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Working principle of slow wire processing

 Slow wire walking, also called low-speed wire walking, is a kind of CNC machining machine tool that uses continuously moving fine metal wire as an electrode to pulse spark discharge on the workpiece to generate a high temperature of over 6000 degrees, ablate metal and cut into a workpiece. The principle of wire processing is the phenomenon that there is a gap between the wire electrode and the workpiece, and the metal is removed by continuous discharge. Since the slow-moving wire cutting machine adopts the method of wire electrode continuous feeding, that is, the wire electrode is processed during the movement, so even if the wire electrode is worn out, it can be continuously supplemented, so it can improve the machining accuracy of the parts and slow the wire. The surface roughness of the workpiece processed by the cutting machine can usually reach Ra=0.8μm and above, and the roundness error, linear error and dimensional error of the slow-moving wire cutting machine are much better t

Classification of CNC Machining Occupation Levels

1. Blue-collar layer:   That is, CNC machining operation technicians, proficient in machining and CNC machining process knowledge, proficient in the operation and manual programming of CNC machine tools (attributes: automated machine tools), understand automatic programming and simple maintenance of CNC machine tools (attributes: automated machine tools), such There is a large market demand for personnel, and they are suitable for operating workers of CNC machine tools (attributes: automated machine tools) in the workshop, but due to their single knowledge, their wages will not be much higher.   2. Gray collar layer:   One, CNC machining programmer:   Master the knowledge of 5 Axis CNC machining Aluminum   technology and the operation of CNC machine tools (attributes: automated machine tools), be familiar with the design and manufacturing expertise of complex molds (title: mother of industry), and be proficient in 3D CAD/CAM software, such as UG, GOOGLE PRO/E, etc. ; Familiar with CNC

Hydrostatic guideway of CNC machining lathe

The static pressure slide rail (TTW guide) of the CNC machining lathe transfers the oil with a certain pressure through the throttle to the oil cavity between the sliding surfaces of the slide rail (TTW guide) to form a pressure oil film to float the moving parts , Make the sliding rail (TTW guide) surface in a pure liquid friction state.   CNC machining General CNC machining usually refers to computer digital control precision machining, CNC machining lathe, CNC machining milling machine, CNC machining c17200   beryllium   copper   and milling machine, etc. The feed route of finishing is basically carried out along the part contour sequence. Therefore, the focus of determining the feed route is to determine the feed route of rough machining and idle stroke. In the numerical control processing, the control system issues instructions to make the tool perform various motions that meet the requirements, and the shape and size of the workpiece are expressed in the form of numbers and lette

Car tire maintenance should pay attention to inspection

  The rate of punctured tires in various traffic accidents is really high, and aging tires must be inspected and replaced in time.

The main material of tires is rubber, and rubber products have a certain service life. Therefore, in order to avoid accidents caused by tire aging, it is recommended that car owners still need to check the tires of their cars frequently and be clear about the production date of the tires. I have a bottom in my heart.At the same time, it is necessary to check the wheel alignment in time to find out the cause of irregular tire wear.

Tires should be checked frequently, especially if the road conditions of the car owners are relatively bad for a long time. This work is very important and cannot be ignored. After all, poor driving conditions have a serious impact on the life of the tires.When you find that the tire is gradually hardening, aging, cracking, etc., you should change the tire without hesitation, especially if there are protrusions like bubbles, it means that the structural layer at that place has broken and cannot withstand the tire pressure. With blistering, a puncture may occur at any time.

In addition to puncture accidents caused by tire aging, incorrect tire pressure is also an important cause of puncture.Therefore, car owners should also develop a good habit of checking the tire pressure on their own. In addition, it is recommended that car owners equip themselves with a simple tire pressure gauge, and check the tire pressure of 1 tires every 4 month, so that the owner can have a good idea in his heart. .The attention and maintenance of the spare tire is also very important, otherwise it will not be able to cope with emergencies.

 

Many people think that turbocharged engines are more delicate and require high-grade gasoline. In fact, this is unnecessary. It is clearly stated in the manual that turbocharged models can be added with No. 93 (Beijing standard No. 92) gasoline. What is the use? Standard gasoline is determined according to the compression ratio of the engine, and has nothing to do with whether turbocharging technology is used.

Error three. It is forbidden to turn off the engine immediately after parking

This is an early situation. In the early days, a mechanical water pump was used to cool down. After the flame was turned off, the mechanical water pump could not effectively cool the turbine. Now this problem is solved. The electronic water pump is used, and the cooling function still works after the flame is turned off. In addition, with technology Increase, the turbine temperature will not reach very high on the road, and there is no need to delay the flameout, except for running at high speed for a long time.

Error four. It takes a long time to warm up in winter

Many people think that turbochargers are cooled by oil. In winter, the oil temperature is low and the car cannot be lubricated. It is completely wrong to heat the car for a long time to increase the oil temperature. Maintenance is not good, and exhaust gas is added. It only takes about 2 minutes to warm up the car. When the speed reaches 1000, drive at a slow speed. When the water temperature and oil temperature reach normal, you can drive all the way.

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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