KR960021311A - Contact sensing device of wire cut electric discharge machine - Google Patents

Contact sensing device of wire cut electric discharge machine Download PDF

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Publication number
KR960021311A
KR960021311A KR1019940036037A KR19940036037A KR960021311A KR 960021311 A KR960021311 A KR 960021311A KR 1019940036037 A KR1019940036037 A KR 1019940036037A KR 19940036037 A KR19940036037 A KR 19940036037A KR 960021311 A KR960021311 A KR 960021311A
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KR
South Korea
Prior art keywords
touch sensing
discharge
touch
voltage
signal
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Application number
KR1019940036037A
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Korean (ko)
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KR0143367B1 (en
Inventor
윤병용
류재희
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석진철
대우중공업 주식회사
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Priority to KR1019940036037A priority Critical patent/KR0143367B1/en
Publication of KR960021311A publication Critical patent/KR960021311A/en
Application granted granted Critical
Publication of KR0143367B1 publication Critical patent/KR0143367B1/en

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Abstract

본 발명은 와이어 컷 방전가공기의 접촉 감지 장치에 관한 것으로, 방전 전원(4)을 축적하는 콘덴서(5)와; 방전 전압을 와이어 전극(2)과 가공물(3) 간에 인가하기 위한 방전용 스위칭 소자(7);상기 방전용 스위칭 소자(7)를 제어하는 방전제어부(8); 극간 전압을 검출하여 접촉 감지 유무를 판별하고 접촉 감지 신호를 출력하는 접촉 감지부(9) 및; 상기 접촉감지 신호에 따라 상기 와이어 전극(2)의 이동을 결정하는 중앙제어장치(10)를 포함하여 구성되어, 스위칭 소자의 스위칭으로 파생되는 노이즈 및 신호의 불안전성을 완전히 제거하여 안전하고 효율적인 접촉 감지를 수행하므로 와이어 컷 방전가공기의 가공속도 및 안정도 향상에 지대한 효과가 있는 것이다.The present invention relates to a touch sensing device of a wire cut electric discharge machine, comprising: a condenser (5) accumulating a discharge power source (4); A discharge switching element 7 for applying a discharge voltage between the wire electrode 2 and the workpiece 3; a discharge control unit 8 for controlling the discharge switching element 7; A touch sensing unit 9 for detecting a voltage between poles to determine whether there is a touch sensing and outputting a touch sensing signal; It comprises a central control unit 10 for determining the movement of the wire electrode 2 in accordance with the touch detection signal, to completely eliminate the noise and signal instability derived from the switching of the switching element safe and efficient contact detection Since it is performed to have a significant effect on improving the processing speed and stability of the wire cut electric discharge machine.

Description

와이어 컷 방전가공기의 접촉 감지 장치Contact sensing device of wire cut electric discharge machine

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명에 따른 와이어 컷 방전가공기의 방전 가공용 전원 장치 및 접촉감지 장치의 개략적인 블럭도,1 is a schematic block diagram of a power supply device and a contact sensing device for electric discharge machining of a wire cut electric discharge machine according to the present invention;

제2도는 제1도에 따른 접촉 감지부의 상세 회로도.2 is a detailed circuit diagram of the touch sensing unit according to FIG.

Claims (4)

