Electrical discharge maching device
专利汇可以提供Electrical discharge maching device专利检索，专利查询，专利分析的服务。并且PURPOSE:To remove errors due to the electrode consumption as usual by conducting follow-up control correcting machining feeds in response to the electrode consumption through an open loop machining feed is given on the basis of NC control commands, etc. CONSTITUTION:A tool replacement head 1 provides several tool electrodes 2a, 2b,... around the head and is constituted so that machining electrodes can be selected as desired by revolving the head. A work 3 makes a machining clearance between the work and the selected electrode 2a and electrical discharge maching is carried out there. Then the operational circuit 15 presets machining pulse conditions, etc., computes the electrode consumptive quantity in response to the discharging rate such as the consumptive length, size of the electrode 2a and outputs corrective signals in order to give the corrective feed corresponding on the consumptive quantity and inputs signals to the NC control device 9. Whenever the signals are input to the device 9 corrective pulses are output in answer to the electrode consumptive quantity, motors 5, 6, 7 are driven and follow-up feeds are taken.，下面是Electrical discharge maching device专利的具体信息内容。
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