Cold pilger mill

Details Cold pilger mill Cold pilger mill

1983-12-14

1986-01-07

Larson, Lowell A.

Metal deforming

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

Sensing tool or tool-linked part

72 21, 72214, 72250, 414431, B21B 3700, B21B 2104

Patent

active

045627134

ABSTRACT:
A cold pilger mill including a rolling mechanism for intermittently rolling a tubular material over a mandrel to a reduced-diameter pipe. A detector is associated with the rolling mechanism for detecting the rolling phase in the rolling mechanism. A feeding mechanism for feeding the material in the axial direction and a turning mechanism for turning the material and the mandrel are respectively provided with their own motors. A controller is also provided to receive a signal from the detector and supply operation signals to the respective motors of the feeding mechanism and the turning mechanism so that these mechanisms are operated at completion of each rolling stroke.

REFERENCES:
patent: 3344644 (1967-10-01), Fahrenholz
patent: 4037444 (1977-07-01), Ledebor et al.
patent: 4062213 (1977-12-01), Schneider et al.
patent: 4120185 (1978-10-01), Schneider et al.
patent: 4206620 (1980-06-01), Eaton
Cold Pilgering of Tubes, publication of Demag Meer Co., West Germany (no date).

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