JPS5583545A - Safety device for drive system in machine tool - Google Patents

Safety device for drive system in machine tool

Info

Publication number
JPS5583545A
JPS5583545A JP15560778A JP15560778A JPS5583545A JP S5583545 A JPS5583545 A JP S5583545A JP 15560778 A JP15560778 A JP 15560778A JP 15560778 A JP15560778 A JP 15560778A JP S5583545 A JPS5583545 A JP S5583545A
Authority
JP
Japan
Prior art keywords
substance
shear
ball screw
couplings
drive system
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
Application number
JP15560778A
Other languages
Japanese (ja)
Inventor
Masayuki Kamijo
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.)
Hitachi Seiki Co Ltd
Original Assignee
Hitachi Seiki 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 Hitachi Seiki Co Ltd filed Critical Hitachi Seiki Co Ltd
Priority to JP15560778A priority Critical patent/JPS5583545A/en
Publication of JPS5583545A publication Critical patent/JPS5583545A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/54—Arrangements or details not restricted to group B23Q5/02 or group B23Q5/22 respectively, e.g. control handles
    • B23Q5/58—Safety devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)

Abstract

PURPOSE:To prevent a ball screw from damage, when caused a fault like collision and the like, by breaking a shear substance and cutting a transmitting operation of rotational drive from the motor to the ball screw. CONSTITUTION:Between an electric motor 2 and a ball screw 7, are interposed two couplings 3, 9 and in such manner with these two couplings 3, 9 likely to be bridged over, is easily removably provided a shear substance 10 in the peripheral recessed part of the coupling. When generated a fault like collision and the like, this shear substance 10 is broken along a rotational direction of the ball screw 7, causing a transmission of rotational drive from the motor 2 to the ball screw 7 to be disconnected, and a motion of the feed drive system is stopped. By a shearing of this shear substance 10 with the two couplings 3, 9 shifted relatively from each other in the rotational direction, a detecting substance 13 is rotated to a position to be detached from the coupling 9, with a limit switch 16 operated. Through an action of this switch 16 is detected a shearing of the shear substance 10, and the machine is all stopped in motion.
JP15560778A 1978-12-15 1978-12-15 Safety device for drive system in machine tool Pending JPS5583545A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15560778A JPS5583545A (en) 1978-12-15 1978-12-15 Safety device for drive system in machine tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15560778A JPS5583545A (en) 1978-12-15 1978-12-15 Safety device for drive system in machine tool

Publications (1)

Publication Number Publication Date
JPS5583545A true JPS5583545A (en) 1980-06-24

Family

ID=15609714

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15560778A Pending JPS5583545A (en) 1978-12-15 1978-12-15 Safety device for drive system in machine tool

Country Status (1)

Country Link
JP (1) JPS5583545A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4452095A (en) * 1982-03-04 1984-06-05 Waterbury Farrel Div. Of Textron, Inc. Overload protection for metal forming machine
JPH01222805A (en) * 1988-02-26 1989-09-06 Toru Takeishi Chuck device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4452095A (en) * 1982-03-04 1984-06-05 Waterbury Farrel Div. Of Textron, Inc. Overload protection for metal forming machine
JPH01222805A (en) * 1988-02-26 1989-09-06 Toru Takeishi Chuck device

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