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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...

Hydrostatic guideway of CNC machining lathe

The static pressure slide rail (TTW guide) of the CNC machining lathe transfers the oil with a certain pressure through the throttle to the oil cavity between the sliding surfaces of the slide rail (TTW guide) to form a pressure oil film to float the moving parts , Make the sliding rail (TTW guide) surface in a pure liquid friction state.   CNC machining General CNC machining usually refers to computer digital control precision machining, CNC machining lathe, CNC machining milling machine, CNC machining c17200   beryllium   copper   and milling machine, etc. The feed route of finishing is basically carried out along the part contour sequence. Therefore, the focus of determining the feed route is to determine the feed route of rough machining and idle stroke. In the numerical control processing, the control system issues instructions to make the tool perform various motions that meet the requirements, and the shape and size of the workpiece are expressed in the form o...

Hydrostatic guideway of CNC machining lathe

The static pressure slide rail (TTW guide) of the CNC machining lathe transfers the oil with a certain pressure through the throttle to the oil cavity between the sliding surfaces of the slide rail (TTW guide) to form a pressure oil film to float the moving parts , Make the sliding rail (TTW guide) surface in a pure liquid friction state.   CNC machining General CNC machining usually refers to computer digital control precision machining, CNC machining lathe, CNC machining milling machine, CNC machining c17200   beryllium   copper   and milling machine, etc. The feed route of finishing is basically carried out along the part contour sequence. Therefore, the focus of determining the feed route is to determine the feed route of rough machining and idle stroke. In the numerical control processing, the control system issues instructions to make the tool perform various motions that meet the requirements, and the shape and size of the workpiece are expressed in the form o...

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.

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