Transactions of Materials and Heat Treatment

Title：Rolling process for profiled rings with abrupt curve

Authors： Jiang Qichen Chen Hao Feng Jiwei Jiang Peng Zhang Duming Qi Ran Zhao Hui Wei Wu Jin Hong

Unit： Beijing North Vehicle Group Corporation Beijing Research Institute of Mechanical & Electrical Technology Ltd.

KeyWords： profiled ring ring rolling abrupt curve blanking process rigid translation theory

ClassificationCode：TG335

year,vol(issue):pagenumber：2019,44(7):101-105

Abstract：

For the wear-resistant profiled ring whose cross section was composed of rectangle and abrupt curves, its rolling technology was proposed. Based on the ring forging drawing, the combination of integral driving roller and cylindrical core roller was determined, and the deformation degree, shape and size of ring rolled blank were calculated based on the rigid translation theory to avoid the defects such as filling dissatisfaction, fish tail and size deviation caused by the unreasonable blank design during the rolling process. Then, the loose toolings used for blanking were designed, and the blanking process was determined after comparing with the free forging method. Furthermore, the blanking process was optimized to guarantee the dimension accuracy and efficiency of blanking process. Finally, the method as mentioned was proved to be stable and reliable by the practical production. Thus, the proposed method is low cost, excellent efficiency and high material utilization rate, and the obtained profiled rings are of good internal quality and high precision.

Funds：

蒋起臣（1973-），男，学士，高级工程师，E-mail：whyjqc@sina.com

Reference：

[1]华林.环件轧制理论和技术[M].北京：机械工业出版社, 2001.

Hua L. Theory and Technology of Ring Rolling[M].Beijing: China Machine Press, 2001.

[2]Allwood J M, Kopp R, Mechels D, et al. The technical and commercial potential of an incremental ring rolling process[J]. CIRP Annals-Manufacturing Technology, 2005, 54(1):233-236.

[3]欧阳斌,徐东,范茂艳, 等. GH4169大型异形环件胎模制坯及环轧过程数值模拟[J].模具工业, 2017, 43(10): 13-19，27.

Ouyang B, Xu D, Fan M Y, et al. Numerical simulation of rolling and loose tool per-forming of large scale profiled ring for GH4169 [J]. Die & Mould Industry, 2017，43(10): 13-19,27.

[4]Szabo Z J, Dittrich E. Manufacturing systems for the production of seamless-rolled ring[J]. Journey of Materials Processing Technology, 1996, 60(1-4): 67-72.

[5]华林, 钱东升, 邓加东, 等. 超大型环件轧制理论与技术[J]. 锻压技术, 2018, 43(7): 17-31.

Hua L，Qian D S，Deng J D，et al. Theory and technology of super-large ring rolling [J]. Forging & Stamping Technology, 2018, 43(7): 17-31.

[6]陈孝庆, 孟瑞斌, 唐甲浪, 等. 内台阶型环件径轴向辗轧技术[J]. 锻压技术, 2018, 43(4): 94-99.

Chen X Q，Meng R B，Tang J L，et al. Radial-axial rolling technology for ring with inner steps [J]. Forging & Stamping Technology, 2018, 43(4): 94-99.

[7]Davey K, Ward M J. The practicalities of ring rolling simulation for profiled rings[J]. Journal of Materials Processing Technology, 2002, 125(1): 619-625.

[8]顾森东, 张立文, 张驰, 等. L形截面环件径轴向轧制过程数值模拟与工艺优化[J]. 锻压技术, 2017, 42(5): 48-51.

Gu S D, Zhang L W, Zhang C, et al. Numerical simulation and process optimization on radial-axial rolling process for L-shaped cross-sectional ring[J]. Forging & Stamping Technology, 2017, 42(5): 48-51.

[9]Park M, Lee C, Lee J, et al. Development of L-sectioned ring for construction machines by profile ring rolling process[J]. International Journal of Precision Engineering & Manufacturing, 2016, 17(2):233-240.

[10]王志军, 齐会萍, 付建华. 基于锻坯的大型内台阶环件双件轧制[J]. 锻压技术, 2017, 42(2):82-86.

Wang Z J, Qi H P, Fu J H. Study on two-piece rolling for large inner step based on forging stock[J]. Forging & Stamping Technology, 2017, 42(2): 82-86.

[11]华林, 吴敏, 贾耿伟, 等. GCr15环件冷轧-淬火中的组织演化[J]. 武汉理工大学学报, 2010, 32(15):35-38.

Hua L,Wu M,Jia G W, et al. Microstructure evolution law of steel GCr15 in process of cold ring rolling-queenching[J]. Journal of Wuhan University of Technology, 2010, 32(15):35-38.

[12]戴玉同,马琦.大型复杂环件轧制工艺发展现状与对策[J].锻造与冲压, 2013, (15): 50-53.

Dai Y T, Ma Q. Development status and countermeasure of large and complex ring rolling technology[J]. Forging & Metalforming, 2013, (15): 50-53.

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