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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...

Carry out the localization of imported auto parts

Imported auto parts have a large number of models, varieties, and high requirements. In the early stage of production, the investment in mechanical equipment, tool clamps, etc. is relatively large, and the requirements for raw materials are also relatively high. Therefore, the production cost is relatively higher than that of domestically-made auto parts, and in addition to the small batch size, the efficiency of its output is low. In terms of sales price, compared with imported originals, domestically produced parts are only about 30-50% of imported originals, and the profit of production enterprises is relatively thin. In order to smoothly carry out the localization of imported auto parts, the state should treat the designated units of the industry management department as export-earning enterprises, and implement preferential policies: first, it is necessary to supply high-quality and affordable raw materials to relieve production enterprises from looking for rice. For the future, relatively lower production costs will make production companies profitable. The second is to supply cheap coal and electricity to meet the supply of energy, especially the supply of electricity, so that production companies can avoid the suffering of lack of coal and electricity. The third is taxation. Implement tax reduction measures to encourage enterprises to produce imported auto parts made in China. Fourth, priority should be given to loans for working capital. Enterprises must be competitive. Due to the large variety of imported auto parts, small batches, and low output value, large and medium-sized production companies are not eye-catching, and small companies lack technology, equipment, and capital, and they want to do it but can’t do anything.

At present, most of the domestically produced imported auto parts are produced by small enterprises and township enterprises. This is because the quality of imported auto domestically produced parts is low, the production of long-term products exceeds sales, the short-term products are in short supply, and the key products with high technical content are not produced. The main reason. Therefore, it is hoped that large and medium-sized production enterprises will take the lead in thinking first, give full play to the role of backbone enterprises as the main force of the national industry, have the courage to shoulder heavy burdens for the localization of imported auto parts, and give full play to the advantages of mechanical equipment and technical strength; give full play to the imported technology And the role of a device to speed up the pace of absorption and digestion; to be far-sighted, do not fight for the gains and losses of the moment.

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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