Brisk walking silk how to reduce the workpiece deformation of precision machinery parts processing edm wire cutting machine in the machine tool are divided into fast walking wire, wire, wire walking, there is a difference between before them, among the three, brisk walking wire cutting the fastest, the precision is relatively low, this article, we mainly learn the brisk walking silk precision metal processing, how to guarantee the efficiency at the same time, also can improve the machining
First is to improve cutting method: it is no longer a cut in place, the change of coarse and fine cutting, so that after the first rough cut of deformation has been fixed in precision cutting, general fine cutting when the cutting quantity should be according to the size of the deformation of after the first cutting, generally take a 0.
About 5 mm.
This method is often used in precision machinery parts processing complicated shape.
Followed by change the habit of two clamping pressure for single point clamp pressure, for easy cutting.
The deformation in the process of free to stretch, to prevent interference of two clamping pressure to deformation, but note that the reasonable parts of the single point clamp pressure usually at the end of the program, so the deformation affects only scrap parts, to avoid the influence on the precision metal processing parts after molding.
Third, the cutting parts, easy deformation according to the overall arrangement, the starting point of the cutting parts shape characteristics, application and clamping pressure position, to minimize the deformation, generally should choose the flat or already has a little influence on the performance after precision machinery parts processing, the starting point of the set line.
Fourth, the selection of proper process parameters.
The peak value of narrow pulse electrical parameter, make the workpiece material thrown in the gas phase, gasification and much higher than the melting hot, to take away most of the heat, avoid overheating precision metal surface processing and deformation.
There will be individually pulse detection, control the concentration of discharge pulse string length, also can solve the problem of local overheating, eliminate cracks.
Pulse energy is extremely obvious to the influence of the crack, the energy, the greater the crack width ever deeper, pulse energy is very small, such as using finishing electric gauge, the surface roughness value is less than 1.
Crack of 25 micron, generally not easy.
The above information is derived from the shenzhen Xavier CNC precision machining manufacturer company.
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