Metal deforming – With use of control means energized in response to activator... – Metal deforming by use of roller or roller-like tool element
Patent
1977-06-06
1978-10-03
Mehr, Milton S.
Metal deforming
With use of control means energized in response to activator...
Metal deforming by use of roller or roller-like tool element
72 21, 72 8, 72173, B21D 708, B21D 714
Patent
active
041177029
ABSTRACT:
Pinch and pyramid roll forming machines for contouring elongate, tapered structural members are disclosed. Each of the rolls of the pinch and pyramid roll forming machines is segmented and selected segments are mounted such that they are transversely position adjustable with respect to their axis of rotation. The positions of the position controllable segments are controlled by power operated, transversely movable cages that surround a portion of these segments. In pinch roll forming machines, other, corresponding, selected segments of the pinch rolls are semi-floating and follow the movement of the position controllable segments. In both types of machines, the segmented roll arrangement results in the ability to control the roll profiles so that they match the cross-section of a tapered part as it is being contoured.
REFERENCES:
patent: 3535903 (1970-10-01), Abernathy et al.
patent: 3557593 (1971-01-01), Bollig et al.
Mehr Milton S.
The Boeing Company
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