Improve the aluminium wire cutting precision machinery parts processing precision of the method for the silver light metal aluminum, its characteristic is light and soft, also is a kind of precision machinery parts processing of common materials, in the process of machining
, needs to overcome its soft and easy to deformation of the defect.
Especially need on wedm machining, easy to have the cutting path distortion and short circuit problem.
In wire-cutting precision machinery parts processing, the thickness of the workpiece, the cutting is more difficult, because the workpiece reaches a certain thickness of the cutting, there is no enough cooling fluid into the precision of parts, which cannot be ruled out in the clearance of electric erosion, lead to unstable precision machinery parts processing process, the current until there is no short circuit phenomenon.
So how to avoid this, shenzhen precision machinery processing factory Xavier company combined with years of experience in processing, will solve methods summarized below.
First of all, to work on the optimization of process parameters, according to the machining of different thickness for different process parameters.
When making aluminium precision machinery parts processing, can be appropriate to pulse width decreases, and the purpose is to reduce the single pulse discharge.
Allowing evidence of discharge is less also, to a great extent, so can reduce the number of alumina particles, size, so as to reduce the feed the phenomenon of abrasion, the increase of the relative gaps between pulse can make the clearance more convenient, stick to reduce the phenomenon of death, to enhance the stability of the cutting, and to improve machining precision parts
surface roughness, improve the quality of precision machinery parts processing.
On the other hand, the pulse interval is too small, cannot rule out a product of the discharge of in time, this will lead to fail to eliminate the ionization discharge gap, resulting in an unstable wire-cutting processing workpiece, broken wires or cutting trajectory distortion phenomenon.
When set the feed speed, if the set speed is less than the speed of actual piece may be, it will lead to processing for open circuit, makes the cutting precision machining at a slower pace, and aluminum melting point is lower, under the same discharge energy, its machining removal in amount is relatively large, which resulted in increased discharge clearance, pulse voltage can't timely breakdown between the liquid medium, thus reduce pulse points utilization, lead to precision machinery parts processing process is not stable, even cause broken wire phenomena occur;
When a device of feed speed is greater than the speed of actual piece may be, is prone to short-circuit phenomenon during processing, it will bring down the actual feed and the cutting speed, and is not conducive to aluminum material of electric erosion rule out, resulting in broken wires, the phenomenon of short circuit, so the reasonable adjust feed frequency, precision machining process can be more smoothly.
The above information is derived from the shenzhen Xavier precision components co. , LTD. , more products please click on the link to see http://www for details.
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