Apparatus for bending tubular workpieces

Details Apparatus for bending tubular workpieces Apparatus for bending tubular workpieces

1986-05-21

1987-12-15

Crane, Daniel C.

Metal deforming

With use of control means energized in response to activator...

Sensing tool or tool-linked part

72 30, 72297, 72321, 72323, 72306, 72403, 72413, B21D 7024

Patent

active

047124067

ABSTRACT:
A method and apparatus for bending tubular workpieces whereby a tube length is placed in front of a template and selectively driven deforming shoes urge the tube into engagement with the same. Where the desired tubular radii of curvature are relatively large the deforming shoes are driven from a stationary mount. Where shorter tubular radii are desired, generally near the tube ends, the deforming shoes are arranged such that they are incrementally translated along a path commensurable with the contour of the template. At each successive increment the deforming shoes perform a bending operation upon the tube such that it may be successively formed into its desired shape.

REFERENCES:
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patent: 2018040 (1935-10-01), Sweeney
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patent: 2399348 (1946-04-01), Hobbs
patent: 2533470 (1950-12-01), Kapelis
patent: 2557346 (1951-06-01), Green
patent: 2850071 (1958-09-01), Kraybill
patent: 3181331 (1965-05-01), Wishing
patent: 4212188 (1980-07-01), Pinson

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