Tongling Yuanyi Precision Machinery Co., Ltd.
Address: 129 west Cuihu road 5, Tongling Economic Development Zone, Anhui Province
Tel:+86 13956259526
Tel:+86 13905620906
E-mail:sale@yyjgjx.com
Skype:elena.chen93
Mold EDM processing knowledge |
Release time:2019-06-03 15:51:49 | Browse times: |
Mold EDM processing knowledge 1. The mold EDM processing method must meet three conditions: 1 It is necessary to maintain a certain gap between the tool electrode and the workpiece to be machined surface, so it is necessary to have automatic feeding and adjusting device of the tool electrode in the electric discharge machining; 2 spark discharge must be a transient pulse discharge, for which EDM must use a pulse power supply; 3 Spark discharge must be carried out in a liquid medium with a certain insulating property. 2. Factors affecting the erosion rate of EDM: electrical standards, polarity effects, thermal constants of metal materials, working fluids, and chip evacuation conditions. 3. Factors affecting the accuracy of EDM: the various errors of the machine tool itself, the manufacturing accuracy of the tool electrode, the positioning and mounting error of the workpiece and the electrode, the size and consistency of the discharge gap, the loss of the workpiece electrode and the processing stability. 4. Electrode material requirements for EDM: low loss, stable processing, high productivity, good machinability and low price. Common materials: copper, graphite, cast iron, steel, brass, tungsten alloy, silver tungsten alloy. Structure: 1 integral electrode 2 inlaid electrode 3 combined electrode. 5, EDM forming cavity mold method: 1 single electrode translation method 2 multi-electrode replacement method 3 decomposition electrode method. |
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Tongling Yuanyi Precision Machinery Co., Ltd.
Tel:+86 13956259526 Tel:+86 13905620906
E-mail:sale@yyjgjx.com
Address: 129 west Cuihu road 5, Tongling Economic Development Zone, Anhui Province
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