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·1174· 工程科学学报,第38卷,第8期 [4 Neugebauer R,Kolbe M,Glass R.New warm forming processes 1708948 to produce hollow shafts.JMater Process Technol,2001,119 (1 -3):277 [5]Neugebauer R,Glass R,Kolbe M,et al.Optimisation of process- ing routes for cross rolling and spin extrusion.J Mater Process Technol,2002,125-126:856 [6]Bartnicki J,Pater Z.The aspects of stability in cross-wedge rolling 图15采用反正楔组合模具的模拟结果 processes of hollowed shafts.J Mater Process Technol,2004,155 Fig.15 Simulation result with the combined tool -156:1867 7]Bartnicki J,Pater Z.Numerical simulation of three-rolls cross- (2)采用反楔堆轧工艺,金属在反楔的作用下向 wedge rolling of hollowed shaft.J Mater Process Technol,2005, 轴肩位置流动,内壁的轴向流动趋势显著大于外壁,使 164-165:1154 轴肩位置的金属得到补充,从而实现轧件轴肩的壁厚 [8]Urankar S,Lovell M,Morrow C,et al.Establishment of failure 增加. conditions for the cross-wedge rolling of hollow shafts.J Mater (3)压下量和轧制长度对反楔轧制轴肩壁厚增厚 Process Technol,2006,177(1)545 [9]Urankar S,Lovell M,Morrow C,et al.Development of a critical 影响较大,为保证轴肩壁厚增加率又节省模具辊面长 friction model for cross wedge rolling hollow shafts.J Mater 度,确定反楔轧制长度为40mm,壁厚增加18%. Process Technol,2006,177(1)539 (4)经轧制试验验证,本文的有限元模型是可 [10]Chen E P,Yang Y M,Wang MT,et al.Compare and analysis 靠的 of the forming process of hollow part with mandrel and without mandrel by 3-oll cross wedge rolling.Plast Eng,2008,15 参考文献 (4):81 (陈恩平,杨永明,王敏婷,等.空心件带芯棒轧制与空心轧 1]Hu Z H.Zhang K S,Wang B Y,et al.The Forming Technology 制成形过程的比较分析.塑性工程学报,2008,15(4):81) and Simulation of Parts with Cross Wedge Rolling.Beijing:Metal- [11]Du FS,Wang F X,Yang Y,et al.Study on compacting mecha- lurgical Industry Press,2004 nism of hollow workpiece by 3-roll cross wedge rolling.China (胡正寰,张康生,王宝雨,等.楔横轧零件成形技术与模拟 Mech Eng,2005,16(24):2242 仿真。北京:治金工业出版社,2004) (杜风山,汪飞雪,杨勇,等.三辊楔横轧空心件成形机理的 Zhang K S,Liu J P,Wang B Y,et al.Analysis on stable rolling 研究.中国机械工程,2005,16(24):2242) condition of hollow workpiece rolled by cross wedge rolling.Unir [12]Ding W,Yang C P,Zhang K S,et al.Thermomechanical cou- Sci Technol Beijing,2001,23(2)155 pled numerical simulation on cross wedge rolling of hollow shaft (张康生,刘晋平,王宝雨,等.楔横轧空心件稳定轧制条件 parts with equal inner diameter.I Unir Sci Technol Beijing, 分析.北京科技大学学报,2001,23(2):155) 2010,32(4):525 3]Liang JC.Ren G S,Bai Z B,et al.Experimental study of flat (丁髒,杨翠苹,张康生,等.楔横轧等内径空心轴的热力耦 press and non-stability about rolling of hollow parts.J Jilin Unir 合数值模拟.北京科技大学学报,2010,32(4):525) Technol,.1994,24(4):78 [13]Yang C P,Hu Z H.Research on the ovality of hollow shafts in (粱继才,任广生,白志斌,等.空心件楔横轧压扁失稳的试 cross wedge rolling with mandrel.Int J Ade Manuf Technol, 验研究.