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Laser oscillation device

A technology of oscillating device and laser oscillator, used in lasers, laser parts, laser welding equipment, etc., can solve problems such as machining position deviation, base plate deformation, dichroic mirror parallelism damage, etc., and achieve optical axis deviation. Suppression, small deformation effect

Active Publication Date: 2007-12-12
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this reason, the heat of the laser oscillator deforms the base plate, the parallelism of each dichroic mirror is destroyed, and the optical axis of the laser beam deviates, causing a problem that the processing position deviates.

Method used

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  • Laser oscillation device
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Experimental program
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Embodiment Construction

[0018] Next, several embodiments of the present invention will be described with reference to the drawings.

[0019] Implementation form 1

[0020] Fig. 1 is a perspective view showing Embodiment 1 of a laser oscillator of the present invention. The laser oscillator 100 of the first embodiment is used in a laser processing machine, for example.

[0021] The laser oscillator 100 of Embodiment 1 has a laser oscillator 10 and an optical unit 20 . The laser oscillator 10 has a housing 11 in which laser light is generated. The box body 11 is formed in a rectangular parallelepiped box shape from metal such as a steel plate, and has a front wall 11A, a back wall 11B, and a peripheral wall 11C. The laser light generated by the laser oscillator 10 becomes a laser beam LB, which is extracted from the front wall 11A in a direction perpendicular thereto. Three mounts 12A, 12B, and 12C are formed on the front wall 11A.

[0022] As the laser oscillator 10, for example, the laser oscill...

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PUM

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Abstract

The invention provides a laser oscillation device, which can suppress the reflector supporting member from deforming resulted from the thermal deformation of laser oscillation device. The said laser oscillation device comprises a box body with laser oscillator for generating laser, a first reflector for guiding laser generated by the said laser oscillation device and a second reflector arranged parallelly with the first reflector for guiding laser generated from the first reflector; a reflector supporting member shared to be mounted with the first reflector and the second reflector, the said reflector supporting member being mechanistically jointed by only three fixing components at each acme of trigon, relative to the box body of the laser oscillator.

Description

technical field [0001] The present invention relates to a laser oscillator used in a laser processing machine and the like. Background technique [0002] In a laser processing machine that processes a workpiece with a laser beam, a laser oscillator including a laser oscillator and a plurality of mirrors is used. The laser oscillator has a housing, and laser light is generated inside the housing. The laser beam is transmitted as a laser beam to a processing section for processing a workpiece through a plurality of reflecting mirrors. [0003] A laser processing machine is disclosed in, for example, FIG. 1 of JP 2002-316291 A (Patent Document 1). In the laser oscillation device of the laser processing machine disclosed in this patent document 1, the linearly polarized laser beam output from the laser oscillator is circularly polarized by the first folding mirror, and the circularly polarized laser beam is circularly polarized by the second folding mirror. The diameter of th...

Claims

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Application Information

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IPC IPC(8): B23K26/04B23K26/06B23K26/42G02B27/00H01S3/02
CPCH01S3/0071G02B7/1815G02B7/182H01S3/02G02B17/02
Inventor 船冈幸治长谷川正彦玉谷基亮西田聪松本康成
Owner MITSUBISHI ELECTRIC CORP
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