale manufacturing with additional characteristics (eliminating chromatic aberration and spherical aberration) .

d, Injection molding

In addition to glass aspherical lenses, there are plastic aspheric lenses.Plastic molding is the injection of molten plastics into aspherical molds.Compared with glass, the thermal stability and compressive resistance of plastics are poor. It requires special treatment to obtain similar aspherical lenses. However, the plastic aspheric lens is characterized by its low cost, light weight and easy molding. It is widely used in the fields of moderate optical quality, insensitive to thermal stability and little pressure resistance.

4、Basis of choice

All kinds of aspheric lenses have their own relative advantages. Therefore, it is very important to choose the right products for different applications. The main considerations include: batch, quality and cost.

Hyperion Optics is a premium supplier of photonics products including optical components, lens systems, and opto-mechanical assemblies from UV, VIS, NIR, to SWIR applications.

With the development of science and technology, people's requirement for parts processing quality is becoming higher and higher. At the same time, product modification is frequent. In general mechanical processing, single and small batch products account for an increasing proportion. In order to ensure product quality, improve productivity and reduce costs, machine tools are required not only to have good versatility and flexibility, but also to have a high degree of automation in the process of processing. cnc machining technology is a kind of high-efficiency and flexible automatic processing technology developed under this environment, which is controlled by digital information of NC machine tools. It is suitable for high-precision, complex parts and small and medium-sized batch production.

CNC machine tool is an efficient and flexible mechanical-electrical integration equipment which integrates computer technology, modern control technology, sensor detection technology, information processing technology, network communication technology, hydraulic pneumatic technology, optical and mechanical technology, and it is the basis of modern manufacturing technology.

1. Composition of NC Machine Tool and NC Machining Process

CNC machine tools refer to the machine tools that use digital information recorded in the media to control the machine tools through the CNC device, so that it can automatically implement the specified processing process.

1) Composition of CNC Machine Tools

NC machine tools automatically process workpieces according to pre-programmed processing procedures. CNC machine tools are usually composed of machine body, servo system, CNC device and control medium, as shown in Figure 2-61.

Figure 2-61 Composition of CNC Machine Tool

Control medium. Control medium, also known as information carrier, is an intermediate medium which conveys the operation intention of human to CNC machine tools. It contains all the information necessary to process a part. Commonly used control media are perforated tape, magnetic tape, disk and other carriers that can store instruction information. For the short NC processing program, the NC device can be input directly through the keyboard on the NC operation panel.

NC device. CNC device is the center of CNC machine tool. It receives the information from control medium, and converts it into pulse signal to control machine tool action.

Servo system. Servo system is a device which connects the moving parts of machine tool with CNC system, including servo drive mechanism and movable parts of machine tool. It is the executive part of CNC system of machine tool. It transforms the impulse signal from CNC device into the movement of machine tool parts, so that the worktable or tool holder can be positioned accurately or moved strictly according to the expected trajectory, and the parts meeting the requirements of the drawings can be machined.

Machine tool.  Machine tool is the mechanical part of NC machine tool. Besides the general parts such as main drive device, feed drive device, bed, worktable and auxiliary part, there are also special parts, such as tool storehouse, automatic tool changer and rotary worktable.

NC Machine Parts Processing Process

The NC machine tool parts processing process is that the operator first changes it into the content of manufacturing process according to the processing pattern. On the basis of familiarity with the processing technology, the processing program is compiled, and the human will is transformed into the acceptable information of CNC machine tools with the prescribed code and program format. Record information on control media (such as punched tape, tape or disk) to make it an instruction for controlling machine tools. After the input information is processed by the NC device, the command pulse is sent to the servo system of the coordinate axes of the machine tool to drive the corresponding moving parts of the machine tool, and other actions such as speed change, tool change and machine shutdown are controlled to automatically process the workpiece that meets the requirements of the drawings.

Classification of 2 NC Machine Tools

CNC machine tools can be classified according to process use, locus of motion, control mode and so on. This paper only introduces the classification according to process use. CNC machine tools are classified according to their processing characteristics or main processing procedures. They are mainly CNC lathes (including turning centers), CNC milling machines (including milling centers), CNC boring machines, CNC machining centers, CNC grinding machines (including grinding centers), CNC drilling machines (including drilling centers), CNC broaching machines, CNC planer, CNC cutting machine, CNC gear processing machine and CNC EDM machine (including EDM center, etc.). Figure 2-62 shows the appearance of CK50 NC lathe. Its processing range is the same as that of ordinary lathe. It mainly processes rotational parts such as shafts and discs. Figure 2-63 shows the appearance of XJK125 NC milling machine. It is especially suitable for the processing of complex parts. It can complete milling, drilling and boring.

