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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

How Do Cnc Swiss Machines Work

How Do Cnc Swiss Machines Work Save 0 What Is Swiss Machine –The full name of the walking CNC lathe, it can also be called the spindle box mobile CNC automatic lathe, the economical turning and milling compound machine tool or the slitting lathe. It belongs to precision machining equipment, which can complete compound  machining such as turning, milling, drilling, boring, tapping, and engraving at one time. It is mainly used for batch  machining of precision hardware and special-shaped shafts. This machine tool first originated in Germany and Switzerland. In the early stage, it was mainly used for precision machining of military equipment. With the continuous development and expansion of industrialization, due to the urgent needs of the market, it was gradually applied to the  machining of civilian products; the development of similar machine tools in Japan and South Korea Earlier than China, it was mainly used in the military industry in the early days. After the war, it was gradually

Spring Design Attention And Roll Forming Method

Spring Design Attention And Roll Forming Method The coiling characteristics and methods of springs are divided into cold coiling method and hot coiling method. Cold winding method: When the diameter of the spring wire is less than 8mm, the cold winding method is adopted. High-quality carbon spring steel wire is usually first cold drawn and then heat treated. After winding, it is generally not quenched, but only tempered at low temperature to eliminate the internal stress during winding. Hot-rolling method: Springs with larger diameter (>8mm) spring wire should use hot-rolling method. Hot rolled springs must be quenched and tempered at medium temperature. The Design Process Of Various Springs ·          Installation space: When designing a  compression spring , it is necessary to have a clear understanding of the space required for the installation of the spring, in order to effectively grasp the basic manufacturing conditions of the compression spring, including the outer diam

The impact of exchange rates on auto parts

One type is accounting foreign exchange, which is mainly for the barter trade between the governments of the Soviet Union and Eastern Europe. There are also some barter agreements between the foreign trade department of the representative country and certain manufacturers in Western countries, such as imports in the 1960s and 1970s. Italy Fiat 650E, Algeria, Morocco re-exported Pele series cars, etc. Since the 1970s, barter trade with Eastern European countries has used the Swiss franc, the legal currency of a neutral country, Switzerland, as the currency unit for both parties. Government trade delegations conduct annual trade negotiations to determine the total amount of bilateral trade and balance the supply and demand orders. After signing the agreement, each will organize production and delivery as planned.

As far as automobiles and auto parts are concerned, within the scope of the exchange amount negotiated by the two governments, the Ministry of Materials will allocate the indicators and review the goods orders, and the China National Machinery Import and Export Corporation will be responsible for foreign trade matters. This part of the order has a certain amount of subsidies in the exchange rate, and it is not settled completely at the exchange rate of the listed price. Customs tariffs also have exchange rate subsidies, so they are relatively more favorable than auto parts imported from free foreign exchange. After the adjustment of the RMB exchange rate, the state’s subsidies may be cancelled. The exchange rate subsidies for customs tariffs are also reduced according to the current exchange rate. Therefore, it is expected that the newly settled Eastern European imported auto parts prices will increase significantly. The influence of domestic car users is great. It is foreseeable that the demand for imported repair parts will be suppressed, and more users will turn to domestically-made replacement parts. Of course, this will promote the development of domestically-made parts. Relevant departments should take advantage of the situation and promote the planned launch of national replacement products. . 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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