GB935689A - Machine tool control - Google Patents

Machine tool control

Info

Publication number
GB935689A
GB935689A GB5359A GB5359A GB935689A GB 935689 A GB935689 A GB 935689A GB 5359 A GB5359 A GB 5359A GB 5359 A GB5359 A GB 5359A GB 935689 A GB935689 A GB 935689A
Authority
GB
United Kingdom
Prior art keywords
members
pattern
template
workpiece
links
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
GB5359A
Inventor
Peter Shaw
Alan Gordon Tomkins
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.)
BOC Group Ltd
Original Assignee
British Oxigen 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 British Oxigen Ltd filed Critical British Oxigen Ltd
Priority to GB5359A priority Critical patent/GB935689A/en
Priority to FR814270A priority patent/FR1243721A/en
Publication of GB935689A publication Critical patent/GB935689A/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
    • B23Q35/00—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually
    • B23Q35/04—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually using a feeler or the like travelling along the outline of the pattern, model or drawing; Feelers, patterns, or models therefor
    • B23Q35/08—Means for transforming movement of the feeler or the like into feed movement of tool or work
    • B23Q35/12—Means for transforming movement of the feeler or the like into feed movement of tool or work involving electrical means
    • B23Q35/127—Means for transforming movement of the feeler or the like into feed movement of tool or work involving electrical means using non-mechanical sensing
    • B23Q35/128—Sensing by using optical means

Abstract

935,689. Photo-electric control of machine tools. BRITISH OXYGEN CO. Ltd. Dec. 30, 1959 [Jan. 1, 1959 ; Oct. 26, 1959], Nos. 53/59 and 36141/59. Class 40 (3). [Also in Group XXII] In apparatus in which a machine tool for operating upon elongated workpieces by means of a pattern or template which is representative of the workpiece and which is sensed by a device during relative movement between the tool and workpiece to control operation of the tool relative to the workpiece, the pattern or template is resiliently extensible and is retained in a temporarily stretched condition corresponding to the length of the workpiece which is being operated upon. The process is described for the resurfacing by welding deposition of metal on the surfaces 15 of the links 14 of the driving chain of a caterpillar tractor by a welding head 10 laterally adjustable in a carriage 12 movable along rails 13. An arm 17 of the carriage 12 supports a detecting head 16 including a photoelectric cell which scans a pattern comprising members 20 shaped to correspond with the surfaces 15 of the links 14 and arranged to suspend the deposition of metal by the head 10 at the overlapping zones of the links. The members 20 may be black on a white background of the strip 18, or vice versa, or the members 20 may be opaque and the strip 19 transparent, or vice versa, the photo-cell 16 being responsive to reflected or transmitted light respectively. The material of the strip may be rubber or other elastic material. Alternatively, the shaped members 20 corresponding to the links 14 may be generally rigid members, such as metal plates, secured by studs 24 to the strip 18 which, preferably, at each end is provided with a clamp 22 engaged by a threaded adjustable member 23. In an alternative arrangement, Figs. 3, 4, 5 (not shown), the pattern member comprises separate shaped members corresponding to the surfaces on which metal is to be deposited and connected by spring members, the length occupied by the pattern assembly being adjustable at one or both ends. The longitudinal array of pattern members may be connected by two series of springs, the individual members of which are connected to alternate pattern members to provide greater elasticity for the composite pattern or template. The extensible pattern or template may be employed with mechanical scanning detection in lieu of photo-electric operation.
GB5359A 1959-01-01 1959-01-01 Machine tool control Expired GB935689A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB5359A GB935689A (en) 1959-01-01 1959-01-01 Machine tool control
FR814270A FR1243721A (en) 1959-01-01 1959-12-28 Machine tool control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5359A GB935689A (en) 1959-01-01 1959-01-01 Machine tool control

Publications (1)

Publication Number Publication Date
GB935689A true GB935689A (en) 1963-09-04

Family

ID=9697565

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5359A Expired GB935689A (en) 1959-01-01 1959-01-01 Machine tool control

Country Status (2)

Country Link
FR (1) FR1243721A (en)
GB (1) GB935689A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1131823B (en) * 1961-02-17 1962-06-20 Automatic Welding Company Photoelectrically controlled arc deposition welding machine, especially for welding on crawler tracks

Also Published As

Publication number Publication date
FR1243721A (en) 1960-10-14

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