Metallurgical apparatus – Means for cutting solid metal with heat – e.g. – blowpipes – With pattern control means
Patent
1975-09-18
1978-02-07
McGlynn, Joseph H.
Metallurgical apparatus
Means for cutting solid metal with heat, e.g., blowpipes
With pattern control means
250202, B23K 710
Patent
active
040723011
ABSTRACT:
A contour tracing apparatus in which the coordinate drive motors are cantilever supported on simple plates and needle thrust bearings to permit the motor pinions to be spring biased into engagement with the respective racks for moving the scanning head and associated tool. Kerf offset is provided by rotation of the scanning head optical assembly about a pivot member, which can be translated along a zero kerf adjustment line to provide forward offset. The pivot member is also eccentrically rotatable in response to rotation of the optical assembly about another axis to properly align the photocells of the optical assembly with a zero kerf mark. The optical assembly includes a plurality of lamps spaced about the photocells and one integral lens structure having annular prism surfaces encircling a convex lens surface to direct light from the lamps to the contour and from the contour to the cells.
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Bell Paul A.
McGlynn Joseph H.
Stewart-Warner Corporation
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