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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

Winter tires are vulnerable

I was about to go to work early in the morning and found that the tire of the car was flat. Experts remind that in cold weather, don’t forget to take good care of your car while dressing and hating yourself, because the rubber of tires in winter will become hard and brittle, and it is easier to leak air and puncture tires than in other seasons.
According to relevant sources, the temperature in winter is low, and the rubber of the tires will become hard and brittle, making it easier to leak air and puncture tires. After the cold weather, more car owners come to them to replace tires. Many car owners don’t pay attention to the maintenance of their tires, which leads to serious tire wear. Once the tires are not easy to repair, they can only change the tires.
Regarding how to maintain car tires in winter, relevant people said that under normal weather, tire inflation pressure should be appropriately increased to reduce tire wear and consumption. Old tires should be inflated every half month, and new tires should be inflated every one and a half months; and In the event of rain or snow and slippery roads, the tires should be decompressed in time to increase the tire’s grip and ensure safe driving.
Special attention should be paid to the fact that if you restart after parking, because the tires are relatively rigid, you must drive at a lower speed for a period of time after starting, and then drive at normal speed. During the driving, you must avoid stones and bricks. Wait.

Link to this article:Winter tires are vulnerable

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