Method for power clamping work pieces

Details Method for power clamping work pieces Method for power clamping work pieces

1979-06-25

1982-03-09

Bilinsky, Z. R.

Metal deforming

Process

72393, 82 8, 82 40R, 279 2A, 279123, B21D 3100, B23B 3116, B23B 3118

Patent

active

043182933

ABSTRACT:
According to the present method and apparatus work pieces such as railroad wheels are power clamped on a cone shaped inwardly facing side. In a first clamping step clamping areas are impressed into the side or surface of the work piece said clamping areas having a suitable inclination. In a second clamping step the actual power clamping is performed at these clamping areas. For this purpose a plurality of radially moving clamping jaws are arranged to carry at least one clamping tooth. Each clamping tooth in turn is adjustable in its position in an axial direction along its respective radially moveable clamping jaw.

REFERENCES:
patent: 566702 (1896-08-01), Sellers
patent: 1605173 (1926-11-01), Cole
patent: 1725330 (1929-08-01), Blau
patent: 2067618 (1937-01-01), Pachta
patent: 2473935 (1949-06-01), Ashton

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