CH610538A5 - Electrical servocontrol circuit for the positioning and advancing of the tool electrode in a machine for electrical-discharge (spark-erosion) machining - Google Patents

Electrical servocontrol circuit for the positioning and advancing of the tool electrode in a machine for electrical-discharge (spark-erosion) machining

Info

Publication number
CH610538A5
CH610538A5 CH296177A CH296177A CH610538A5 CH 610538 A5 CH610538 A5 CH 610538A5 CH 296177 A CH296177 A CH 296177A CH 296177 A CH296177 A CH 296177A CH 610538 A5 CH610538 A5 CH 610538A5
Authority
CH
Switzerland
Prior art keywords
electrical
motor
machining
spark
erosion
Prior art date
Application number
CH296177A
Inventor
Nicolas Mironoff
Original Assignee
Nicolas Mironoff
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nicolas Mironoff filed Critical Nicolas Mironoff
Priority to CH296177A priority Critical patent/CH610538A5/en
Priority to DE19782810236 priority patent/DE2810236A1/en
Priority to FR7806678A priority patent/FR2382974A1/en
Publication of CH610538A5 publication Critical patent/CH610538A5/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/14—Electric circuits specially adapted therefor, e.g. power supply
    • B23H7/18—Electric circuits specially adapted therefor, e.g. power supply for maintaining or controlling the desired spacing between electrode and workpiece

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

An electrical servocontrol circuit for the positioning and advancing of the tool electrode in a machine for electrical-discharge (spark-erosion) machining comprises a motor (11) mechanically connected to the tool electrode (1) in order to bring it closer to or to move it away from the workpiece (2) to be machined in its direction of rotation. A secondary winding (12) of a supply transformer, in series with an adjustable resistor (13) and a diode (14), causes this motor to rotate in one direction with a specified force, and another secondary winding (15), in series with a second diode (16) and a current-amplitude modulator (19), causes this motor to rotate in the other direction with a variable force. An electronic arrangement (5-10, 18-28, 31, 32) modulates the control current delivered to the motor by the second winding as an inverse function of the value of the voltage points which occur at the instants of the electrical-discharge (spark-erosion) arc striking. Thus, the control of the motor depends no longer on the average value of the machining current which may vary substantially as a function of the machining rates and of the shape of the eroding pulses, but is based on the average value of the peak voltage of the eroding pulses. <IMAGE>
CH296177A 1977-03-09 1977-03-09 Electrical servocontrol circuit for the positioning and advancing of the tool electrode in a machine for electrical-discharge (spark-erosion) machining CH610538A5 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CH296177A CH610538A5 (en) 1977-03-09 1977-03-09 Electrical servocontrol circuit for the positioning and advancing of the tool electrode in a machine for electrical-discharge (spark-erosion) machining
DE19782810236 DE2810236A1 (en) 1977-03-09 1978-03-07 ELECTRICAL CIRCUIT FOR AN ELECTRO-EROSION MACHINE
FR7806678A FR2382974A1 (en) 1977-03-09 1978-03-08 Electroerosion machine control circuit - has tool moved to and from work dependent on peak voltage at tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH296177A CH610538A5 (en) 1977-03-09 1977-03-09 Electrical servocontrol circuit for the positioning and advancing of the tool electrode in a machine for electrical-discharge (spark-erosion) machining

Publications (1)

Publication Number Publication Date
CH610538A5 true CH610538A5 (en) 1979-04-30

Family

ID=4245528

Family Applications (1)

Application Number Title Priority Date Filing Date
CH296177A CH610538A5 (en) 1977-03-09 1977-03-09 Electrical servocontrol circuit for the positioning and advancing of the tool electrode in a machine for electrical-discharge (spark-erosion) machining

Country Status (3)

Country Link
CH (1) CH610538A5 (en)
DE (1) DE2810236A1 (en)
FR (1) FR2382974A1 (en)

Also Published As

Publication number Publication date
FR2382974A1 (en) 1978-10-06
DE2810236A1 (en) 1978-09-14
FR2382974B3 (en) 1980-12-05

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Legal Events

Date Code Title Description
PL Patent ceased