Influence of fast walking silk of the three major factors on the quality of the precision machinery parts processing fast walking wire is a kind of processing way of wire cutting, its application in precision machinery processing enterprises a lot, for precision machinery parts processing complicated shape is very good a choice.
Thickness of workpiece material is qualitative different, different, work out the quality is different.
Brisk walking silk is dedicated emulsion of working liquid and some suitable for the finishing, some applicable to large workpiece cutting thickness, also have a plenty of added in the original working liquid chemical composition to improve cutting speed or increase the antirust capability.
In general, in the process of precision metal processing, all need to choose according to actual needs.
Thickness on the quality of the processed workpiece: thin artifacts, working liquid is easy to enter and full of discharge gap, good for chip removal and eliminate ionization, processing stability is good.
But the workpiece is too thin, wire electrode is easy to produce jitter, adverse to the surface roughness of precision machinery parts processing.
Thick workpiece, working liquid is difficult to enter and full of discharge gap and machining
stability is poor, but the wire electrode is not easy to shake, so the high precision, small surface roughness values.
Walking wire cutting speed increases with the increase of the thickness at first, after reaching a maximum began to decline, this is because the thickness is too big, chip removal conditions worsen.
Workpiece material impact on the quality of processing: copper, aluminum, hardened steel, this kind of precision metal processing, process stability, high cutting speed, the surface quality is not very good;
When processing hard alloy, stable, low cutting speed, small surface roughness values.
Material structure of fine and uniform, processing performance is good, machining parts with high precision, small surface roughness values.
The internal stress of the material is small, processing deformation, high machining accuracy, such as stainless steel, hardened steel must to stress tempering, otherwise not only precision metal processing parts quality is bad, but also prone to the condition of the broken wires.
Working liquid on the quality of the processing, the effect of working liquid is pulse discharge medium, cooling and chip removal.
The kinds of working liquid, concentration, smudgy degree and the top and bottom water, precision machinery parts processing effect will considerable influence.
To require high cutting speed or the thickness of the workpiece, lower concentration, processing is stable, and not easy to broken wires.
The working fluid is too dirty, suspended processing chip is too much, make the clearance deionization, and prone to secondary discharge, adverse to the electro discharge machining, reduces the technical index of the technology of impact on the processing of the thicker parts more clearly, at this time should be timely change of working liquid.
The above information is derived from the shenzhen Xavier CNC precision machining manufacturer company.
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