The rise of Chinese civil drones has allowed it to be used in aerial photography, agriculture, plant protection, mini selfies, express delivery, disaster relief, wildlife observation, surveillance of infectious diseases, surveying and mapping, news reports, power inspection, disaster relief, film and television shooting, romance making, etc. The wide application in many fields has greatly expanded the use of drones themselves. Developed countries are also actively expanding industry applications and developing UAV technology. In September 2018, the 62nd meeting of the Harmonized System Committee (HSC) of the World Customs Organization decided to classify drones as "flying cameras." Drones are classified as "flying cameras" and can be supervised as "cameras". Countries generally do not have special trade control requirements for cameras, which is very conducive to China's high-tech superior products entering the foreign civilian market.
The development of science and technology has made the manufacturing process from cumbersome to simple, bringing convenience to enterprises and reducing production costs. Shenzhen Flextronics has adopted the AL-3301ABY two-component dispenser of Alessis, which is mainly used for the adhesive dispensing of the plastic parts of the UAV feet. This process is used to replace the original cumbersome screw fixing process to complete Upgrade of the manufacturing process. The engineers found the following points in the debugging of the drone footing that are worth everyone's attention, and sorted and shared with everyone.
1. Points to note about switching valve.
The on-off valve is a small white fitting, which contains a small push pin that can move. The small push pin should be kept horizontal during installation, and its movable stroke is about 3mm. The maximum stroke of the small push pin is 3mm, and it just hits the needle step. If the stroke is too large or too small, it will affect the amount of glue. Only by adjusting it in place can the consistency of the amount of glue be guaranteed.
2. Selection of mixing tube.
There are many types of mixing tubes on the market, how to choose?
Because the power of pushing the glue is propelled by the motor, it is necessary to use a good quality mixing tube. The periphery of the mixing tube has a cylindrical shape and a square shape. When the square shape bursts during the test, the cylinder has good pressure resistance. So the question is, is it better to be longer or shorter? When AB glue is mixed, the glue needs to be mixed evenly to ensure the viscosity of the glue, so the longer the mixing tube length, the better the mixing effect, the better the glue mixing, and the bubble problem will be solved naturally.
3. Why does the touch screen on the side have a start and stop function?
When the screen on the left shows "Start", the screen is enabled and you can perform related operations; when the screen shows "Stop" as shown on the right, the screen is locked and Other functions on the touch screen cannot be used. The touch screen on the side of the design is mainly used to control the plastic booster motor, but if you accidentally touch the "origin" function during the production process, everything will be abandoned. In order to avoid this situation, the "start" and "start" are specially designed. Stop "function.
4. How to make good use of the suction function and how to change the glue?
The mixing tube and the hose are kept under pressure when the motor push rod continuously pushes the glue, and it is easy to cause the mixing tube and the hose to burst when the force is applied for a long time. When the suck-back function is added, this problem can be effectively prevented. That is, after continuously pushing the glue, the motor is given a reverse rotation instruction so that the pressure of the hose and the mixing tube is not too large. When the valve opening time and the valve closing time are relatively The suction distance should be increased accordingly to ensure that the mixing tube and hose do not burst.
In addition, how to choose the speed of the motor when the glue is used up to change the glue?
When the distance between the motor push rod and the piston at the rear of the hose is far, the speed can be larger between 100-200; the smaller the distance, the slower the speed, to avoid bursting, the speed of automatic operation should be set to 1-2.
5. How to ensure the consistency of dispensing when programming?
During programming, they are aligned point by point, and the height of the Z axis is inconsistent. During the subsequent debugging, the uniformity of the height is not easy to adjust, so you can place the needles just on the surface of the product during programming. Increase the height so that the height of the dispensing from the product is the same.
The equipment must be adjusted carefully. Only when the details are done to the extreme can the equipment run better, ensure the quality of the product, and maximize the benefits of the customer's production output. Shenzhen Ales Technology Co., Ltd. has experienced ten years of ups and downs in the field of dispensers, and has a senior R & D design team and a professional after-sales service team. The main products are: automatic dispensers, precision dispensers, high-speed dispensers and semi-automatic dispensers, which are widely used in high-tech LED, MEMS, electroacoustic, PCBA, UAV and other industries .
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