B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 26/02 (2006.01) B23K 26/04 (2006.01)
Patent
CA 2319293
A heavy-duty laser plate cutting machine capable of cutting heavy plate but which can also operate on lighter sheet metal at commercial production rates. The machine includes a laser source having an output power of 3 kilowatts or more. The machine is preferably of the flying optic configuration, and an automatic beam control system is interposed between the laser source and a focusing optic carried in the cutting head. The cutting head, in addition to normal z axis control, has an adjustment to position the focal spot relative to the workpiece. The focal spot can be driven into the workpiece when cutting heavy plate. The cutting head is configured to carry focusing optics having different focal lengths, such as those suitable for thick plate and thin sheet. The x and y axes include linear motors to precisely traverse the bridge and cutting head along the axes at speeds suitable for heavy plate, and at higher speeds suitable for thinner sheet. Provision is also made for easily aligning or squaring the bridge to the x axis.
Cole Ira E. III
Scott William B.
Marks & Clerk
W. A. Whitney Co.
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