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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

Introduction of KOVAR parts

KOVAR parts are commonly used as metal casing materials in the electronic packaging industry. Because they have a linear expansion coefficient close to that of molybdenum group glass, and can produce less sealing stress during the sealing (melting) process with molybdenum group glass, so To obtain good air-tightness, in order to make the metal tube and shell to achieve air-tight sealing, in the entire sealing process, the annealing process undoubtedly plays an important role as a link between the previous and the next. The internal stress generated during KOVAR  machining also prepares the material structure for the implementation of the subsequent process-the sealing process of the metal parts. The main purpose of annealing Kovar shell before sealing is to: (1) Eliminate machining stress. When Kovar undergoes plastic machining deformation during cold working, about 10% to 15% of the applied energy is converted into internal energy, which is commonly referred to as internal stress,

Improve auto parts sales economy

The auto parts market is generally affected by the big market, and demand has been flat after the second half of last year. However, the auto parts market is growing in demand with the increase in car ownership, which is everyone’s consensus. The national auto parts industry target has been set, measures are gradually introduced, supporting policies are gradually implemented, and the auto parts distribution system is further deepening reforms, and the agency system is in the ascendant, which provides a good economic environment for the development of the auto parts market. According to low standards, the total national demand for repair parts is 50 billion yuan, the six provinces and one city in East China are 14 billion yuan, the provinces and cities where the 10 provinces and cities are located are 19 billion yuan, and the user demand in Shanghai is 1.5 billion yuan. Based on the above analysis of the situation, the seminar believes that the first half of 1996 was a turning point for the start of the market, and the sales of automobiles and accessories in the first quarter became more difficult. We cannot sit back and watch the loosening of the macro economy, let alone miss the opportunities that appeared in the business activities at the beginning of the year. We should be full of confidence, muster the courage, face the reality, make the best use of the situation, grasp the business as soon as possible, and seize the fleeting signs of rebound in sales. , Put up the sales of cars and accessories.

In terms of vehicle sales, it is necessary to maintain and develop the original resource channels, consolidate and straighten out the integration of industry and trade, special dealership and agency business; and organize the resources of marketable vehicles and agricultural vehicles according to market demand, and make advances based on the needs of the market. , Strengthen research and after-sales technology, maintenance, and supply services. Adopt various preferential and flexible methods to expand sales, and at the same time open up the old car sales market, take the operation of old cars as a new economic growth point, and prevent assembled cars, eliminated cars, and inferior cars from entering the market. For high-quality products, implement unified distribution, share agency, increase batches, and increase grades, strive for the largest discounts from the factory, and strive for economies of scale. Be flexible and adaptable in terms of methods. Whether wholesale or retail, we must strive for market share with brand-name varieties, high quality, preferential prices, and high-quality services. For 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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