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...
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...
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...
In the world, improving the five-axis processing technology level of product development is an important symbol of the fully automated manufacturing technology level of a developed enterprise producing numerical control equipment. Due to its special technical status, it is an important strategic influence on my country’s aviation, aerospace, and military modern industries, as well as the huge complexity of production technology. Western modern industrial developed countries have always regarded five-axis series CNC control system products as strategic important materials. , And implemented the import and export production license management system.
For decades, people have generally believed that the five-axis processing transmission technology for new products is an important technical means for continuous product processing. However, the CNC five-axis motor-linked material CNC technology is the most difficult to research and develop in the current CNC technology. It integrates CNC computer automatic control, high-performance CNC servo motor drive and precision material processing.
In order to continuously improve the efficiency of verification machining, it is urgently required to completely eliminate the use of traditional “trial cutting method” mechanical verification processing methods. In the five-axis machining of machine tool product development, the workpiece verification and maintenance work of the nc operating program has also become more important, because the mechanical workpieces that usually need to be processed by five-axis Cnc Machine tools are expensive and the tool collision problem is five-axis. Common collision problems in the processing of CNC machine tools: mechanical tools directly cut into other workpieces; mechanical tools are connected to other workpieces through collisions at extremely high moving speeds; mechanical tools and CNC machine tools, fixtures and other machinery within the scope of the five-axis machining process The equipment collides with each other; the mobile tool on the CNC machine tool collides with the fixed parts of the machine tool or other workpieces.
Compared with the new CNC product processing system with three-axis five-machine linkage, from the perspective of production process and workpiece programming, the use of CNC product development five-axis processing machine for complex precision surface products has the following advantages and can be effective Improving the quality of product processing technology and production efficiency can be used to expand the application range of production technology, and it may be used to meet the innovation direction of the development of my country’s composite chemical industry.
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