Figure 2-62   CK50 CNC lathe appearance chart

Figure 2-63   XJK125 CNC Milling Machine Appearance Diagram

Machining center (MC) is a kind of NC machine tool for multi-process machining of workpiece. It has a tool library and an automatic tool changer (ATC). After the workpiece is clamped once, under the control of the NC system, the machining center can automatically select and change the cutting tools according to different processes; automatically change the spindle speed, feed rate and the movement track of the tool relative to the workpiece and other auxiliary functions; sequentially complete the multi-process processing on several surfaces of the workpiece. Therefore, it reduces the time of workpiece clamping, measuring and machine adjustment, shortens the time of workpiece storage and handling, improves productivity and machine tool utilization, and it is an important development direction of CNC machine tools. Figure 2-64 shows the layout of JCS-018 machining center. Its shape is similar to that of vertical milling machine. There is a sliding seat 2 on the bed 1, and it moves horizontally (y axis direction). Workbench 3 moves longitudinally on the slide seat (x-axis direction). There are frame pillars 5 at the back of the machine tool. The spindle box 9 makes vertical lifting motion (z axis direction) on the column guide rail. The left and right parts of the column are the NC device 6, the left front part is equipped with the tool storehouse 7 and the automatic tool changing manipulator 8, and the left lower part is equipped with the lubrication device 4. There are 16 cutters in the tool library, which can complete all kinds of hole processing and milling. There are 16 cutters in the tool library, which can complete all kinds of hole processing and milling. The NC operation panel 10 is suspended in front of the operator's right for easy operation. The working state of the machine tool is displayed on the panel. Machining centers are usually divided into horizontal, vertical and universal machining centers according to the spatial position of the spindle during processing.

Figure 2-64   JCS-018 Machining Center Layout

machine tool body; 2-slide seat; 3-worktable; 4-lubrication device; 5-pillar; 6-NC device; 7-tool library; 8-tool changing manipulator; 9-spindle box; 10-operation panel

3 Programming

The so-called programming means that the process, process parameters, tool movement and direction and other auxiliary actions (tool changing, cooling, clamping, etc.) of parts are compiled into tables according to the sequence of movement and the instruction code and program format given by the NC machine tools used. This form is called "parts processing program sheet", or simply "procedure sheet". Then, all the contents of the program sheet are recorded on the control medium (such as perforated tape, tape, etc.), and then transmitted to the NC device to direct the NC machine tool processing. The whole process from the analysis of part drawings to the production of control media for NC machine tools is called programming.

Generally speaking, the steps of NC programming are: process design→numerical calculation→preparation of parts processing program sheet→preparation of control medium or program input→program verification and trial cutting.

1) Process design

On the basis of comprehensive analysis of part drawings, the clamping and positioning method, processing route (such as tool setting point, tool changing point, feed route), tool and cutting parameters (such as feed speed, spindle speed, cutting width and cutting depth) are determined.

2) numerical calculation

According to the part drawing and the determined processing route, the tool trajectory is calculated.

The general NC device has the functions of linear interpolation and circular interpolation. For processing simple parts consisting of arcs and straight lines, only the coordinate values of the intersection or tangent points (base points) of adjacent geometric elements on the contour of the part are calculated, and the starting and ending points of the straight line, the starting and ending points of the arc and the coordinate values of the center of the circle can be obtained. When the shape of parts is complex and the interpolation function of NC devices is inconsistent, more complex calculations are needed.

3) Writing Procedure Sheet for Parts Processing

According to the calculated coordinates of tool path, the determined cutting parameters and auxiliary actions, and the instruction codes and program formats prescribed by the NC system, a part processing program sheet is compiled.

4) Preparing control medium or program input

After the program sheet has been written, the operator or programmer must input the processing information into the NC device. According to the different input and output devices of the NC system, the program can be moved to some control medium first. Commonly used control media are U disk, disk, tape and so on.

Program Checking and Trial Cutting

The program must be checked and tested before it can be used formally. The method of checking is to input the contents of the control medium directly into the NC device to check whether the tool's trajectory is correct or not. On the CNC machine tool with CRT graphics display screen, the program checking and trial cutting can be carried out by simulating the cutting process of the workpiece; otherwise, the pen can replace the knife and coordinate paper can replace the workpiece, so that the machine tool can run and draw the processing trajectory.

