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Electric discharge machining device and lifting action control method

A technology of electrical discharge machining and movement, which is applied in the direction of electric processing equipment, metal processing equipment, circuits, etc., can solve the problems of reduced processing efficiency, shortened lifting and lowering time, and increased processing interruption time, so as to achieve the effect of high-efficiency electrical discharge machining

Active Publication Date: 2020-10-13
MITSUBISHI ELECTRIC CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the electric discharge machining device shortens the lifting and lowering time, the machining interruption time is increased, so the machining efficiency is also reduced in this case.

Method used

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  • Electric discharge machining device and lifting action control method
  • Electric discharge machining device and lifting action control method
  • Electric discharge machining device and lifting action control method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0022] figure 1 It is a block diagram showing a configuration example of the electrical discharge machining device 1 according to Embodiment 1 of the present invention. The electrical discharge machining device 1 has a material information input unit 2, a processing condition input unit 3, a storage unit 4, a comparison unit 5, a lifting parameter adjustment unit 6, a lifting action control unit 7, a discharge pulse detection unit 8, a discharge pulse number accumulation unit 9, Z-axis motor control unit 10 , Z-axis motor 11 , machining power supply control unit 12 , machining unit 13 , machining speed calculation unit 14 , machining actual record storage unit 15 and update unit 16 . The processing part 13 has: the electrode 131 used for electric discharge machining, and the workpiece 132 which becomes the processing object of electric discharge machining.

[0023] The material information input unit 2 receives input of information on the material of the electrode 131 and inf...

Embodiment approach 2

[0068] In Embodiment 1, the electric discharge machining device 1 stores the optimum value determined according to the combination of the electrode material and the workpiece material, and updates the optimum value appropriately in order to maximize the machining efficiency. However, the optimum value is affected by the processing area, processing conditions, etc. in addition to the combination of the electrode material and the material of the workpiece. In Embodiment 2, the electrical discharge machining device stores optimum values ​​determined according to combinations of electrode materials and workpiece materials, machining areas, and machining conditions, and appropriately updates the optimum values ​​in order to maximize machining efficiency. Differences from Embodiment 1 will be described.

[0069] Image 6 It is a block diagram showing a configuration example of the electrical discharge machining device 1 a according to the second embodiment. Electrical discharge ma...

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Abstract

An electrical discharge machining device, comprising: a material information input unit (2), which receives input of information on electrode materials and workpiece materials; a machining condition input unit (3), which receives input of machining conditions for electrical discharge machining; The detection part (8) detects the discharge pulse generated in the electric discharge machining; the discharge pulse number accumulation part (9) accumulates the number of discharge pulses; The lifting condition of the lifting operation of the included electrode (131) controls the lifting operation; the storage unit (4) stores the electric discharge per unit time in the electric discharge machining determined according to the combination of the electrode material and the workpiece material an optimum value of the number of pulses; a comparison section (5) which compares the optimum value with the accumulated value; and a lift parameter adjustment section (6) which adjusts the lift condition based on the comparison result of the optimum value and the accumulated value , the lifting action control unit (7) controls the lifting action according to the content adjusted by the lifting parameter adjustment unit (6).

Description

technical field [0001] The present invention relates to an electric discharge machining device for electric discharge machining and a lifting motion control method. Background technique [0002] In an electric discharge machining device for engraving electric discharge machining, if the number of discharge pulses per unit time deviates from the optimum range, that is, the so-called optimum value, the machining speed will decrease and efficient electric discharge machining will not be performed. In order for the electrical discharge machining device to efficiently perform electrical discharge machining, it is necessary to secure an optimum value for the number of electrical discharge pulses. The number of discharge pulses is affected by the concentration of machining chips deposited in the machining gap between the electrode filled with machining fluid and the workpiece. In the electrical discharge machining device, when the concentration of machining chips is too high, it i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23H7/20B23H1/02B23H7/14
CPCB23H7/20B23H1/02
Inventor 吉川宽史中川孝幸森田一成黑川聪昭
Owner MITSUBISHI ELECTRIC CORP
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