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
What are the points for attention in daily operation of Cnc Machining?
In the late 1940s, the United States began to study Cnc Machine tools, 1952, the Massachusetts Institute of Technology (MIT) servo laboratory successfully developed the first CNC milling machine, and in 1957 put into use.The first CNC machining center is the first successful development by the United States Carney – Drake Company in 1958.It adds an automatic tool change device on the basis of CNC horizontal boring and milling machine, so as to realize a clamping workpiece can be milling, drilling, boring, hinge and tapping and other processes of centralized processing.This is a major breakthrough in the process of manufacturing technology development, marking the beginning of the era of CNC lathe processing in the manufacturing field.CNC lathe processing is the foundation of modern manufacturing technology, this invention for manufacturing industry, has epoch-making significance and far-reaching influence.The main industrial developed countries in the world attach great importance to the research and development of numerical control lathe processing technology.
CNC machining is generally refers to the processing process of parts on CNC machine tools.CNC machine tool is a computer to control the machine tool, the computer used to control the machine tool, whether it is a special computer, or a general computer are collectively called CNC system.
The movement and auxiliary movements of CNC machine tools are controlled by the instructions issued by the numerical control system, and the instructions of the numerical control system are compiled by programmers according to the material of the workpiece, processing requirements, characteristics of the machine tool and the instruction format (numerical control language or symbols) specified by the system.According to the program instruction, the CNC system sends out operation terminations or information to the servo device and other functional parts to control the various movements of the machine tools.The machine stops automatically when the parts are finished.Any numerical control machine tool, in its numerical control system if there is no input program instruction, numerical control machine can not work.The controlled movement of the bed includes the starting and stopping of the machine tool.Spindle start and stop, rotation direction and rotation speed transformation;Direction, speed and mode of feed movement;Tool selection, length and radius compensation;Tool replacement, coolant on and off, etc.
The technical procedures of CNC machining are generally the same, but there have been significant changes.A machining method for controlling the displacement of parts and tools with digital information.
CNC machining is an effective way to solve the problems of variable parts variety, small batch, complex shape and high precision, and to realize high efficiency and automatic processing.Machining center originally developed from CNC CNC milling machine processing.
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