GB1438570A - Gauging and machining apparatus - Google Patents

Gauging and machining apparatus

Info

Publication number
GB1438570A
GB1438570A GB4683673A GB4683673A GB1438570A GB 1438570 A GB1438570 A GB 1438570A GB 4683673 A GB4683673 A GB 4683673A GB 4683673 A GB4683673 A GB 4683673A GB 1438570 A GB1438570 A GB 1438570A
Authority
GB
United Kingdom
Prior art keywords
switch
gauging
signal
energizes
comparator
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
GB4683673A
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.)
Northrop Grumman Space and Mission Systems Corp
Original Assignee
TRW Inc
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 TRW Inc filed Critical TRW Inc
Priority to GB4683673A priority Critical patent/GB1438570A/en
Publication of GB1438570A publication Critical patent/GB1438570A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/02—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)

Abstract

1438570 Automatic control TRW Inc 8 Oct 1973 46836/73 Heading G3N [Also in Division G1] The invention relates to an electric dimension gauging system for articles periodically entering a measuring area, and provides a switching circuit for suppressing false signals when the article is not in position. The invention is described with reference to a surface grinder in which the cut is automatically increased after each pass. A sensor of the proximity-type is located at a known height above the table towards the end of its travel, and a "positionindicator" switch is actuated at the end of the travel, Fig. 1, (not shown). The gauge signal may be arranged to stop the machine when the "finished" dimension is reached. A control circuit is shown Fig. 2, the signal from sensor 30 is compared with a required value reference 36 by comparator 34. When the workpiece is in the measuring position switch 46 energizes one input of AND gate 40 so that if a stop-grind signal comes from the comparator (at that time) flip-flop 50 de-energizes the power relay and "RUN" lamp 62 and also lights the "RESET" lamp 58. The control circuit is reset by switch 52. Modifications. The apparatus may be used also for gauging articles conveyed in succession past a measuring station.
GB4683673A 1973-10-08 1973-10-08 Gauging and machining apparatus Expired GB1438570A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4683673A GB1438570A (en) 1973-10-08 1973-10-08 Gauging and machining apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4683673A GB1438570A (en) 1973-10-08 1973-10-08 Gauging and machining apparatus

Publications (1)

Publication Number Publication Date
GB1438570A true GB1438570A (en) 1976-06-09

Family

ID=10442761

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4683673A Expired GB1438570A (en) 1973-10-08 1973-10-08 Gauging and machining apparatus

Country Status (1)

Country Link
GB (1) GB1438570A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2453004A1 (en) * 1979-04-05 1980-10-31 Bernat Sauliere Ets Stone polisher with vertical tool spindle - which is located in slide support and has sensor for vertical compensation of tool wear and has automatic tool change
EP0254913A2 (en) * 1986-07-14 1988-02-03 Bridgestone/Firestone, Inc. Apparatus and method for grinding sidewall areas of tires

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2453004A1 (en) * 1979-04-05 1980-10-31 Bernat Sauliere Ets Stone polisher with vertical tool spindle - which is located in slide support and has sensor for vertical compensation of tool wear and has automatic tool change
EP0254913A2 (en) * 1986-07-14 1988-02-03 Bridgestone/Firestone, Inc. Apparatus and method for grinding sidewall areas of tires
EP0254913A3 (en) * 1986-07-14 1990-05-09 The Firestone Tire & Rubber Company Apparatus and method for grinding sidewall areas of tires

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee