GB967170A - Improvements in or relating to a stop device for an electricallydriven machine tool slide - Google Patents

Improvements in or relating to a stop device for an electricallydriven machine tool slide

Info

Publication number
GB967170A
GB967170A GB4236059A GB4236059A GB967170A GB 967170 A GB967170 A GB 967170A GB 4236059 A GB4236059 A GB 4236059A GB 4236059 A GB4236059 A GB 4236059A GB 967170 A GB967170 A GB 967170A
Authority
GB
United Kingdom
Prior art keywords
slide
plunger
circuit
stop
members
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.)
Expired
Application number
GB4236059A
Inventor
Reginald Arthur Fox
Donald Raymond Smith
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.)
Alfred Herbert Ltd
Original Assignee
Alfred Herbert 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 Alfred Herbert Ltd filed Critical Alfred Herbert Ltd
Priority to GB4236059A priority Critical patent/GB967170A/en
Publication of GB967170A publication Critical patent/GB967170A/en
Expired 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
    • B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
    • B23Q16/008—Cushioning the abutting movement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • H01H13/18—Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)

Abstract

967,170. Machine tool details. ALFRED HERBERT Ltd. Dec. 14, 1960 [Dec. 14, 1959], No. 42360/59. Headings B3B and B3T. In a machine tool, means for stopping an electrically-driven slide 5 comprises a first plunger 8 which when depressed slows the travel of the slide and a second plunger 10 which, when depressed on further movement of the slide, stops the slide. The turret slide 5 carries an adjustable stop 4 to engage an electrically-conductive plunger 3, insulating sleeves being indicated by thick-band shading. When the plunger 3 is pushed against the plunger 8 a circuit is completed by way of members 15, 14, 13, 12, 8, 3, 2 to reduce the speed of the slide. Upon further slide movement, the plunger 8 engages the plunger 10 and a second circuit is completed through members 22, 10, 8, 3, 2 to stop the slide. When the slide is returned to its initial position, a further stop depresses a plunger 25 to complete a circuit through members 2, 25, 26, 27, 10, 22 to stop the slide, there being an over-run buffer 29. In a modification, a cross-slide 31, Fig. 2, has a projection 37 which can engage adjustable nuts 34 to move a plate 43 against a plunger 44 completing a circuit through members 48, 44, 32, 32, 30 to reduce the speed of the slide. The slide movement is stopped when the plunger 44 is pushed against a block 46 to complete a further circuit. Reduction of speed may alternatively be effected by an adjustable stop 39 depressing a plunger 42, the circuit then being completed through the slide itself. On the return movement, the slide engages nuts 35 and causes a disc 55 to engage a collar 54 to complete a circuit to stop the slide, a spring 56 serving as a buffer. Low currents are used in all the circuits, amplifying means being provided if necessary for operating electric motors.
GB4236059A 1959-12-14 1959-12-14 Improvements in or relating to a stop device for an electricallydriven machine tool slide Expired GB967170A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4236059A GB967170A (en) 1959-12-14 1959-12-14 Improvements in or relating to a stop device for an electricallydriven machine tool slide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4236059A GB967170A (en) 1959-12-14 1959-12-14 Improvements in or relating to a stop device for an electricallydriven machine tool slide

Publications (1)

Publication Number Publication Date
GB967170A true GB967170A (en) 1964-08-19

Family

ID=10424071

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4236059A Expired GB967170A (en) 1959-12-14 1959-12-14 Improvements in or relating to a stop device for an electricallydriven machine tool slide

Country Status (1)

Country Link
GB (1) GB967170A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4245938A (en) * 1976-08-20 1981-01-20 Carl Hurth Maschinen- Und Zahnradfabrik Device for positioning a tool carriage
FR2505232A1 (en) * 1981-05-06 1982-11-12 Mouton Jean End stop for machine tool component - comprises hollow threaded cylinder contg. inductive proximity detector urged towards cylinder opening by spring
FR2533483A1 (en) * 1982-09-28 1984-03-30 Festo Maschf Stoll G Control switch and stop for machine tool

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4245938A (en) * 1976-08-20 1981-01-20 Carl Hurth Maschinen- Und Zahnradfabrik Device for positioning a tool carriage
FR2505232A1 (en) * 1981-05-06 1982-11-12 Mouton Jean End stop for machine tool component - comprises hollow threaded cylinder contg. inductive proximity detector urged towards cylinder opening by spring
FR2533483A1 (en) * 1982-09-28 1984-03-30 Festo Maschf Stoll G Control switch and stop for machine tool

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