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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

The contradiction between supply and demand of imported auto repair parts is further increasing

From a macro point of view, the market capacity of imported auto repair parts is very large, and the contradiction between supply and demand cannot be changed within a few years. This provides good conditions for accessory manufacturers, as long as the opportunity is well grasped, they will definitely make a difference. In terms of variety, specifications, and output, it is necessary to meet the requirements of imported models for small batches and multiple specifications of repair parts; in terms of product quality, it must meet the multi-level needs of the repair market, and the quality may not all require first-class quality. Most of our parts factories now sell small assembly parts to the market, which is especially important for imported car repair parts. Although maintenance parts have also increased correspondingly, as long as the relevant links are well coordinated, it will generally not affect the function of imported cars.

The import volume of parts needed for the maintenance of imported models should be at least doubled. This is impossible under the current situation of tight foreign exchange. This situation forces us to replace imports with domestic parts, and new difficulties will inevitably arise by adjusting foreign exchange imports: Prices have risen, due to the adjustment of foreign exchange rate fluctuations, the tight renminbi loans, the increase in interest rates, and the increase in tariffs and other factors, the price of imported auto parts will continue to rise. The second is the difficulty of supply. Due to foreign exchange restrictions, the batch of imported parts will be reduced accordingly, and the requirements for varieties and specifications will be more comprehensive. This will bring great difficulties to importers, and also to customs, commodity inspection, and foreign transportation. Bringing new troubles, so the supply rate will drop. Third, the supply cycle will be further extended. The emergence of new difficult situations will further aggravate the contradiction between the supply and demand of imported auto repair parts. It should also be considered that most of the imported auto parts have reached the repair cycle since the 1980s, and the demand for parts will also be Reach the peak. These will increase the pressure on the market.

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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