Title:
レーザ光線を使用してワークピースを加工する装置
Document Type and Number:
Japanese Patent JP2012508650
Kind Code:
A
Abstract:
In a machine for machining a workpiece by means of a laser beam, particularly for the laser cutting of metals, comprising a work holder, a laser machining unit, a drive unit for moving the laser machining unit and the work holder in relation to each other, a machine controller and a gas supply device, the gas supply device has at least one gas source, a gas nozzle assigned to the laser machining unit, a line arrangement connecting the gas nozzle to the at least one gas source and at least one proportional pressure control valve (4) arranged in said line arrangement and connected to a gas control unit. In this arrangement, the proportional pressure control valve (4) comprises a piezopneumatic pilot stage (14) and a pneumatic power stage (13) actuated by the latter.
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Inventors:
Schrobenhauser, Max
Rush, Gunter
Rush, Gunter
Application Number:
JP2011535909A
Publication Date:
April 12, 2012
Filing Date:
November 10, 2009
Export Citation:
Assignee:
Helbigger Outmatijeung Steinique Holding Gezel Shaft Mitt Beschlenktel Haftung
International Classes:
B23K26/14; B23K26/00; B23K26/38
Domestic Patent References:
| JP2006521933A | 2006-09-28 | |||
| JPH02190683A | 1990-07-26 | |||
| JPS6440776A | 1989-02-13 |
Attorney, Agent or Firm:
Haruo Hamada