Method permitting the increase of operations of cold pilger mill

Details Method permitting the increase of operations of cold pilger mill Method permitting the increase of operations of cold pilger mill

1985-01-02

1987-04-21

Larson, Lowell A.

Metal deforming

With cleaning, descaling, or lubrication of work or product

Lubricating

72208, 72214, B21B 4502

Patent

active

046586172

ABSTRACT:
The method consists of a cold pilger mill to effect a recoil movement of the chuck upstream followed by a return to its original position, at least once per rolling cycle. The period during which the mandrel is withdrawn with respect to its rolling position is used advantageously for example to carry out the rotation of the mandrel and/or to cause a lubricant under pressure to circulate between the mandrel and the pipe. The method is applied particularly to the rolling of pipes with a large section, with high reduction rates.

REFERENCES:
patent: 3813911 (1974-06-01), Bibighaus
patent: 4184352 (1980-01-01), Potapou et al.

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