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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

The composition and use of Shandong sewage suction truck

&nbsp; The composition and use of the sewage suction truck in Shandong: The sewage suction truck part consists of a power take-off, a drive shaft, a vacuum suction pump, a pressure tank, a hydraulic part, a pipe network system, a vacuum pressure gauge, a fecal window, a hand washing device, etc. It is equipped with high-power vacuum sewage suction pump and high-quality hydraulic system. The dirt in the tank can be dumped directly through the back cover, and it has the characteristics of high vacuum (more suction than fecal suction truck), large tonnage, high efficiency and wider use. <br /> The sewage suction truck and the fecal suction truck have the same principle, but the sewage suction truck and the fecal suction truck have different purposes. The difference is that the tank body of the sewage suction truck is a round tank with a tighter structure, which can withstand higher pressure and provide greater suction. It can be used to collect, clean and transport sewage and sludge. It is suitable for the suction, shipment, and discharge of the sludge in the sewer. Large objects such as mud, silt, stones, bricks, etc. can be absorbed. <br /> Since the suction hose is always immersed in the liquid surface, after the air in the fecal tank is sucked, it becomes thinner and thinner because it cannot be replenished. As a result, the pressure in the tank is lower than the atmospheric pressure, and the fecal liquid is Under atmospheric pressure, it enters the container through the fecal suction hose. Or because the siphon tube is close to the bottom of the tank, when the air is continuously discharged into the fecal tank, it is compressed because it has no way out, causing the pressure in the tank to be higher than atmospheric pressure. The fecal liquid is discharged through the siphon and suction hose under the action of compressed air. Outside the tank. <br /> The sewage suction truck has the characteristics of high suction efficiency, self-priming, self-draining and direct irrigation. Pumping time for full manure tank: ≤5min, suction range: ≥8m. It has the characteristics of long service life, fast working speed, simple operation and convenient transportation. <p> The main purpose of the sewage suction truck click to open the link.<br /> The sewage suction truck is mainly used to clean urban sewers, pipelines, sediments, and dredge dead angle mud trenches. It can also be used to clean industrial drainage pipes, walls, etc., and It can also be used for sprinkling, transporting water and flushing roads, and can be used for fire fighting in emergency. <br /> The sewage suction truck adopts a special sewage suction pump with domestic technology, which has large suction power and long suction range. It is especially suitable for the suction, shipment and discharge of sludge in the sewer, especially for sucking sewage mud, Large objects such as silt, stones, bricks, etc., and substances with low water content. Pumping time for full sewage (feces) tank: ≤5min, suction range: ≥10m. Self-priming and self-discharging, long life, fast working speed and convenient transportation. The discharge of the sewage suction truck has two methods: pressurized discharge and self-flow discharge. The sewage suction truck is self-priming and self-discharging, and the rear cover can be opened and self-discharging impurities in the tank. It has high suction efficiency, self-priming, self-draining and direct irrigation, etc. Features, quick and easy operation. It is suitable for large, medium and small town sanitation and municipal departments. </p> <p> The tank body of the sewage suction truck can be made of carbon steel and stainless steel. The dedicated part of the sewage suction truck takes power. </p>

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