Visual confirmation of the actual process is possible.
Compact size enables easy replacement for existing production line. You can select the focal length from 40, 50, 70, 90, 120, and 150mm. (Special specification available) |
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■ Focus unit with CCD camera
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For applications having difficulty of direct visual confirmation, the focus unit with CCD camera provides a clear view of the process area through a monitor screen.
With this focus unit, physical process position can be precisely adjusted, and the image recognition is helpful for production automation.
Coaxial incident fiber, ring, or side fiber type can be chosen for lighting. You can select the focal length from 40, 50, 70, 90, 120, and 150mm. (Special specification available)
A focus unit with a high focus lens is optional. |
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■ Optical fiber
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Optical fiber
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| Step-index optical fiber(SI optical fiber) |
Graded-index optical fiber(GI optical fiber) |
Core diameter
[0/1/0.2/0.3/0.4/0.6/0.8/1.0/1.2mm] |
Core diameter
[0/1/0.2/0.3/0.4/0.6/0.8/1.0/1.2mm] |
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Selection of optical fiber
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For small spot diameter
- use optical fiber of small diameter
- use optical system of low image formation rate
- use GI optical fiber
For large spot diameter
- use optical fiber of large diameter
- use optical system of high image formation rate
- use SI optical fiber and long focal length
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For deep melt process
- use optical system of high image formation rate
- use GI optical fiber
Monitor screen viewer
- use focus unit with CCD camera
Simultaneous multiple laser process
- use multiple lenses
- use simultaneous 2, 3, 4 beam split system
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Technical information |
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■ Process optical system
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As optical system, fixed optical system and fiber optical system are selectable. Their features are as follows.
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Fixed optical system
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Suitable for small spot diameter of 100um or the less, by direct focus of laser beam
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Fiber optical system
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- Variable spot diameter by the image formation rate of optical system and the core diameter of fiber
- Suitable for simultaneous multiple laser process with beam split and optical fiber
- Space saving for automation system
- By material of application, suitable core diameter of SI fiber or GI fiber can be selectable.
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Fixture |
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In laser welding process, workpiece fixing is very important. Recently processes for small parts are increasing, and positioning of workpiece is getting difficult. While thick workpiece welding can allow small gap between the parts, thin workpiece requires severe contact between them. Welding gap between thin parts may make blowhole.
In case of automation production, inadequate positioning makes troubles. With proper fixtures, automation system can be materialized. Special fixture design may be required by the workpiece shape.
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