SWA Laser Welding System
For those Difficult-to-Reach Places
Sisma S.p.A., Piovene Rocchette, Italy, designed its SWA laser welding system especially for mold repair and other open laser welding work on large workpieces. With the fiber coupling, the laser beam is guided flexibly and almost loss-free to the welding head with a 10x stereomicroscope and an LCD shutter as eye protection. The welding head is equipped with a motorized enlarger for specifying the beam diameter, an adjustable LED workpiece illumination and a flexible gas feeder. A color touchscreen for adjusting the laser parameters is also provided here.
The welding head is mounted at the end of a motorized and controlled 3-axis movement. The axis system can additionally be rotated to position the welding head above the workpiece. It can be motor positioned in the x and y directions within a range of 150 mm. Thanks to the universally adjustable welding head, difficult-to-reach places deep within the mold inserts can be very effectively welded. The z-axis can be pivoted through up to 90° and motor positioned in a range of 500 mm, as well as manually adjusted within an overall range of 800 mm. Moreover, it can be programmed on a path in order to execute automatic movements – allowing the unit to operate even on oblique surfaces.
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