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摘要：
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以内径Φ105 mm、外径Φ170 mm、质量约4 kg的从动螺旋齿轮坯为研究对象，采用开式双辊摆辗方式对从动齿轮坯进行整形，通过对毛坯形状尺寸的研究，使锻件单边余量控制在1 mm以内，可极大地提高材料利用率，并在保证成品率的基础上大大提高了机加工的效率，具有很好的经济效益。利用Deform-3D软件分析了从动螺旋齿轮坯摆辗整形工艺，通过对毛坯尺寸的控制，可以得到下端面无飞边、上端面少飞边且内外径符合要求的环件，提高了24.59%的材料利用率，并且减少了机加工工序、简化了工艺过程、提高了生产效率、较大地提高了齿轮坯的精度。以此为依据指导生产实践，缩短了生产周期。通过整形试验得到了符合要求的终锻件，证明了该摆辗整形工艺的合理性和可行性，并进行了小批量试生产，试验结果良好。
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For the driven spiral gear blank with internal diameter Ф105 mm, external diameter Ф170 mm and weight about 4 kg，the driven gear blank was shaped by open-type double-roller rotary forging. Based on the research of the shape and dimension of blank, the unilateral allowance of forgings was controlled within 1 mm to greatly increase the material utilization, and on the basis of ensuring the product qualification rate, the efficiency of machining was improved greatly to obtain the good economic benefit. Then, the rotary forging and shaping process of driven spiral gear blank was analyzed by Deform-3D software, and the qualified forgings without flash on the lower end face, with less flash on the upper end face and inner and outer diameters in accordance with requirements were gained by controlling the blank dimensions to improve the material utilization rate by 24.59%, which reduced the machining steps, simplified the process, increased the production efficiency and significantly improved the accuracy of gear blank. Thus, on this basis, the production practice was guided, and the production cycle was shortened. Furthermore, the final forgings were obtained by shaping test, the rationality and feasibility of the rotary forging and shaping process were proved. Finally, the small batch trial production was conducted, and the test results were good.
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基金项目：
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国家自然科学基金面上项目（51875427）；重庆市技术创新与应用示范专项产业类重点研发项目(cstc2018jszx-cyzdX0094)
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作者简介：
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白倩倩（1994-），女，硕士，工程师，E-mail：185674916@qq.com；通讯作者：朱春东（1963-），男，硕士，教授，E-mail：zhuchundong@whut.edu.cn
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参考文献：
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[1]华林，黄兴高，朱春东. 环件轧制理论和技术[M]. 北京：机械工业出版社，2001.
Hua L, Huang X G, Zhu C D. Ring Rolling Theory and Technology[M]. Beijing: China Machine Press,2001.
[2]兰箭,左治江，韩星会, 等. 内台阶锥形环件辗扩锻件设计方法研究[J].塑性工程学报，2006，13（2）:51-55.
Lan J, Zuo Z J, Han X H, et al. Research on design method of conical ring with inner steps for rolling process [J]. Journal of Plasticity Engineering，2006，13（2）:51-55.
[3]钱东升，华林，左治江, 等. 环件轧制三维有限元模拟中质量缩放方法的运用[J].塑性工程学报，2005，12（5）：86-91.
Qian D S, Hua L, Zuo Z J, et al. Application of mass scaling in simulation of ring rolling by three-dimensional finite element method [J].Journal of Plasticity Engineering，2005，12（5）:86-91.
[4]韩星会，华林，兰箭，等. LD10 内台阶锥形环件热轧模拟和实验研究[J].武汉理工大学学报，2007, 29（11）：7-10.
Han X H, Hua L, Lan J, et al. Simulation and experimental study of hot rolling of LD10 conical ring with inner steps [J]. Journal of Wuhan University of Technology，2007, 29（11）：7-10.
[5]吴涛. 双锥辊辗压成形工艺分析与应用研究[D].武汉：武汉理工大学，2007.
Wu T. The Twin Cone Roll Axial Mill to Control Molding Processes Analysis and Application Studies[D].Wuhan: Wuhan University of Technology，2007.
[6]陈孝庆，郭良刚，杨合，等. TC4 钛合金锥形环辗轧坯料仿真优化设计[J].塑性工程学报，2014, 21（2）：25-31.
Chen X Q, Guo L G, Yang H, et al. Study on blank optimization design of conical ring rolling process for TC4 titanium alloy by numerical simulation [J]. Journal of Plastic Engineering, 2014, 21（2）：25-31.
[7]朱春东，史双喜，华林. 对称双辊轴向轧制从动螺旋锥齿轮新工艺[J].中国机械工程，2009,20(15):1877-1879.
Zhu C D, Shi S X, Hua L. New technology of twin symmetry roll axial rolling passive spiral bevel gears [J]. China Mechanical Engineering, 2009, 20 (15):1877-1879.
[8]胡亚民，何怀波，牟小云，等.摆动辗压工艺及模具设计[M]. 重庆: 重庆大学出版社，2001.
Hu Y M. He H B, Mou X Y, et al. Swinging Rolling Process and Mold Design[M].Chongqing: Chongqing University Press，2001.
[9]郭良刚，邸伟佳，杨合，等. 难变形材料环件双向辗轧过程轧制曲线设计方法[J].机械工程学报，2014，50（16）：83-88.
Guo L G, Di W J, Yang H, et al. Design method of rolling curve during radial-axial ring rolling process for difficult-to-deform materials [J]. Journal of Mechanical Engineering, 2014，50（16）：83-88.
[10]王以华. 锻模设计技术及实例[M]. 北京: 机械工业出版社，2009.
Wang Y H. Forging Die Design Technology and Examples [M]. Beijing: China Machine Press, 2009.
[11]程孟彪. 从动螺旋齿轮坯成形工艺优化[D]. 武汉：武汉理工大学, 2011.
Cheng M B. Optimization of Forming Process for Driven Helical Gear [D]. Wuhan: Wuhan University of Technology，2011.
[12]田福祥.新型从动锥齿轮坯闭式精锻模设计[J].锻压装备与制造技术，2004, 39(2):75-76.
Tian F X. Design of new type of closed precision forging dies for blank of driven bevel gear [J]. China Metalforming Equipment & Manufacturing Technology, 2004, 39(2):75-76.
[13]罗洲，华林，周勇强，等. 环件轧制过程的显式有限元模拟分析[J].塑性工程学报，2004，11（1）：68-70.
Luo Z, Hua L, Zhou Y Q, et al. Simulation of ring rolling process using explicit finite element method [J]. Journal of Plastic Engineering, 2004，11（1）：68-70.
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