吉林工业大学学报,1994,24(4):78) 2016,83(1-4):67工程科学学报,第 38 卷,第 8 期 图 15 采用反正楔组合模具的模拟结果 Fig. 15 Simulation result with the combined tool ( 2) 采用反楔堆轧工艺,金属在反楔的作用下向 轴肩位置流动,内壁的轴向流动趋势显著大于外壁,使 轴肩位置的金属得到补充,从而实现轧件轴肩的壁厚 增加. ( 3) 压下量和轧制长度对反楔轧制轴肩壁厚增厚 影响较大,为保证轴肩壁厚增加率又节省模具辊面长 度,确定反楔轧制长度为 40 mm,壁厚增加 18% . ( 4) 经轧制试验验证,本文的有限元模 型 是 可 靠的. 参 考 文 献 [1] Hu Z H,Zhang K S,Wang B Y,et al. The Forming Technology and Simulation of Parts with Cross Wedge Rolling. Beijing: Metal￾lurgical Industry Press,2004 ( 胡正寰,张康生,王宝雨,等. 楔横轧零件成形技术与模拟 仿真. 北京: 冶金工业出版社,2004) [2] Zhang K S,Liu J P,Wang B Y,et al. Analysis on stable rolling condition of hollow workpiece rolled by cross wedge rolling. J Univ Sci Technol Beijing,2001,23( 2) : 155 ( 张康生,刘晋平,王宝雨,等. 楔横轧空心件稳定轧制条件 分析. 北京科技大学学报,2001,23( 2) : 155) [3] Liang J C,Ren G S,Bai Z B,et al. Experimental study of flat press and non-stability about rolling of hollow parts. J Jilin Univ Technol,1994,24( 4) : 78 ( 梁继才,任广生,白志斌,等. 空心件楔横轧压扁失稳的试 验研究. 吉林工业大学学报,1994,24( 4) : 78) [4] Neugebauer R,Kolbe M,Glass R. New warm forming processes to produce hollow shafts. J Mater Process Technol,2001,119 ( 1 - 3) : 277 [5] Neugebauer R,Glass R,Kolbe M,et al. Optimisation of process￾ing routes for cross rolling and spin extrusion. J Mater Process Technol,2002,125 - 126: 856 [6] Bartnicki J,Pater Z. The aspects of stability in cross-wedge rolling processes of hollowed shafts. J Mater Process Technol,2004,155 - 156: 1867 [7] Bartnicki J,Pater Z. Numerical simulation of three-rolls cross￾wedge rolling of hollowed shaft. J Mater Process Technol,2005, 164--165: 1154 [8] Urankar S,Lovell M,Morrow C,et al. Establishment of failure conditions for the cross-wedge rolling of hollow shafts. J Mater Process Technol,2006,177( 1) : 545 [9] Urankar S,Lovell M,Morrow C,et al. Development of a critical friction model for cross wedge rolling hollow shafts. J Mater Process Technol,2006,177( 1) : 539 [10] Chen E P,Yang Y M,Wang M T,et al. Compare and analysis of the forming process of hollow part with mandrel and without mandrel by 3-roll cross wedge rolling. J Plast Eng,2008,15 ( 4) : 81 ( 陈恩平,杨永明,王敏婷,等. 空心件带芯棒轧制与空心轧 制成形过程的比较分析. 塑性工程学报,2008,15( 4) : 81) [11] Du F S,Wang F X,Yang Y,et al. Study on compacting mecha￾nism of hollow workpiece by 3-roll cross wedge rolling. China Mech Eng,2005,16( 24) : 2242 ( 杜凤山,汪飞雪,杨勇,等. 三辊楔横轧空心件成形机理的 研究. 中国机械工程,2005,16( 24) : 2242) [12] Ding W,Yang C P,Zhang K S,et al. Thermomechanical cou￾pled numerical simulation on cross wedge rolling of hollow shaft parts with equal inner diameter. J Univ Sci Technol Beijing, 2010,32( 4) : 525 ( 丁韡,杨翠苹,张康生,等. 楔横轧等内径空心轴的热力耦 合数值模拟. 北京科技大学学报,2010,32( 4) : 525) [13] Yang C P,Hu Z H. Research on the ovality of hollow shafts in cross wedge rolling with mandrel. Int J Adv Manuf Technol, 2016,83( 1--4) : 67 · 4711 ·
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