Walking wire precision metal processing wire electrode diameter size selection principle take care silk for small precision metal processing is of great significance and many microporous or strange shape of the parts, on the other machine tool processing, have to rely on wedm, precision demand is high, you need to use wire walking.
Selection of wire electrode diameter need to have a comprehensive consideration, mainly from two aspects of machining
efficiency and machining accuracy.
Filaments, the cost is low, but the machining, the minimum radius of concave Angle is relatively small, but because of its strength is limited, tension cannot too big, and processing of wire electrode lags behind relatively, precision metal processing precision.
Processing filaments of current density bear ability are relatively weak, also is limited by a certain processing efficiency, a fine wire electrode can withstand larger tension and current density, and thus can get higher machining precision and machining efficiency, but the minimum radius of concave Angle is opposite bigger, and wire electrode material consumption has increased, and thus can increase the operation cost.
So the selection of wire electrode diameter after selection considering the efficiency and accuracy of factors, from the requirements of workpiece minimum concave Angle is needed to make decisions.
In precision metal processing precision.
Processing filaments of current density bear ability are relatively weak, machining efficiency has also been a certain limit, a fine wire electrode can withstand larger tension and current density in the process, in order to control costs, often need to possibly slows the movement wire, wire speed is too low, but if the wire electrode on the discharge path loss rate is greater than the new silk add speed, can cause the upper machining gap is big, lower machining gap is small, form the difference, the greater the processing current, the greater the difference, the worse, precision metal processing precision and stranded wire electrode on the discharge path, the longer the wire electrode loss, the lei in, in heat per unit length is, the greater the more easy to cause broken wires, so need according to the size of the current processing, select the appropriate movement wire speed.
The above information is derived from the shenzhen machining manufacturer Xavier precision components co. , LTD.
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