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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

Brings a negative impact on the city’s auto parts market and business reputation

 

The scale and scope of operations are still gradually expanding. The auto parts branch of the Federation of Industry and Commerce only had funds of 150,000 yuan when it opened in 1981. After several years of development, it has nearly 20 employees, with funds of 6.4 million yuan and monthly sales of 2.35 million yuan. There was only one sales department in the city’s auto parts factory in 1980, and it has now grown to five. The development of social outlets has promoted the expansion of the circulation scale of auto parts, has made it convenient for users and supplemented the needs of the market. However, there are also some problems in the operation of some social outlets. The outstanding problem is price confusion. It is mainly manifested in illegally raising prices, hoarding, messing around, selling defective products, arranging shortages of state-owned stores, reselling them at higher prices, and profiting from them, which has a negative impact on the city’s auto parts market and business reputation. It is precisely because of the necessity of the existence of social outlets, the destructiveness caused by the negative factors that it may produce, as well as the elimination of negative effects and the full display of positive effects. Don’t be wrong, no matter what. Therefore, there is a problem of how to guide and manage, which is a new and important subject that needs to be solved urgently.

The state’s management and leadership of the auto parts market must go through certain institutions, channels and forms. The current management of social networks is mainly carried out by the administrative department for industry and commerce, but its focus is on market management. State-owned commerce is the main part of the various economic components of the market. To invigorate the market, it must give full play to the leading role of state-owned commerce. The main thing is to resolutely implement the policy of focusing on planned economy and supplementing market regulation, and further improve the connection between production and sales. In order to adapt to the gradual expansion of the guiding planning system in the field of the circulation of production materials, to better play the role of market regulation of the planned commodity economy, to reform the organizational structure and operating methods of the automobile industry sales service, to implement a state-owned commerce-led, multiple economic components, A commodity management system with multiple business methods and multiple circulation channels. Establish an auto parts trade center, carry out wholesale business to social outlets, and lead and manage social outlets with multiple economic components through the trade center. The business mode of the trade center can be self-operation or joint operation. The industry and commerce administrative department, price department and professional companies should cooperate closely to establish a full-time management agency for the auto parts supply market, which is responsible for supervision and management, so as to ensure the rationality and scientificity of the auto parts 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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