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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

Discussion on Mini-Lubrication Processing of Engraving and Milling Machine

During the milling process of the engraving machine, a large amount of small debris will be generated. The debris splashing at the work site can be seen everywhere. Some milling debris adheres to the surface of the workpiece, which affects the quality of engraving. At the same time, traditional engraving machines generally use a large amount of emulsion spray This kind of hydraulic lubrication cooling, this way has some shortcomings. The processing of light-cutting parts also requires the hydraulic system to be turned on, and a large amount of emulsion is sprayed, resulting in a decrease in the utilization efficiency of the hydraulic system. The use of emulsification cooling for high-speed rotating milling cutters will generate centrifugal force, which makes it difficult for the emulsion to reach the lubrication point directly, and at the same time causes a large amount of emulsion to splash around. When the equipment is used for a long time, the anti-leakage structure will age, and the emulsion will leak and accumulate in large quantities throughout the year, causing serious pollution of the equipment and the environment. Employees working in such an environment for a long time, grabbing parts soaked in lubricating fluid with their hands, are potentially harmful to the human body. With the emulsion processing type, after the product is processed, a lot of cleaning work will be generated, which requires labor and energy for cleaning.


After the engraving and milling machine adopts micro-lubrication, the processing process is quasi-dry cutting, and the micro-lubrication system can provide an appropriate amount of lubricating oil according to the actual processing requirements. In the engraving machine’s milling process, the cutting tools are cooled, lubricated and removed according to the requirements of the processing steps. After processing, there is no leakage of lubricating fluid and no oil on the surface of the workpiece, thus reducing the cleaning work in the subsequent process, and at the same time, there is no need to dry after processing. Doing secondary processing saves manpower and material resources.


The micro-lubrication system is powered by compressed air, and the oil mist consumption can be automatically adjusted according to the processing requirements, thus avoiding the waste of oil. The micron-level oil mist particles produced by the system are little affected by the high-speed rotating centrifugal force, making the oil mist more penetrating, reaching the lubrication point quickly, and making the use of lubricating oil more effective. Compared with the spray lubrication method of hydraulic station, it saves the huge lubrication station system and waste liquid treatment link, at the same time, there is no oil leakage, the equipment and ground environment are clean, and zero pollution is realized.

Link to this article:Discussion on Mini-Lubrication Processing of Engraving and Milling Machine

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