叙述了宝钢1550轧机大型支承辊的制造难点、所采取的技术对策及最后的制造质量。通过相应的基础研究和模拟试验，上重厂已生产出了满足严格技术要求的这种大型支承辊。
The difficulties occurred during manufacture of Baosteel 1550 mm large back up roll wereintroduced, as well as the technical counterplot adopted. The manufacturing quality of the rolls showed that this kind of largesteel back up roil up to the strict technical requirements had been successfully manufactured based on the relative basic researchand simulation test.
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