Electric discharge machining gap monitoring device and monitoring method thereof

• Main Authors: YUE XIULEI, YAO ZONGXIU, CHENG RONGQIN, QIU MINGBO, GUO CHUANGCHUANG
• Format: Patent
• Language: Chinese; English
• Published: 09.09.2022
• Subjects: MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL; TRANSPORTING; WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OFELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKESTHE PLACE OF A TOOL

The invention relates to an electric discharge machining gap monitoring device which comprises an electric discharge gap tool setting system, a working platform, a power supply working box and a CCD electron microscope, and the electric discharge gap tool setting system and the CCD electron microscope are arranged on the working platform; the discharge gap tool setting system comprises a flexible clamp, a precise tool setting sliding table and an adjustable workpiece clamp; a pulse power supply, a stepping motor driving power supply, a high-voltage relay, a switching power supply, a single chip microcomputer control unit, a current sensor and a low-voltage relay are arranged in the power supply working box; the CCD electron microscope carries out lens focusing during workpiece machining through a sliding rail and a lifting device of the CCD electron microscope, and the interelectrode discharge spark, the interelectrode corrosion removal morphology, the interelectrode electrochemical reaction, the critical dis