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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

Common sense and precautions for car maintenance

①Air filter
The correct installation of the air filter can reduce the abrasion of parts such as the cylinder, piston and piston ring. Reminder: Generally, it is cleaned every 5000 kilometers, and the air filter must be replaced every 10000 kilometers.
②Oil filter
The correct installation of the oil filter can prevent impurities from mixing into the oil during the use of the internal combustion engine, and prevent the wear of moving parts and blockage of the oil circuit. Remind you: the oil filter must be replaced when changing the lubricating oil, otherwise the quality of the lubricating oil will be affected. The oil and oil filter replacement cycle is generally 5000 kilometers.
③Fuel filter
The correct installation of the fuel filter can prevent cylinder wear caused by impurities and moisture mixed in during gasoline storage, transportation and filling. Remind you: In order to ensure that the engine is running well, the replacement cycle of the fuel filter is generally 20,000 kilometers or 1 year. Special suggestion: “Three filters” must be maintained by professional maintenance personnel.
Motor oil tips:
The common engine oil grades on the market are SJ, SL, SM. Among them, SM is the highest grade of lubricating oil in gasoline engines. The technology used is the most advanced and the lubrication quality is the highest. The smaller the number before the viscosity label W, the better the fluidity of the oil. The larger the number after W, the better the protection performance at high temperature.

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