These methods can only check whether the tool's motion path is correct or not, and can not check the machining accuracy. Therefore, the trial cutting of parts should also be carried out. If it is found that the accuracy of the parts can not meet the requirements through trial cutting, the program sheet and the control medium should be modified, and the error compensation method should be adopted until the qualified parts are processed.

4. Characteristics and Application of CNC Machine Tools

1) Characteristics of CNC Machine Tools

(1) High processing accuracy and stable processing quality. Because of the high manufacturing accuracy of CNC machine tool and the automatic processing according to the scheduled program, the artificial operation error is avoided, the consistency of the same batch of parts is good, and the product quality is stable.

High productivity. Because many parts can be processed in one clamping process, many intermediate processes (such as marking) are omitted. Generally, only the first piece inspection is needed, which greatly shortens the production preparation time, so the productivity is high.

(3) The high degree of automation reduces the intensity of labor and improves the working conditions. Except for the manual clamping of the blank, the whole processing process is automatically completed by the machine tool, which reduces the labor intensity of the operator and improves the working conditions.

(4)It has strong adaptability and good economic benefit. When the processing object is changed, the NC program can be redesigned without redesigning tools, fixtures and moulds. This greatly shortens the product development cycle and provides a shortcut for the development of new products. At the same time, the processing accuracy is high, the quality is stable, the waste rate is reduced, the production cost is reduced, and the productivity is high, so good economic benefits can be obtained.

(5) It is conducive to the modernization of production management. By using NC machine tools, the processing time of parts can be accurately calculated, and the management of inspection, fixture and semi-finished products can be effectively simplified, which is conducive to the modernization of production management. Because of the use of digital information, it is easy to form an integrated computer aided design and manufacturing system.

However, the cost of CNC machine tools is high, the technology is complex and the maintenance is difficult, which requires higher quality of management and operators.

Application of NC Machine Tool

CNC machine tools are widely used, especially suitable for processing parts with the following characteristics: multi-variety, small batch production parts; parts with complex structure and high precision requirements; parts with frequent modifications. CNC machine tools can save a lot of tooling costs, reduce the overall cost. It is expensive, and it does not allow scrap of key parts; urgent parts with the shortest production cycle are needed.

HASCO is a leading European manufacturing company for moulding services and moulds, and is considered to be the standard maker for European moulds. The company recently developed a Quick-Change Mold System. This enables injection moulding manufacturers to quickly and effectively replace their moulds to reduce the time and cost of resetting their machines. Mould printed by Stratasys 3D Printer makes the whole process cheaper. It can make cnc prototype china samples faster and cheaper, or make small batch production with reasonable cost.

Duch Group provide customers with competitive solutions such as rapid prototype, mass production, small batch production, 3D printing, mold making, and injection molding. With more than 20 years of extensive production experience in the rapid prototype service china, it is the world's largest rapid prototyping service company.

申请文理学院

学生：Y同学

GPA：3.6+

SAT：1260

TOEFL：98

录取学校：联合学院（Union College）

联合学院

众所周知，本科 申请文理学院 奖学金的条件是十分苛刻的。如果不是托福105+，SAT1500+，奖学金想都不要想，更何况是全美排名36，联合学院（Union College）的奖学金?

联合学院是一所著名的私立文理学院，历史悠久，始建于1795年，是美国纽约政府第一家承认的学院。联合学院坐落于美国纽约州斯克内克塔，往东三小时到达波士顿，往南三小时到达纽约，靠近纽约市、蒙特利尔、波士顿等现代化大都市，这为毕业生就业提供了很大便利。学校的著名校友有第二十一任美国总统Chester A. Arthur、激光发明者Gordon Gould，到华纳兄弟娱乐公司CEO Alan Hom，众多校友在政治、科学技术、经济和文化领域都是行业的领军人物。

求真案例

求真教育的Y同学，除了拿到了竞争激烈、学术严谨、历史悠久的文理学院录取，还收获了东北大学（Northeastern University）、普渡大学（Purdue University, West Lafayette）的录取。这么多优秀的大学为什么要争抢一个GPA 3.6（英语成绩C）、托福98、SAT1260，没有任何成绩优势的国际生呢?

