Features of Piercing Mill TPA 50-200 Working Roll Wear During Rolling Continuously-Cast and Hot-Rolled Billets

Results are provided for a study of the effect of barrel-shaped and bowl-shaped working rollers of a screw rolling piercing mill with guide bars of a 50–200 pipe rolling unit. By using a fundamentally new concept for describing the wear mechanism of a roller working surface, a dependence is revealed...

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Bibliographic Details
Published in:	Metallurgist (New York) Vol. 60; no. 9-10; pp. 1062 - 1069
Main Authors:	Romantsev, B. A., Aleshchenko, A. S., Tsyutsyura, V. Yu, Tyshchuk, I. N., Lube, I. I.
Format:	Journal Article
Language:	English
Published:	New York Springer US 2017 Springer
Subjects:	Billet mills Billets Characterization and Evaluation of Materials Chemistry and Materials Science Hot rolling Machine tools Materials Science Metallic Materials Piercing Pipe and tube industry Rollers Rolling mills Tool industry Wear Wire continuously-cast billet material life piercing wear hot-rolled billet screw rolling mill working rollers
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Summary:	Results are provided for a study of the effect of barrel-shaped and bowl-shaped working rollers of a screw rolling piercing mill with guide bars of a 50–200 pipe rolling unit. By using a fundamentally new concept for describing the wear mechanism of a roller working surface, a dependence is revealed for worn part volume on amount of rolled continuously-cast and hot-rolled billets 90–260 mm in diameter. The level of material wear durability and working roller loss, restored by hard facing with flux-cored wire grade 18KhGSA in relation to amount of pierced billets, are established.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0026-0894 1573-8892
DOI:	10.1007/s11015-017-0408-x