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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

Is it necessary for tire disassembly for four-wheel alignment and dynamic balance?

At present, many shops that do car maintenance and tire repair and replacement are saying that as long as they come to our shop to replace car tires, we will do four-wheel alignment and balance for everyone for free in order to attract customers. This is a typical highlight, but as a car owner, we will not consider the benefits of these recommended by the shopkeepers, nor have we thought about the necessity of doing these.
I will sort out whether it is necessary to do four-wheel alignment and dynamic balance when changing car tires.
In fact, no matter whether we change new tires or not, as long as we disassemble and assemble car tires, we need to make a dynamic balance. Because when the tire is reinstalled on the wheel hub, the average force is generally not 100%. If we don’t do a dynamic balance, it is likely that as the time we drive the car increases, the tires will wear out and even damage the car parts of the tires. Therefore, we only need to balance the disassembled car tires as much as possible. Because in this way, we can reduce the abnormal wear of car tires, thereby increasing the life of car tires.
If we change the new tires, it is recommended to do a four-wheel alignment. Although four-wheel alignment is not necessary, if the tire pattern of the front wheel of our car wears unevenly, it is necessary to do four-wheel alignment. If the wear is uniform and the car does not run off the track, the four-wheel alignment can be left out. If it is uniform wear, the tire is in a normal and very good position. In fact, the four-wheel alignment is mainly to make our car go in a straight line and to make our tires wear evenly. Therefore, if the tires wear evenly, there is no need to do four-wheel alignment.

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