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What errors may occur during CNC machining and CNC machining​?

 CNC machining and numerical control machining are a method to control the movement of machine tools and the production process of machining through computer digitization and information digitization. It is an intelligent numerical control device developed as an economical, high-speed, reliable, multi-functional, intelligent, and open structure. CNC machining is also an important indicator that can measure the continuous level and comprehensive ability of a safety technology, as well as the degree of modernization of related science and technology capabilities, especially in aviation, biology, medical and other high-tech cultural industries, and it is also a powerful indicator. reflect. So, what errors may occur during CNC machining and CNC machining? Let us understand together:   The use of approximate machining motion or approximate tool contours causes errors in the CNC principle of machining. The reason why it is called machining principle error is because of the error in machining


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What are the rules for metal stamping die scrap tube?

The Purpose Standardize the management of the scrapping of the company's metal stamping dies, prevent the loss of company assets, and formulate this system specially. Scope of application It is suitable for the management of the company's scrap molds. Definition If the molds listed in the assets of the company fall under one of the following circumstances, the use management department may apply for scrapping. 1. Molds that exceed the specified service life. 2. The mold is severely damaged by accidents or accidents, and molds that cannot be repaired or have no repair value. 3. Metal stamping dies that have not reached the service life, but due to safety, quality, efficiency and other issues, the repair still fails to meet the minimum requirements of the customer's product process or affects the production safety and efficiency. 4. Product customers have stopped placing orders or have not placed orders for molds in several years. 4. Responsibilities 1. Responsibilities of th

Introduction to the reasons and solutions for the lack of sealing of car windows

  After the window glass is damaged, use glass with the same curvature as the original window glass, and check the glass guide groove and sealing strip for damage.Since car windows often fail to return to their original shape after being repaired, in addition to ensuring that the car window glass can be easily pulled or raised and lowered at this time, attention should also be paid to the sealing around the car window glass after the car window is closed.


When changing the roof, apply a layer of conductive sealant on the periphery of the roof. After the welding is completed, apply hemming glue all over the water trough and at the joints. This will not only help seal the body, but also It can also prevent the body from water accumulating at the weld seam due to flanging

and produce early rust. When assembling the door, paste a whole sealing isolation film on the inner panel of the door below the window. If there is no formed sealing isolation film, it can be replaced by ordinary plastic paper, and then the sealing isolation film is pasted and compacted. Production and assembly of interior trim panels.

When repairing a car door with a sealing flange, attention should be paid to repairing the damaged sealing flange and accurately restoring the shape of the original flange.After repairing the car door, check the leak tightness. The check method is: put a piece of hard paper on the sealing position, close the door, and then pull the paper to judge whether the seal is good or not according to the pulling force.If the force required to pull the paper sheet is too large, it means that the seal is too tight, which will affect the normal closing of the door, and will also cause the seal to lose its sealing performance quickly due to excessive deformation; if the force required to pull the paper sheet If it is too small, it means that the seal is not good, and the door will often block the wind but not the rain.When replacing the door, be sure to apply hemming glue on the flanging occlusion of the inner and outer panels of the new door, and block some small craft holes left during punching with the base tape.

When repairing the car circuit, the sealing rings of all the body holes and holes through the wiring harness should be installed in place, because these sealing rings not only play a sealing role, but also play a role in protecting the wiring harness.If the sealing ring is damaged or the wiring harness can rotate or move in the sealing ring, replace the sealing ring and assemble it firmly with the holes and holes of the vehicle body to stabilize the wiring harness.

When replacing the entire car body, in addition to completing the above items, a layer of sealant should be applied to the overlapped part and solder joints of the weld. The thickness of the adhesive layer should be about 1mm, and the adhesive layer must not have any virtual stickiness. , Bubbles and other defects; apply special edge-folding glue at the edge; apply 3mm-4mm elastic coating and anti-corrosion coating on the entire lower surface of the floor and the lower surface of the front wheel cover; on the upper surface of the floor and the front stand The inner surface of the board should be pasted with sound insulation, heat insulation, vibration reduction and damping film, and then covered with heat insulation felt, and then covered with carpet or decorated floor.These measures can not only greatly enhance the airtightness of the vehicle and slow down the corrosion rate of the car body, but also greatly improve the ride comfort.

The automotive parts and parts machining, PTJ Shop offers the highest degree of OEM service with a basis of 10+ years experience serving the automotive industry. Our automotive precision shop and experts deliver confidence. We have perfected the art of producing large component volumes with complete JIT reliability, backed by the quality and long-term reliability our customers expect.

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