Y同学是一个非常内向不爱说话的孩子，求真教育的老师和他第一次电话沟通的时候，感觉他特别着急挂电话，只要老师不说话，他是绝不会主动去开启话题的。和这样的同学接触，老师首先要了解学生的基本情况，第一步就是让他写东西，把自己的基本情况、期望目标、过往经历都通过文字表达出来。第二步是聊天，虽然在书面反馈中只有三言两语的介绍，但是老师从中提取了很多重要信息，并通过和孩子以及妈妈分开沟通进行深入挖掘并做背景提升形成了最终的文书。

Y同学当时就读于一所国际高中，其中的学生来自不同的国家，于是求真教育的申请老师建议他在目前的国际学校建立一个文化社团 ，用自己的亲身经历去帮助身边的人更好的适应新的环境。后来因为时间关系和资金问题，这个社团最终没有开展起来，但是他并没有放弃，从身边的小范围入手，发现身边遇到困难的学生，举办一些文化介绍活动或者校园聚会帮助学生适应，孩子想去美国之后办理这样一个社团，帮助更多的学生。有时候做活动不一定要成功，主要是从这个活动中体现的学生的特质、想法，这才是最重要的。

求真寄语

每个学生都有自己的闪光点，作为顾问老师就是要帮助学生看到这个闪光点，并通过活动背景提升去放大这个优势，然后去展现给招生官看。在这个过程中，学生收获的不仅仅是offer，还有个人成长，Y同学在其中的收获和转变是令所有人欣慰的。求真教育在申请文理学院方面有着多年的经验和丰富的案例，能为学生的前途保驾护航。文章来源：https://indeededu.com

商业分析专业

商业分析专业是美国近年来大热的研究生申请方向，今天我们来看一个求真教育录取的真实案例。

L同学的母亲在孩子大一的时候就来求真教育咨询过出国留学的事宜，但是孩子这边的意愿一直不是很强烈，对继续读研究生的想法也没有很在意。在大二结束的时候，L同学的学校有一个美国加州州立大学交换两年的机会，抱着出国去见见世面的想法，她参加了这个交换项目。

在从美国交换了一学期后，L同学跟她母亲再一次联系了求真教育，确定要出国读研究生。她在美国交换期间，对于美国新颖的教育模式，有趣的课堂设计和更为开放的校园环境都产生了很大的热情，也因此在交换期间的成绩比在国内好很多，她个人也更适应这种教学方式。同时，她的母亲在亚马逊工作，受到母亲的影响，她对于电商和数据分析方面的工作非常感兴趣。

专业选择

在确定了出国的想法后，综合考虑了学生感兴趣的方向，求真教育的研究生申请老师建议她主要考虑商业分析专业，一来是因为专业对口，学习供应链管理的学生申请商业分析是没有问题的。二来是因为商业分析主要涉及三方面的内容，金融、统计、计算机，这三个方向L同学都非常感兴趣。此外商业分析专业作为一个新型专业，就业前景非常好，并且很多学校的商业分析是STEM专业，这一点也能够满足L同学毕业后留在美国找工作的想法。

考试准备

在确定好申请方向后，了解到L同学在美国会拿到本科学位，由此很多学校可以免掉托福。为了确保她能顺利考出GRE成绩，求真教育给L同学做了详细的时间规划，第一个任务就是在大三暑假前考出理想的GRE成绩。在此之前她已经考过两次GRE考试，但是成绩都不理想，刚刚到300分的样子。申请老师给她订的目标是第三次考到315，写作考到3分。如果有时间考第四次，再争取考到320。在第三次考完后，L同学的成绩也只有310分，写作只有2.5分。拿到成绩后，L同学非常气馁，一度想放弃考试。申请老师在和她再三强调了GRE考试的重要性，商业分析专业前100美国总共就有30多所学校开设，GRE写作基本都是卡3分，这个成绩可选的学校太少了，鼓励L同学再考一次。终于功夫不负有心人，L同学最后一次的成绩是318，并且写作考到了3分。

文书写作

在文书环节，每一篇essay文书老师都和学生反复沟通和修改，争取在有限的字数中尽可能地展现L同学的优势。在后续的面试中，求真教育的老师对学生进行了全面的面试指导，最终学生获得了加州大学欧文分校的青睐。

文章来源：https://indeededu.com

商业分析专业

商业分析专业是美国近年来大热的研究生申请方向，今天我们来看一个求真教育录取的真实案例。

L同学的母亲在孩子大一的时候就来求真教育咨询过出国留学的事宜，但是孩子这边的意愿一直不是很强烈，对继续读研究生的想法也没有很在意。在大二结束的时候，L同学的学校有一个美国加州州立大学交换两年的机会，抱着出国去见见世面的想法，她参加了这个交换项目。

