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
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
Elimination of Gear Backlash in CNC Machining Feed System The transmission gear in the feed system of the CNC machining machine tool must eliminate the transmission gap between the meshing gears as much as possible, otherwise the motion will lag behind the command signal after each reversal of the feed system, which will affect the machining accuracy (accuracy) ). There are the following two common methods for CNC machining machine tools to eliminate the transmission gear gap. 1. Rigidity adjustment method The rigid adjustment method is an adjustment method that cannot be automatically compensated for the tooth side clearance after adjustment. Therefore, the pitch tolerance and tooth thickness of the gear must be strictly controlled, otherwise the flexibility of the transmission will be affected. This adjustment method has a relatively simple structure and a better transmission rigidity. (1) Eccentric shaft adjustment method As shown in Figure 610, the gear 1 is mounted on th
With the rapid development of the equipment manufacturing industry, five-axis machining is also widely used in aerospace, medical equipment, military and other fields. In fact, five-axis machining is a common Cnc Machine tool processing mode, mainly used for various electronic components. Sealing, five-axis processing of plastic parts is now a more common processing application, so what are the advantages of this type of processing?
1. Shorten processing time
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Reliable five-axis processing of plastic parts can realize processing angle avoidance, that is, one-time clamping can complete five-sided processing, so that one-time clamping can avoid repeated positioning errors caused by multiple clampings, and can Save a lot of time, on the one hand, it can improve work efficiency, on the other hand, it also shortens the time from product production to transportation, which has a good role in promoting product sales.
2. Reduce costs
With the popularization of various machine simulation software at home and abroad, the cost-effective five-axis processing of plastic parts can be programmed by importing blank data. As a representative of engineering intensive production, it can reduce the investment of other equipment in the production process, thereby reducing In addition to the cost of investment, it can also reduce the number of workshops and the area occupied by the workshops.
3. It can be automated
As we know, the five-axis machining of plastic parts can reduce the dependence on fixtures. Regular workpieces can be clamped with three-jaw or four-jaw chucks. Irregular workpieces can also be used with corresponding tools. No special tools are required. Fixture, this method can reduce the participation of personnel, and can realize automatic operation for simple procedures, thereby improving the intelligence of the processing process.
Equipment manufacturing is an indispensable industry. As a new type of processing mode, five-axis processing of plastic parts plays a vital role in the production of manufacturing equipment. The advantages mentioned above are just the tip of the iceberg. With the continuous development and breakthrough of high-tech, it will definitely contribute more strength and lay a better foundation for the higher level of my country’s equipment manufacturing industry in the future.
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