JPS591491U

JPS591491U - Laser processing equipment

Info

Publication number: JPS591491U
Application number: JP1983058775U
Authority: JP
Inventors: 星之内　進; 実小林
Original assignee: 工業技術院長
Priority date: 1983-04-21
Filing date: 1983-04-21
Publication date: 1984-01-07
Also published as: JPS6037184Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来のレーザ加工装置を示す断面側面図、第２
図は従来装置により被加工物面に照射されるレーザビー
ム形状およびパワー分布を示す図、第３図は従来装置に
よる加工結果を示す図、第４図はこの考案の一実施例で
あるビーム遮蔽装置を、配置したレーザ加工装置の断面
図、第５図はこの考案の一実施例であるビーム遮蔽装置
の構成を示す斜視図、第６図はこの考案によるビーム遮
蔽装置を適用した場合のビーム形状およびパワー分布　
　　。を示す図、第７図はこの考案によるビーム遮蔽装置を適
用した場合の加工結果を示す断面図である。１・・・レーザビーム、３・・・集光レンズ、４°・・
・被加工物、７・・・レーザ発振器、１１・・・ビーム
遮蔽装置。なお、図中、同一符号は同〒、又は相当部分を示す。Figure 1 is a cross-sectional side view showing a conventional laser processing device;
The figure shows the shape and power distribution of the laser beam irradiated onto the surface of the workpiece using the conventional device, FIG. 3 shows the machining results using the conventional device, and FIG. 4 shows the beam shielding which is an example of this invention. 5 is a perspective view showing the configuration of a beam shielding device which is an embodiment of this invention, and FIG. 6 is a beam diagram when the beam shielding device according to this invention is applied. Shape and power distribution
. FIG. 7 is a sectional view showing processing results when the beam shielding device according to this invention is applied. 1... Laser beam, 3... Condensing lens, 4°...
- Workpiece, 7... Laser oscillator, 11... Beam shielding device. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

In an apparatus that performs a predetermined processing on a workpiece by irradiating the workpiece with a laser beam emitted from a laser oscillator, the laser beam is placed on the laser beam optical path between the laser oscillator and the workpiece. Shield only the outer periphery of the
Laser processing characterized in that a beam shielding device is provided, the surface of which comes into contact with the laser beam has an acute angle with respect to the laser beam axis, and the surface is constituted by a laser beam absorber whose main component is carbon. Device.