JPS5974031U - Abnormality detection circuit of electric discharge machine - Google Patents
Abnormality detection circuit of electric discharge machineInfo
- Publication number
- JPS5974031U JPS5974031U JP16694982U JP16694982U JPS5974031U JP S5974031 U JPS5974031 U JP S5974031U JP 16694982 U JP16694982 U JP 16694982U JP 16694982 U JP16694982 U JP 16694982U JP S5974031 U JPS5974031 U JP S5974031U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- abnormality detection
- pulse
- electric discharge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
添付図は本考案の一実施例を示す放電加工機用出力異常
検出回路図である。
１・・・・・・電極、２・・・・・・被加工物、４・・
・・・・パルス駆動回路、５・・・・・・出力段パワー
トランジスタ、６・・・・・・加工電源、７・・・・・
・パルス発生回路、８・・・・・・周波数設定器、１１
・・・・・・出力電圧検出回路、１２・・・・・・異常
検出用パルス幅設定回路、１３．１５・・・・・・ノッ
ト回路、１４・・・・・・アンド回路。The attached figure is a diagram of an output abnormality detection circuit for an electrical discharge machine, showing an embodiment of the present invention. 1... Electrode, 2... Workpiece, 4...
... Pulse drive circuit, 5 ... Output stage power transistor, 6 ... Processing power supply, 7 ...
・Pulse generation circuit, 8... Frequency setter, 11
. . . Output voltage detection circuit, 12 . . . Abnormality detection pulse width setting circuit, 13. 15 . . . Knot circuit, 14 . . . AND circuit.
Claims (1)
路に放電加工電流を制御するスイッチング回路を直列接
続し、該スイッチング回路をパルス発生回路よりの基準
パルス信号によってオン。 “ オフし、放電加工電源の断続を制御すると共に
、前記スイッチング回路のオン、オフ状態を監視し、該
スイッチング回路に対するパルス印加を停止した場合も
オン状態を断続したときは前記放電加工用電源を遮断す
る出力電圧検出回路を備えて成る放電加工機において、
前記パルス発生回路よりの出力パルスによって起動され
、前記スイッチング回路より出力されるパルス幅に対応
してパルス幅設定する異常検出用パルス幅設定回路と、
該異常検出用パルス幅設定回路で設定された出力パルス
信号と、前記出力電圧検出回路よりの出力パルス信号を
入力とし、両出力パルス信号の上敷がとれたとき、その
出力を放電加工用電源の遮断制御信・号とする論理ゲー
ト回路とを備えて成ることを特徴とする放電加工機の異
常検出回路。[Claims for Utility Model Registration] A switching circuit for controlling the electric discharge machining current is connected in series with a power supply for electric discharge machining, a machining electrode, and a series circuit of the workpiece, and the switching circuit is connected to a reference pulse signal from a pulse generation circuit. On by. “The power supply for electrical discharge machining is turned off and the electrical discharge machining power supply is controlled on and off, and the on/off state of the switching circuit is monitored. In an electric discharge machine equipped with an output voltage detection circuit that shuts off,
an abnormality detection pulse width setting circuit that is activated by an output pulse from the pulse generation circuit and sets a pulse width corresponding to a pulse width output from the switching circuit;
The output pulse signal set by the abnormality detection pulse width setting circuit and the output pulse signal from the output voltage detection circuit are input, and when the overlay of both output pulse signals is removed, the output is applied to the electrical discharge machining power supply. An abnormality detection circuit for an electrical discharge machine, characterized by comprising a logic gate circuit for a cut-off control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16694982U JPS5974031U (en) | 1982-11-05 | 1982-11-05 | Abnormality detection circuit of electric discharge machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16694982U JPS5974031U (en) | 1982-11-05 | 1982-11-05 | Abnormality detection circuit of electric discharge machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5974031U true JPS5974031U (en) | 1984-05-19 |
Family
ID=30365370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16694982U Pending JPS5974031U (en) | 1982-11-05 | 1982-11-05 | Abnormality detection circuit of electric discharge machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5974031U (en) |
-
1982
- 1982-11-05 JP JP16694982U patent/JPS5974031U/en active Pending
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