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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

Classification of CNC Machining Occupation Levels

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

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 of numbers and lette

How to use the CNC wire cutting machine reasonably?

Single-board microcomputer WEDM microcomputer controllers were produced earlier. At present, few WEDM manufacturers produce them. However, there are a large number of users who use them. Medium-wire wire-cutting is a technology-intensive product and belongs to precision processing equipment. Wire cutting operators must undergo rigorous training before using the machine tool and obtain a qualified operation certificate before they can work on the machine.



    In order to use the WEDM machine safely, reasonably and effectively, the cnc operator is required to abide by the following operating rules:

   (1) Have a full understanding of the performance and structure of wire feeding in self-use, and be able to master the operating procedures of the machine tool and comply with the safety production system:

   (2) Processing within the allowable specification range of the medium wire cutting, do not work with overweight or over-travel;

   (3) Always check the power cord of the middle wire machine tool, whether the overtravel switch and the reversing switch are safe and stable, and work with faults is not allowed;

   (4) According to the lubrication parts specified in the middle wire operation manual, regularly inject the specified lubricating oil or grease to ensure the flexible operation of the middle wire, especially the guide wheels and bearings should be regularly inspected and replaced;

   (5) Before processing, check whether the working fluid of the wire is sufficient and whether the water pipe and nozzle are unobstructed 

   (6) After get off work, clean up the working area of ​​the middle wire, clean the fixtures and die casting parts, etc.;

  (7) Regularly check whether the wire-moving electrical equipment is damp and reliable, and wipe and clean it to prevent metal objects from falling in;

  (8) Observe the system of fixed man and machine, and maintain regular centering and wire cutting;

 

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