구동 롤러(1)에 의해 움직이는 와이어 전극(2)과 가공물(3) 사이에 가공액을 개재하여 방전가공을 수행하는 와이어 컷 방전 가공기에 있어서, 방전 전원(4)을 축적하는 콘덴서(5)와; 방전전압을 상기 와이어 전극(2)과 가공물(3) 간에 인가하기 위한 방전용 스위칭 소자(7); 상기 방전용 스위칭 소자(7)를 제어하는 방전제어부(8); 극간 전압을 검출하여 접촉 감지 유무를 판별하고 접촉 감지 신호를 출력하는 접촉 감지부(9) 및; 상기 접촉 감지 신호에 따라 상기 와이어 전극(2)의 이동을 결정하는 중앙제어장치(10)를 포함하여 구성된 것을 특징으로 하는 와이어 컷 방전 가공기의 접촉 감지 장치.In the wire cut electric discharge machine which performs electric discharge machining between the wire electrode 2 and the workpiece | work 3 which are moved by the drive roller 1 through the process liquid, the capacitor 5 which accumulates the discharge power source 4, and ; A discharge switching element (7) for applying a discharge voltage between the wire electrode (2) and the workpiece (3); A discharge control unit 8 for controlling the discharge switching element 7; A touch sensing unit 9 for detecting a voltage between poles to determine whether there is a touch sensing and outputting a touch sensing signal; And a central controller (10) for determining movement of the wire electrode (2) according to the touch detection signal. 제1항에 있어서, 상기 접촉 감지부(9)는 접촉제어신호(MC1)에 따라 극간 전압(P4)을 검출할 것인가를 제어하는 접촉 감지 스위치(11)와; 접촉선택신호(MC2)에 따라 기준 전압을 선택출력하는 기준 전압 스위치(12); 상기 접촉 감지 스위치(11)와 역류방지용 다이오드(13) 및 제너 다이오드(14)를 통해 전달된 검출전압(Va)과, 상기 기준 전압 스위치(12)를 통해 전달된 기준전압(Vb)를 입력받아 접촉 유무를 판별하는 비교기(15) 및; 상기 비교기(15)로부터 출력된 신호를 반전시키고 신호 전압을 승압하는 신호반전기(16)를 포함하여 구성된 것을 특징으로 하는 와이어 컷 방전가공기의 접촉 감지 장치.2. The touch sensor according to claim 1, wherein the touch sensing unit (9) comprises: a touch sensing switch (11) for controlling whether to detect the interpolar voltage (P4) according to the touch control signal (MC1); A reference voltage switch 12 for selectively outputting a reference voltage according to the contact selection signal MC2; The detection voltage Va transmitted through the touch sensing switch 11, the backflow prevention diode 13, and the zener diode 14 is received, and the reference voltage Vb transmitted through the reference voltage switch 12 is received. A comparator 15 for determining whether there is a contact; And a signal inverter (16) for inverting the signal output from the comparator (15) and boosting the signal voltage. 제2항에 있어서, 상기 접촉감지 스위치는(11)는, 정상적인 방전가공 모드에서는 오프되어 접촉감지를 하지 않고, 수동모드 또는 가공중 알람 발생시와 전원 투입시에는 온되어 접촉 감지하도록 된 것을 특징으로 하는 와이어 컷 방전가공기의 접촉 감지 장치.The method of claim 2, wherein the touch sensing switch 11 is turned off in the normal discharge machining mode and does not detect the touch, and is turned on to detect the touch when the alarm occurs during the manual mode or the processing and when the power is turned on. Contact detection device of wire cut electric discharge machine. 제2항에 있어서, 상기 기준전압(Vb)은 수동모드와 가공중 알람 발생시의 기준전압 설정치가 각각 다르게 설정되는 것을 특징으로 하는 와이어 컷 방전가공기의 접촉 감지 장치.3. The touch sensing device of a wire cut electric discharge machine according to claim 2, wherein the reference voltage (Vb) is set differently from a reference voltage at the time of a manual mode and an alarm during processing. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940036037A 1994-12-22 1994-12-22 Contact sensing device of wire cut electric discharge machine KR0143367B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940036037A KR0143367B1 (en) 1994-12-22 1994-12-22 Contact sensing device of wire cut electric discharge machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940036037A KR0143367B1 (en) 1994-12-22 1994-12-22 Contact sensing device of wire cut electric discharge machine

Publications (2)

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KR960021311A true KR960021311A (en) 1996-07-18
KR0143367B1 KR0143367B1 (en) 1998-07-01

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CN110091014A (en) * 2018-01-29 2019-08-06 上海东熠数控科技有限公司 The workpiece positioning system and method for thermoelectricity flower molding machine

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