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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

How to purchase auto parts companies

 

Purchases include original factory orders, planned purchases in the near future, and temporary purchases. The original auto manufacturers’ orders for auto parts marketing companies with a certain scale use this as the main source of purchases. The quality and price of the products in this channel are reliable, and they can basically guarantee on-time delivery, but the cycle is relatively long (for example, several months), so it must be carried out according to the plan: generally choose the accessories with relatively stable sales to order.

Recent purchases: According to market changes or exchange rate changes, etc., we will seek to purchase from the domestic market for the currently tighter types of accessories (such as the engine block components of a certain model) or several types of accessories that will be out of stock. Temporary purchase: According to the ideals of the business, the more complete the types of dealers in this company, the better, and the more comprehensive the more proactive in market competition: but the auto parts marketing industry accounts for more funds, and limited by funds, “full” can only be relative. Therefore, temporary purchases have become a necessary means. For example, a customer wants to purchase ten kinds of accessories, but the company only has seven kinds in stock, and the three out of stock need to be purchased temporarily.

There are two situations for temporary purchases: one is the temporary purchase entrusted by the customer; the other is the concealed emergency temporary purchase that uses commercial techniques without explaining to the customer, commonly known as “splicing”. In the early stages of the development of the auto parts market, “split joints” were very common and still exist today. “Seamless” not only reflects the side of competition between businesses, but also reflects the side of their complementary sources. Therefore, there is a rationality for its existence. At present, for businesses with a certain scale, seaming does not generally mean “killing customers.” The reason is that the main purpose of merchants is to eliminate their own inventory, and secondly, to maintain the image of the company as “large and complete”.

Sales on credit: All goods that have been taken away but not received are sold on credit. For some reputable customers, it is settled every time they sell, but the amount of purchases is settled regularly to a certain extent and then settled on credit accounts can be described as a preferential means, and it is a complementary form for merchants.

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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