JPS5586694A - Laser working method - Google Patents

Laser working method

Info

Publication number
JPS5586694A
JPS5586694A JP15883278A JP15883278A JPS5586694A JP S5586694 A JPS5586694 A JP S5586694A JP 15883278 A JP15883278 A JP 15883278A JP 15883278 A JP15883278 A JP 15883278A JP S5586694 A JPS5586694 A JP S5586694A
Authority
JP
Japan
Prior art keywords
peripheral part
works
laser beam
laser
blurred
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
JP15883278A
Other languages
Japanese (ja)
Inventor
Ken Ishikawa
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP15883278A priority Critical patent/JPS5586694A/en
Publication of JPS5586694A publication Critical patent/JPS5586694A/en
Pending 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
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing

Abstract

PURPOSE:To make the boundary part of laser peripheral part gentle and improve the mechanical strength of weld zone by attenuating the intensity distribution in the peripheral part of the laser beam radiated to the works. CONSTITUTION:The laser beam L oscillated from a laser oscillator 1 is shielded or scattered of part of its peripheral part by a transmission quantity adjusting plate 9, by which the boundary portion of the beam L is gradually weakened. Because of this, the laser beam L radiated to the works 7, 8 through a condenser lens 6 becomes a condensed spot of the blurred peripheral part. Hence, the boundary line of the fusion part and non-fusion part of the works 7, 8 may be blurred; in addition, the recess to be formed in the worked surface 7 becomes less and the surface of the weld zone is smoothly finished.
JP15883278A 1978-12-22 1978-12-22 Laser working method Pending JPS5586694A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15883278A JPS5586694A (en) 1978-12-22 1978-12-22 Laser working method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15883278A JPS5586694A (en) 1978-12-22 1978-12-22 Laser working method

Publications (1)

Publication Number Publication Date
JPS5586694A true JPS5586694A (en) 1980-06-30

Family

ID=15680359

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15883278A Pending JPS5586694A (en) 1978-12-22 1978-12-22 Laser working method

Country Status (1)

Country Link
JP (1) JPS5586694A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61238489A (en) * 1985-04-17 1986-10-23 Nippon Kogaku Kk <Nikon> Optical device for laser beam processing
US7608799B2 (en) 2003-12-05 2009-10-27 Toyota Jidosha Kabushiki Kaisha Solid-state laser processing apparatus and laser welding process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61238489A (en) * 1985-04-17 1986-10-23 Nippon Kogaku Kk <Nikon> Optical device for laser beam processing
US7608799B2 (en) 2003-12-05 2009-10-27 Toyota Jidosha Kabushiki Kaisha Solid-state laser processing apparatus and laser welding process

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