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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

New breakthroughs in 3D printing technology for large metal parts

The manufacture of large-scale key components of high-performance and difficult-to-process metals such as titanium alloys, high-strength steels, and heat-resistant alloys is the foundation of major equipment manufacturing industries such as aviation, aerospace, electric power, petrochemicals, and ships.

High-performance large-scale metal component additive manufacturing technology is expected to provide a revolutionary new way of rapid, flexible, low-cost, high-performance, and short-cycle technology for the manufacture of large-scale metal components that are difficult to process in major defense and industrial equipment. Aviation, aerospace, nuclear power, petrochemical, shipbuilding and other high-end major equipment manufacturing applications have broad prospects, and are highly concerned by governments, industry and academia worldwide.

Beijing University of Aeronautics and Astronautics and China's aerospace and other equipment design and manufacturing enterprises through “production, learning and research” close cooperation, aiming at major national needs, after more than 20 years of continuous research and development, with the support of the Beijing Municipal Science High-strength steel and other large-scale integral load-bearing key structural parts laser additive manufacturing process, quality performance control and application of key technologies, established a complete set of technical standards system, and developed a series of original core technologies and the world's largest forming capacity laser additive. The manufacturing of complete sets of equipment is used in the development and production of China’s key equipment such as large aircraft, new fighters, new missiles, and satellites, and has played an important role in ensuring the smooth development of equipment.

Link to this article:New breakthroughs in 3D printing technology for large metal parts

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