| 方/圆坯拉矫机液压系统改造 |
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| 引用本文： | 李文涛. 方/圆坯拉矫机液压系统改造[J]. 天津冶金, 2014, 0(3): 31-34 |
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| 作者姓名： | 李文涛 |
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| 作者单位： | 天津天铁冶金集团热轧板有限公司,河北涉县056404 |
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| 摘 要： | 介绍了天铁热轧3号方/圆坯连铸机的拉矫机液压升降系统改造过程。针对送引锭杆打滑、拉坯时铸坯下滑、铸坯不圆度超差等故障,分析出产生原因。对拉矫机压下液压系统进行了改造,提高了热坯压力控制的精度,消除了故障点,为安全生产提供了可靠保障。
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| 关 键 词： | 拉矫机 液压系统 热坯压力 控制管路 改造 |
Modification of Hydraulic System of Square/Round Billet Withdrawal and Straightening Unit |
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| LI Wen-tao. Modification of Hydraulic System of Square/Round Billet Withdrawal and Straightening Unit[J]. Tianjin Metallurgy, 2014, 0(3): 31-34 |
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| Authors: | LI Wen-tao |
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| Affiliation: | LI Wen-tao (Hot Rolling Plate Company Limited, Tianjin Tiantie Metallurgical Group, She County, Hebei Province 056404, China) |
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| Abstract: | The paper expounds the modification process of hydraulic lifting system of withdrawal and straightening unit of Tiantie Hot Roiling square/round billet caster 3. Analysis was made on faults of dummy bar sliding, billet slippage during withdrawal and exceeding out-of-roundness tolerance. Modification was carried out on the depressing hydraulic system of withdrawal and straightening unit, the precision of hot billet pressure control was improved, the faults removed and the reliable guarantee for safe production provided. |
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| Keywords: | withdrawal and straightening unit hydraulic system hot billet pressure control piping modification |
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