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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

Pay attention to antifreeze and tires in car maintenance in autumn and winter

It has become cold in a blink of an eye today. People are more likely to catch colds and get sick during the season. The same is true for cars. If you don’t take care of them well, you are also prone to problems of this or that kind. Do you know how to maintain your car during the season?
The face of a car, the face of a person, and the maintenance of a car is very important. However, during the interview, the reporter found that many car owners would hand over all their cars to the 4S shop for maintenance, and other drivers would only perform some simple inspections on the car. As for the temperature drop, what should the car do? Everyone can think of replacing the antifreeze, but it's just two words—I don't understand.
Antifreeze is a coolant with antifreeze function, which can prevent the coolant from freezing during winter parking, expanding the radiator and freezing the engine block. Wang Shiguo reminded that two colors of antifreeze cannot be mixed, let alone use water instead of antifreeze. Moreover, the service life of antifreeze is generally two years, and it must be replaced when it expires, otherwise it will cause corrosion to the vehicle’s engine and water tank. In addition, as the temperature drops, the rubber of the tires tends to become hard and brittle, and there may be air leaks or even tire punctures, so you should always check the tires of your car.
Antifreeze and tires are all ready, can you drive on the road, don't worry, don't forget to warm up the car before leaving the car.
At this time, the vehicle has not reached the optimal state, so the speed should be kept below 50 kilometers per hour. When the water temperature gauge reaches about 90 degrees normally and the engine speed is between 500 and 800 rpm, we can drive normally.

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