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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 bett...

What are the rules for metal stamping die scrap tube?

The Purpose Standardize the management of the scrapping of the company's metal stamping dies, prevent the loss of company assets, and formulate this system specially. Scope of application It is suitable for the management of the company's scrap molds. Definition If the molds listed in the assets of the company fall under one of the following circumstances, the use management department may apply for scrapping. 1. Molds that exceed the specified service life. 2. The mold is severely damaged by accidents or accidents, and molds that cannot be repaired or have no repair value. 3. Metal stamping dies that have not reached the service life, but due to safety, quality, efficiency and other issues, the repair still fails to meet the minimum requirements of the customer's product process or affects the production safety and efficiency. 4. Product customers have stopped placing orders or have not placed orders for molds in several years. 4. Responsibilities 1. Responsibilities of th...

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 stre...

Talking about the formation of auto parts trading market

 

Due to the different administrative affiliations and the coexistence of multiple economic components, there has been a state of excessive, chaotic, and chaotic business outlets in the field of auto parts circulation, which is not conducive to the formation of a professional auto parts trading market, and it cannot adapt to the transportation industry. And the development of the automobile industry. There are too many outlets and competition is desperate. In the field of auto parts circulation where supply and demand are stable, hundreds of business units have soared in a short period of time, and they have been rushed in, eager for profit, lack of management and professional ethics, and abnormal fierce competition will inevitably appear. For example: use “rebates” and “profits” as bait to attract users and expand sales. Irregular competition has seriously damaged the business climate of the industry, and business behaviors such as selling fake products and increasing the rate of difference between purchases and sales without authorization have occurred from time to time.

Excessive business outlets, social inventory of goods is unpredictable. These huge amounts of funds are used for material turnover and inventory, which is not conducive to the development of the automobile industry and has caused a certain degree of blindness. Counterfeit famous brands are sold everywhere, and illegal operations cannot be managed. The phenomenon of counterfeiting of Shanghai’s famous brand products is becoming more and more serious. Violation of the price policy is another important aspect that causes chaos in the auto parts market. The main manifestations are: unauthorized increase in the rate of difference between purchases and sales, and reselling at increased prices. The normal operation of some outlets has been fostered, and the company’s main channel sales market share and market coverage have been increased. Promote the formation of a hierarchical network of auto repair parts market. Strengthen the regulation and management of the auto parts market. After the service company has obtained the administrative power granted by the government department, it adopts the method of management and service to go hand in hand. It not only relies on administrative means, but also sincerely guides the social network on the price and economically supports it. In the past two years, we have done a variety of work and have received certain social effects.

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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