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| A MATHEMATICAL TREATMENT ON DEFORMATION ZONE IN TWO-ROLLS PIERCING |
| Chen Huibo (Taiyuan Heavy Machinery Plant) (Manuscript received 10 October; 1981) |
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Cite this article:
Chen Huibo (Taiyuan Heavy Machinery Plant) (Manuscript received 10 October; 1981). A MATHEMATICAL TREATMENT ON DEFORMATION ZONE IN TWO-ROLLS PIERCING. Acta Metall Sin, 1982, 18(4): 501-506.
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Abstract A mathematical equation described the metal deformation zone in the piercing process on Mannesmann two rolls mill has been derived. It was evidenced that the rolling-pass of the Mannesmann rolls is non-linear and the non-linear barrel-shaped rolls are unfavourable for further increasing the production capacity with high effeciency and improving the tube quality. Therefore, they should be replaced by a roller configuration with cross or compound curve. The confirmation of the aforementioned results was achieved by industrial practice.
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Received: 18 April 1982
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