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
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 of numbers and lette
1. Blue-collar layer: That is, CNC machining operation technicians, proficient in machining and CNC machining process knowledge, proficient in the operation and manual programming of CNC machine tools (attributes: automated machine tools), understand automatic programming and simple maintenance of CNC machine tools (attributes: automated machine tools), such There is a large market demand for personnel, and they are suitable for operating workers of CNC machine tools (attributes: automated machine tools) in the workshop, but due to their single knowledge, their wages will not be much higher. 2. Gray collar layer: One, CNC machining programmer: Master the knowledge of 5 Axis CNC machining Aluminum technology and the operation of CNC machine tools (attributes: automated machine tools), be familiar with the design and manufacturing expertise of complex molds (title: mother of industry), and be proficient in 3D CAD/CAM software, such as UG, GOOGLE PRO/E, etc. ; Familiar with CNC
Nowadays, people have higher and higher requirements for product quality. In the manufacturing process, in order to meet various product quality requirements, five-axis processing of plastic parts will be used to process some high precision and complex parts. deal with. Compared with traditional three-axis machining, what are the obvious advantages of five-axis machining of plastic parts?
1. Can improve cutting conditions
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When the cutting tool moves to the top or the edge of the workpiece during processing, the cutting state gradually deteriorates. If you want to maintain the ideal cutting state here, you need to rotate the worktable. If you need to completely machine an irregular plane, you need to change the worktable in different directions. Rotating multiple times and the five-axis machining machine tool can avoid the situation where the linear velocity of the ball end milling cutter center point is zero, so as to obtain a better surface quality by improving the cutting conditions.
2. Can effectively avoid tool interference
Five-axis machining can process many parts with very high precision requirements. For example, complex parts such as impellers and blades and blisks that need to be used in the aerospace field, but three-axis machining equipment will be unable to do so for various reasons. Meet the technological requirements but the five-axis machining equipment can. At the same time, the five-axis processing machine tool can also use shorter tools to process, improve the rigidity of the system, reduce the number of tools, and avoid the production of special tools.
3. Can reduce the number of clamping
Five-axis machining can complete five-sided machining at one time and can also reduce benchmark conversion and improve machining accuracy. In actual machining, it is easier to guarantee the accuracy during machining if only one clamping is performed. At the same time, due to the shortening of the process chain and the reduction of the number of equipment, the five-axis machining center will not only reduce the number of fixtures, but also reduce the floor space of the workshop and the cost of equipment maintenance.
Through the above introduction, you can see that five-axis machining of plastic parts does have many advantages compared with traditional three-axis machining, which can not only effectively improve the cutting conditions of parts, but also effectively avoid tool interference and reduce The number of clamping times can not only improve the quality of parts processing, but also reduce certain processing costs.
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