Investigation of Critical Process Parameter of Liquid Die Forging of Roller

Yang Miao; Xing Shuming; Bao Peiwei

doi:10.15980/j.tzzz.2014.08.030

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Investigation of Critical Process Parameter of Liquid Die Forging of Roller
Vol. 34, Issue 8, Pages: 820-823(2014)
Published： 2014 ，
DOI： 10.15980/j.tzzz.2014.08.030

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[1]杨淼,邢书明,鲍培伟.轧辊挤压铸造关键工艺参数的研究[J].特种铸造及有色合金,2014,34(08):820-823.

Yang Miao, Xing Shuming, Bao Peiwei. Investigation of Critical Process Parameter of Liquid Die Forging of Roller. [J]. Special Casting & Nonferrous Alloys 34(8):820-823(2014)
[1]杨淼,邢书明,鲍培伟.轧辊挤压铸造关键工艺参数的研究[J].特种铸造及有色合金,2014,34(08):820-823. DOI： 10.15980/j.tzzz.2014.08.030.

Yang Miao, Xing Shuming, Bao Peiwei. Investigation of Critical Process Parameter of Liquid Die Forging of Roller. [J]. Special Casting & Nonferrous Alloys 34(8):820-823(2014) DOI： 10.15980/j.tzzz.2014.08.030.

摘要

提出了利用挤压铸造工艺制造轧辊

并根据材料力学和凝固理论导出了轧辊挤压铸造工艺中开始加压时间和保压时间的定量计算模型。同时

结合轧辊挤压铸造工作原理

定义了该零件挤压铸造时的浇注高度

并给出了其计算公式。通过数值模拟软件ProCAST对规格为175mm×480mm的轧辊进行模拟及其缩小样的验证试验

结果表明该轧辊在挤压铸造工艺下无缩孔、缩松等缺陷。

Abstract

The roller manufactured by liquid die forging technology was conducted.And according to the theory of materials mechanics and solidification

the quantitative calculation model of the start-pressure time and the hold-pressure time of liquid die forging rollers was derived.Meanwhile

combining with the working principle of the liquid die forging technology of rollers

the pouring height of rollers during squeezing casting process was presented

and its computation formula was given.Through ProCAST to analysis the roller with the specification175mm×480mm and the verification test of smaller sample of the roller

absence of defects such as shrinkage cavities and porosities in the squeezing casting roller can be observed.

关键词

挤压铸造(液态模锻)轧辊开始加压时间保压时间浇注高度

Keywords

Liquid Die ForgingRollerStart-Pressure TimeHold-Pressure TimePouring Height

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Solidification Process of Electromagnetic Compound Casting Roller