发明名称 |
MANDREL BAR CLEANING FACILITY |
摘要 |
<p>It is an object of the present invention to provide a mandrel bar cleaning facility capable of effectively suppressing carburization generated on the inner surface of a pipe or tube while the pipe or tube is elongated and rolled without hindering an operation. A mandrel bar cleaning facility 15 of the present invention cleans a mandrel bar B which is pulled out of a mandrel bar conveying line after being used for elongating and rolling a pipe or tube in a mandrel mill 8. The mandrel bar cleaning facility 15 is provided with conveying devices 17, 18 that convey the mandrel bar B in the axial direction while revolving the mandrel bar B in the peripheral direction, and cleaning devices 1d that are arranged oppositely to the side of the mandrel bar B conveyed by the conveying devices 17, 18, and jet high-pressure water having a water pressure of 0.2 to 150 MPa (preferably, 20 to 150 MPa) toward the outer surface of the mandrel bar B.</p> |
申请公布号 |
EP2055399(B1) |
申请公布日期 |
2013.12.18 |
申请号 |
EP20070792024 |
申请日期 |
2007.08.06 |
申请人 |
NIPPON STEEL & SUMITOMO METAL CORPORATION |
发明人 |
NAKAIKE, KOUJI;HIDAKA, YASUYOSHI;IIDA, SUMIO |
分类号 |
B21B25/00;B08B1/02;B08B1/04;B21B17/02 |
主分类号 |
B21B25/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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