JPS6054293A - Laser cutting method - Google Patents

Laser cutting method

Info

Publication number
JPS6054293A
JPS6054293A JP16254883A JP16254883A JPS6054293A JP S6054293 A JPS6054293 A JP S6054293A JP 16254883 A JP16254883 A JP 16254883A JP 16254883 A JP16254883 A JP 16254883A JP S6054293 A JPS6054293 A JP S6054293A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
gaseous oxygen
atm
nozzle
laser
flow rate
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
JP16254883A
Inventor
Kazuo Nakayama
Naoto Sano
Original Assignee
Toshiba Corp
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

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/14Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/14Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
    • B23K26/1462Nozzles; Features related to nozzles
    • B23K26/1464Supply to, or discharge from, nozzles of media, e.g. gas, powder, wire
    • B23K26/1476Features inside the nozzle for feeding the fluid stream through the nozzle

Abstract

PURPOSE:To cut precisely a thick material to be worked as well by a laser by sealing gaseous oxygen flow flowing out coaxially with laser light from the atm. air by fluid having small density. CONSTITUTION:A high flow rate of gaseous oxygen 3 is ejected from a nozzle 2 together with laser light 1. The 2nd nozzle 11 is attached to the nozzle 2 and fluid 13 having the density smaller than the density of air such as gaseous He 12 or the like is ejected therefrom to shield the gaseous oxygen flow 3 against the atm. air during cutting of a material 4 to be worked by a laser. The frictional force occuring in the difference in flow rate between the gaseous oxygen flow 3 and the atm. pressure is thus decreased. As a result the decrease in the flow rate and concn. of the gaseous oxygen flow 3 is prevented and the precision cutting is satisfactorily accomplished.
JP16254883A 1983-09-06 1983-09-06 Laser cutting method Pending JPS6054293A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16254883A JPS6054293A (en) 1983-09-06 1983-09-06 Laser cutting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16254883A JPS6054293A (en) 1983-09-06 1983-09-06 Laser cutting method

Publications (1)

Publication Number Publication Date
JPS6054293A true true JPS6054293A (en) 1985-03-28

Family

ID=15756682

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16254883A Pending JPS6054293A (en) 1983-09-06 1983-09-06 Laser cutting method

Country Status (1)

Country Link
JP (1) JPS6054293A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4912832A (en) * 1988-12-08 1990-04-03 Timex Corporation Method for making a timepiece stepping motor
US6118097A (en) * 1992-10-23 2000-09-12 Mitsubishi Denki Kabushiki Kaisha Machining head and laser machining apparatus
WO2006090949A1 (en) * 2005-02-23 2006-08-31 Eo Technics Co., Ltd. Oxygen blocking device, and laser processing apparatus and method using the same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4912832A (en) * 1988-12-08 1990-04-03 Timex Corporation Method for making a timepiece stepping motor
US6118097A (en) * 1992-10-23 2000-09-12 Mitsubishi Denki Kabushiki Kaisha Machining head and laser machining apparatus
US6288363B1 (en) 1992-10-23 2001-09-11 Mitsubishi Denki Kabushiki Kaisha Machining head and laser machining apparatus
WO2006090949A1 (en) * 2005-02-23 2006-08-31 Eo Technics Co., Ltd. Oxygen blocking device, and laser processing apparatus and method using the same

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