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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 progress of automobile manufacturing technology and the stricter environmental protection indicators

The technicality, complexity and particularity of lubricating oil products fully reflect the necessity of lubricating oil technical service work, which is embodied in the following aspects: Lubricating oil is a product with high technical content, and its product development and application research involve petrochemicals and machinery. Professional and other multi-disciplinary fields, cross-professional, cross-industry proficiency in lubricant expertise is not easy; any mechanical design must carry out a reasonable lubrication design, and any application of any kind of oil has problems. However, the lubricating oil market is wide-ranging, with many types of user industries, and users are in a state of dissociation and dispersal. It is necessary to establish a large number of expert service teams; there are many varieties of lubricating oils, and the specifications and grades are complex.

China has formulated lubricating oil classification standards with reference to international standards. Lubricants are divided into 19 categories according to application occasions. Each category 1 oil product is divided into several varieties. For example, E category internal combustion engine oil includes gasoline engine oil, diesel engine oil, railway internal combustion engine oil, and marine cylinder oil. , Medium-speed cylindrical diesel engine oil, two-stroke gasoline engine oil, etc. In the internal combustion engine oil, there are single-grade oil, multi-grade oil, and general-purpose oil. There are about a hundred brands in such a combination. Without certain lubricant business knowledge, it is difficult to choose suitable lubricants; due to the advancement of automobile manufacturing technology And environmental protection indicators are becoming more and more stringent. Lubricants, especially internal combustion engine oil, have become the fastest replacement products in the petrochemical industry. Compared with developed countries, China’s oil grade is quite different. The demand for lubricants in developed countries has a very small span. Only two grades of lubricants coexist in the United States, and only three grades of lubricants coexist in Europe. Taking gasoline engine oil as an example, China has the highest grade SL grade gasoline engine oil. There are also SC and even SA and SB grade gasoline engine oils, with a difference of seven or eight grades. Due to the country's insufficient enforcement of oil quality grades and users do not understand the basic knowledge that upgraded products can replace original oil products, it is difficult to promote new upgraded products and cannot use oil and oil products as in industrialized developed countries. Synchronize.

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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