GB1394493A - Apparatus for welding or cutting workpieces - Google Patents

Apparatus for welding or cutting workpieces

Info

Publication number
GB1394493A
GB1394493A GB1738673A GB1738673A GB1394493A GB 1394493 A GB1394493 A GB 1394493A GB 1738673 A GB1738673 A GB 1738673A GB 1738673 A GB1738673 A GB 1738673A GB 1394493 A GB1394493 A GB 1394493A
Authority
GB
United Kingdom
Prior art keywords
laser beam
laser
cutting
carriage
welding
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
GB1738673A
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.)
Messer Griesheim GmbH
Original Assignee
Messer Griesheim GmbH
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 Messer Griesheim GmbH filed Critical Messer Griesheim GmbH
Publication of GB1394493A publication Critical patent/GB1394493A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/03—Observing, e.g. monitoring, the workpiece
    • B23K26/032—Observing, e.g. monitoring, the workpiece using optical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/10—Devices involving relative movement between laser beam and workpiece using a fixed support, i.e. involving moving the laser beam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K7/00—Cutting, scarfing, or desurfacing by applying flames
    • B23K7/002—Machines, apparatus, or equipment for cutting plane workpieces, e.g. plates
    • 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
    • B23Q35/14—Means for transforming movement of the feeler or the like into feed movement of tool or work involving electrical means controlling one or more electromotors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Automation & Control Theory (AREA)
  • Laser Beam Processing (AREA)

Abstract

1394493 Cutting and welding by fusion MESSER GRIESHEIM GmbH 11 April 1973 [20 April 1972] 17386/73 Headings B3V and B3R [Also in Divisions G3 and H1] An apparatus for welding or cutting workpieces 16 using a laser beam comprises a device for moving the laser beam along a predetermined path and an adjusting device associated with the moving device for adjusting the speed of advance of the laser beam in dependence on the change of direction of the path being followed and for varying the energy of the laser beam in dependence on its output signals. The lasers are mounted on carriages 21-24 which are connected by a rod 25 to a carriage 18 transversely movable on a longitudinally movable carriage 11. Mounted on the carriage 18 is a photo-electric scanning head 26 for following a pattern supported on a movable table 17. Signals from the scanning head 26 are fed via an amplifier 28 to an adjusting motor 29 for the head 26, which motor 29 is connected to a resolver 31 whose output controls servomotors 14, 19 for the carriages 11, 18. The magnitude of the amplified signal from the head 26 determines the intensity of an incandescent lamp 33 which controls the internal resistance of a photoresistor 35 connected to the rotor coil 36 of the resolver 31. The speeds of the servomotors 14, 19 are thereby controlled in accordance with the curvature of the line being followed. The photoresistor 35 is also connected to a switch device 43 having a resistor 45 connected to the supply device 44 for the laser 41 and bridged by a normally closed contact 47 connected to a relay 49. When the speed of advance falls below a predetermined value, for example when cutting a radius, the contact 47 is opened so that less energy is supplied by the resistor 45 to the laser 41. The power of the laser may also be continuously varied and the photoelectric copying system may be replaced by a numerical control system.
GB1738673A 1972-04-20 1973-04-11 Apparatus for welding or cutting workpieces Expired GB1394493A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2219317A DE2219317B2 (en) 1972-04-20 1972-04-20 Device for processing workpieces with a laser beam

Publications (1)

Publication Number Publication Date
GB1394493A true GB1394493A (en) 1975-05-14

Family

ID=5842686

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1738673A Expired GB1394493A (en) 1972-04-20 1973-04-11 Apparatus for welding or cutting workpieces

Country Status (4)

Country Link
JP (1) JPS4917589A (en)
DE (1) DE2219317B2 (en)
FR (1) FR2180742B1 (en)
GB (1) GB1394493A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2229389A (en) * 1989-03-20 1990-09-26 Sukhman Yefim P Laser processing

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2620846C2 (en) * 1976-05-11 1982-02-04 Rostislav Antonovič Charševskij Laser therapy device
JPS56147628A (en) * 1980-04-15 1981-11-16 Mitsubishi Electric Corp Laser machining device
DE3907803A1 (en) * 1988-10-14 1990-04-19 Roth Werke Gmbh Method and apparatus for cutting a tub
ITUA20164229A1 (en) * 2016-06-09 2017-12-09 Cebora Spa PLASMA CUTTING SYSTEM

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1565007A1 (en) * 1965-05-25 1970-05-21 Philips Patentverwaltung Process and device for thermal material processing by means of laser beams

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2229389A (en) * 1989-03-20 1990-09-26 Sukhman Yefim P Laser processing

Also Published As

Publication number Publication date
JPS4917589A (en) 1974-02-16
DE2219317B2 (en) 1975-06-12
FR2180742A1 (en) 1973-11-30
DE2219317A1 (en) 1973-11-08
FR2180742B1 (en) 1977-02-04

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee