Factors affecting the efficiency of brass wire cutting EDM machine
Factors affecting the efficiency of brass wire cutting EDM machine
There are many factors that affect the efficiency of brass wire EDM machine. If there is an inefficiency in processing, you can consider the following two factors.
(1) Limited by the structure and clamping of the parts, The wire EDM machine cannot be effectively flushed with high-pressure water
At this time, it depends on whether the cut parts can be improved from the clamping. Some parts are affected by the support fixture, the bottom surface is raised, and some parts are affected by the pressure plate and the clamping screw position, and the upper nozzle has to be raised, and some are that the operator is afraid that the upper nozzle will not fall to the lowest point when the nozzle is touched. . If the lower surface is raised, see if it is possible to use a fixture with the fixture support surface on the same plane as the work surface, or to clamp the workpiece directly on the work surface.
Affected by the screw pressure plate and the parts can be clamped by the jaw clamp; for the operator who is worried that the upper nozzle is not dropped to the lowest point, a 0.1mm feeler gauge can be prepared as required. For parts that cannot be effectively flushed with high-pressure water due to structural limitations, the cutting energy can only be reduced. At this time, a correct understanding of cutting efficiency is necessary.
(2) Wire transport system related (related to maintenance)
1) It is necessary to check the wire EDM machine whether the cooling water of the conductive block is normal. Especially whether there is cooling water for the lower conductive block, because copper powder will be dropped during the cutting process, after long-term use of the machine tool, the cooling water of the lower conductive block or even the flushing water for the lower nozzle processing may be blocked. It should be cleaned and dredged;
2) The rotation of the lower guide wheel on the lower arm is flexible. Check and clean;
3) Whether the take-up wheel is normal;
4) Check the wire tension and wire speed, and re-adjust if necessary;
5) Check and clean the guide wire nozzle and conductive block.
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