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The characteristics of cavity edm is what
by：Lisson
2020-11-20
Injection mold cavity is blind hole, using general mechanical processing method is difficult to process, then use the edm.
cavity edm has the following characteristics.
1. Cavity machining allowance is generally larger, especially in the case of no rehearsals, metal removal in good more, therefore, the first requirement of power supply, improve productivity and reduce loss.
2. Because of the shape of the cavity is much more complex, the electrode loss caused by the change of its size will directly affect the precision of the cavity, and the electrode to the workpiece feeding is restricted, the loss can not like electric burn perforation through the electrode feed compensated, so the electrode loss should be as small as possible.
3. Cavity belongs to the blind hole processing, the products of electric erosion rule out difficult, especially when the cavity machining, so the must be used in the process of oil or oil way to implement the chip removal.
cavity edm has the following characteristics.
1. Cavity machining allowance is generally larger, especially in the case of no rehearsals, metal removal in good more, therefore, the first requirement of power supply, improve productivity and reduce loss.
2. Because of the shape of the cavity is much more complex, the electrode loss caused by the change of its size will directly affect the precision of the cavity, and the electrode to the workpiece feeding is restricted, the loss can not like electric burn perforation through the electrode feed compensated, so the electrode loss should be as small as possible.
3. Cavity belongs to the blind hole processing, the products of electric erosion rule out difficult, especially when the cavity machining, so the must be used in the process of oil or oil way to implement the chip removal.
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