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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

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

Elimination of Gear Backlash in CNC Machining Feed System

Elimination of Gear Backlash in CNC Machining Feed System   The transmission gear in the feed system of the CNC machining machine tool must eliminate the transmission gap between the meshing gears as much as possible, otherwise the motion will lag behind the command signal after each reversal of the feed system, which will affect the machining accuracy (accuracy) ). There are the following two common methods for CNC machining machine tools to eliminate the transmission gear gap.   1. Rigidity adjustment method   The rigid adjustment method is an adjustment method that cannot be automatically compensated for the tooth side clearance after adjustment. Therefore, the pitch tolerance and tooth thickness of the gear must be strictly controlled, otherwise the flexibility of the transmission will be affected. This adjustment method has a relatively simple structure and a better transmission rigidity.   (1) Eccentric shaft adjustment method   As shown in Figure 610, the gear 1 is mounted on th

To further standardize and improve the production and supply of automotive lubricants in China

 

In every historical development stage of China’s automobile industry, Lanzhou Refining and Chemical Company Feitian Lubricant has given reliable guarantees. Up to now, China FAW Group Corporation has confirmed n types of “Feitian” lubricants as its supporting products; Dongfeng Motor Corporation has confirmed 7 types of “Feitian” lubricants for its factory loading oil and social service station oil; Many automobile production plants including Yuejin Group, China National Heavy Duty Truck, Chongqing Changan and Changhe have selected Feitian lubricants.

With the intensification of competition in the automobile market and the opening of the lubricant market, automobile manufacturers have decomposed the pressure to reduce costs to parts manufacturers, including the purchase of automobile lubricants, which invisibly buried the quality assurance of certain products. Potential crisis. Here are some misunderstandings in the selection of automotive lubricants and hope to be taken seriously. Brand-name cars cannot afford to use genuine lubricants, so they have to turn to local small blending plants to purchase. What must be emphasized here is that a few simple inspection qualification indicators cannot represent the intrinsic quality of the product. There are many examples like this. With China’s accession to the WTO, China National Petroleum Corporation established the China National Petroleum Corporation Lubricant Company to meet the challenge of major foreign lubricant companies to seize the Chinese lubricant market. The lubricant production and operation strategy of "Five Unifications, One Concentration" of the lubricant company’s "unified allocation of resources, unified product standards, unified network layout, unified price management, unified organization of scientific research, and concentration of power to highlight famous brands" will have a significant impact on the Chinese lubricant market. Play a strong role in promoting, which will undoubtedly further standardize and improve the production and supply of China’s automotive lubricants, so as to meet the requirements of the development of China’s automotive industry for lubricants.

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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