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Research on Tolerance Rate of Additional Wall Thickness for Three-roll Mandrel Pipe Mill
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He-ping Gao1, Zhen Lin1, Zeng-hai Wang1, Bo Wen1, Zhi-feng Bai1, Dong-qing Guo2
Rare Earth Steel | 2021, 47(3) : 89 - 94
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Rare Earth Steel | 2021, 47(3): 89-94
• Equipment and Automation •
Research on Tolerance Rate of Additional Wall Thickness for Three-roll Mandrel Pipe Mill
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He-ping Gao1, Zhen Lin1, Zeng-hai Wang1, Bo Wen1, Zhi-feng Bai1, Dong-qing Guo2
Affiliations
  • 1.Steel Tube Co. of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
  • 2.Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
Published: 2021-06-25 doi: 10.13647/j.cnki.btgkj.2021.03.025
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The tolerance rate of additional wall thickness for mandrel pipe mill is an important parameter to control the accuracy of wall thickness for steel pipe and main basis of selecting corresponding mandrel series for a pass. In the paper, the calculation formula for tolerance rate of additional wall thickness for three-roll mandrel pipe mill is derived as well as the additional tolerance values of reducing and increasing diameter of pass are simulated in pass detail and the simulated results are consistent with the calculated values. The result of variation for wall thickness calculated by this formula is basically the same as that calculated by external mathematical model.

mandrel pipe mill  /  equivalent wall thickness  /  diameter of pass  /  additional tolerance rate
高和平, 林震, 王增海, 温博, 白志峰, 郭冬青. 三辊连轧管机附加壁厚公差率研究. 包钢科技, 2021 , 47 (3) : 89 -94 . DOI: 10.13647/j.cnki.btgkj.2021.03.025
He-ping Gao, Zhen Lin, Zeng-hai Wang, Bo Wen, Zhi-feng Bai, Dong-qing Guo. Research on Tolerance Rate of Additional Wall Thickness for Three-roll Mandrel Pipe Mill[J]. Science & Technology of Baotou Steel, 2021 , 47 (3) : 89 -94 . DOI: 10.13647/j.cnki.btgkj.2021.03.025
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Year 2021 volume 47 Issue 3
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doi: 10.13647/j.cnki.btgkj.2021.03.025
  • Receive Date：2021-05-06
  • Online Date：2026-10-20
  • Published：2021-06-25
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History
  • Received：2021-05-06
Affiliations
    1.Steel Tube Co. of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
    2.Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
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表12种不同金属材料的力学参数
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Family		 属数
Number of
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Number of
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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