JPS5748449A - Detecting method of operating position of limit switch detecting original point in numerically controlled machine tool - Google Patents

Detecting method of operating position of limit switch detecting original point in numerically controlled machine tool

Info

Publication number
JPS5748449A
JPS5748449A JP11972780A JP11972780A JPS5748449A JP S5748449 A JPS5748449 A JP S5748449A JP 11972780 A JP11972780 A JP 11972780A JP 11972780 A JP11972780 A JP 11972780A JP S5748449 A JPS5748449 A JP S5748449A
Authority
JP
Japan
Prior art keywords
point
detecting
original point
time
limit switch
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.)
Granted
Application number
JP11972780A
Other languages
Japanese (ja)
Other versions
JPS63178B2 (en
Inventor
Takashi Masuda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP11972780A priority Critical patent/JPS5748449A/en
Publication of JPS5748449A publication Critical patent/JPS5748449A/en
Publication of JPS63178B2 publication Critical patent/JPS63178B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control Of Position Or Direction (AREA)
  • Machine Tool Positioning Apparatuses (AREA)
  • Machine Tool Sensing Apparatuses (AREA)
  • Numerical Control (AREA)

Abstract

PURPOSE: To confirm the operating position of a limit switch for detecting the original point, by calculating a position detecting pulse signal used from the first point, of time, when the limit switch for detecting the original point operates, to the second point of time, when one rotation signal of a motor is generated after said first point of time.
CONSTITUTION: An original point aligning switch 6 and reset switch 10 are turned on to set the counting value of a counter 9 to zero. Then a function switch 11 is turned on to input a signal S1 of one rotation and pulse signal S2 for position detection to AND circuits 12, 13. Here a tool 1 is reset to the original point. At this time, a limit switch 4 for detecting the original point is tapped at a section E and turned on, then an FF circuit 14 is set, and an original point signal SB is generated at the first point of time T2 to count a pulse signal S2. After the point of time T2, the FF14 is reset at the second point of time T3 when the signal S1 of one rotation becomes a high level, and counting of the S2 is stopped. In this way, an operating position of the limit switch for detecting the original point can be clearly displayed.
COPYRIGHT: (C)1982,JPO&Japio
JP11972780A 1980-09-01 1980-09-01 Detecting method of operating position of limit switch detecting original point in numerically controlled machine tool Granted JPS5748449A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11972780A JPS5748449A (en) 1980-09-01 1980-09-01 Detecting method of operating position of limit switch detecting original point in numerically controlled machine tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11972780A JPS5748449A (en) 1980-09-01 1980-09-01 Detecting method of operating position of limit switch detecting original point in numerically controlled machine tool

Publications (2)

Publication Number Publication Date
JPS5748449A true JPS5748449A (en) 1982-03-19
JPS63178B2 JPS63178B2 (en) 1988-01-06

Family

ID=14768623

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11972780A Granted JPS5748449A (en) 1980-09-01 1980-09-01 Detecting method of operating position of limit switch detecting original point in numerically controlled machine tool

Country Status (1)

Country Link
JP (1) JPS5748449A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5977520A (en) * 1982-10-27 1984-05-04 Fanuc Ltd Original point position display device
JPS61208509A (en) * 1985-03-14 1986-09-16 Fujitsu Ltd Positioning system for original point
JPS61221802A (en) * 1985-03-01 1986-10-02 Fujitsu Ltd Searching system for original point of robot arm
JPS6455603A (en) * 1987-08-27 1989-03-02 Hitachi Seiko Kk Origin detecting device
JPH0174043U (en) * 1987-11-05 1989-05-18

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS543777A (en) * 1977-06-09 1979-01-12 Itoki Kosakusho Transporting stand device with device of automatically delivering article in automatic magazine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS543777A (en) * 1977-06-09 1979-01-12 Itoki Kosakusho Transporting stand device with device of automatically delivering article in automatic magazine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5977520A (en) * 1982-10-27 1984-05-04 Fanuc Ltd Original point position display device
JPS61221802A (en) * 1985-03-01 1986-10-02 Fujitsu Ltd Searching system for original point of robot arm
JPS61208509A (en) * 1985-03-14 1986-09-16 Fujitsu Ltd Positioning system for original point
JPS6455603A (en) * 1987-08-27 1989-03-02 Hitachi Seiko Kk Origin detecting device
JPH0174043U (en) * 1987-11-05 1989-05-18

Also Published As

Publication number Publication date
JPS63178B2 (en) 1988-01-06

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