在从美国交换了一学期后，L同学跟她母亲再一次联系了求真教育，确定要出国读研究生。她在美国交换期间，对于美国新颖的教育模式，有趣的课堂设计和更为开放的校园环境都产生了很大的热情，也因此在交换期间的成绩比在国内好很多，她个人也更适应这种教学方式。同时，她的母亲在亚马逊工作，受到母亲的影响，她对于电商和数据分析方面的工作非常感兴趣。

专业选择

在确定了出国的想法后，综合考虑了学生感兴趣的方向，求真教育的研究生申请老师建议她主要考虑商业分析专业，一来是因为专业对口，学习供应链管理的学生申请商业分析是没有问题的。二来是因为商业分析主要涉及三方面的内容，金融、统计、计算机，这三个方向L同学都非常感兴趣。此外商业分析专业作为一个新型专业，就业前景非常好，并且很多学校的商业分析是STEM专业，这一点也能够满足L同学毕业后留在美国找工作的想法。

考试准备

在确定好申请方向后，了解到L同学在美国会拿到本科学位，由此很多学校可以免掉托福。为了确保她能顺利考出GRE成绩，求真教育给L同学做了详细的时间规划，第一个任务就是在大三暑假前考出理想的GRE成绩。在此之前她已经考过两次GRE考试，但是成绩都不理想，刚刚到300分的样子。申请老师给她订的目标是第三次考到315，写作考到3分。如果有时间考第四次，再争取考到320。在第三次考完后，L同学的成绩也只有310分，写作只有2.5分。拿到成绩后，L同学非常气馁，一度想放弃考试。申请老师在和她再三强调了GRE考试的重要性，商业分析专业前100美国总共就有30多所学校开设，GRE写作基本都是卡3分，这个成绩可选的学校太少了，鼓励L同学再考一次。终于功夫不负有心人，L同学最后一次的成绩是318，并且写作考到了3分。

文书写作

在文书环节，每一篇essay文书老师都和学生反复沟通和修改，争取在有限的字数中尽可能地展现L同学的优势。在后续的面试中，求真教育的老师对学生进行了全面的面试指导，最终学生获得了加州大学欧文分校的青睐。

文章来源：https://indeededu.com

Generally speaking, traveling by the rail transit system is one of the most efficient ways to get around, especially in regions with high population density. This way, pedestrian turnstiles are needed to improve the passenger experience.

ZOJE Intelligent offers a wide variety of pedestrian turnstiles for train stations with specific requirements as customization is what we are good at.

Benefits of Using Train Turnstile

1. Control the flow of people during rush hours to prevent crowding or trampling.
2. Unregistered passengers will be kept from entering the restricted areas.
3. Turnstile gates will be more efficient than manual checking. Also, it'll be more reliable.
4. Public transportation stations are usually in service for 24/7. With train turnstilegates installed, a lot of labor costs would be saved as fewer ticket inspectors are needed.

Public Transportation Turnstile Solution

All Problems Solved

The railway, bus or metro station turnstile gates are always facing some problems, such as more frequent use, easy failure, slow running speed, etc, which greatly reduces the efficiency of the passage, causing great inconvenience to daily management and use. All these are not a problem for ZOJE.

For passengers with large luggage, baby carriages, wheelchair, etc, train turnstile and ticket turnstile with customized wider lanes could be provided.

Public Transportation Turnstile Solution

Features of ZOJE Train Turnstile Gates

1. Compatible with paper ticket, QR code, RFID card, face recognition and so on.
2. High-quality and stable brushless or servo motor for high frequent and long-term use.
3. PWD(Persons with Disability) lanes are available for the benefits and privileges of people with disabilities.
4. More pairs of infrared sensors are as optional choice for the sake of children and seniors' safety in case of any pinching injuries.
5. It will put an end to any kind of sneaking without tickets. One person, one ticket, with tailing alarm.

ZOJE will offer you the most qualified train station solution for your most benefits. Feel free to contact us for more.

Based in Shenzhen, the innovation center of China, Hong Kong ZOJE Intelligent Technology Co., Ltd was established in 2012. We are access control security turnstile gate suppliers, specializing in turnstile gates technology and security control systems ever since the very beginning.