Transactions of Materials and Heat Treatment

Title：Optimization on plate body forging process and experimental verification

Authors： Yan Hongyan Wang Zhike Jiang Qichen Wang Yongsheng Zhang Duming Wang Lixia Yang Yong

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

KeyWords： plate body upsetting mold wear equivalent stress residual bin

ClassificationCode：TG316

year,vol(issue):pagenumber：2022,47(10):36-41

Abstract：

The forging process of plate body was optimized, the plane upsetting and descaling step in the forging process was optimized to forming upsetting, and the flat shape of the original upsetting was changed to a shape with a lower middle and higher sides to achieve a more reasonable material distribution. Then, by optimizing the shape and height of forming upsetting, the maximum equivalent stress of the final forging mold was reduced by about 30%, and the wear amount of the easy-wear position in the final forging mold was reduced by about 25%, achieving the purpose of improving the final forging mold life. At the same time, the installation position of upper eject rod was optimized, and the residual bin was added at the position of eject rod to increase the material flow space and reduce the force of eject rod, which effectively improved the life of eject rod. Experiments show that the influence of the length of formed upsetting parts on the final forging cannot be ignored, and the length of formed upsetting parts should be less than the length of forgings, otherwise it is easy to folding. Comparing the trial production forgings with the simulation results, it can be confirmed that the optimized forming upsetting step and the eject rod residual bin are effective.

Funds：

闫红艳（1979-），女，硕士，正高级工程师，E-mail：yanhongyan2013@126.com

Reference：

[1]蔡圣，刘欣梅，陈军.薄板渐进成形数值仿真研究进展[J].塑性工程学报，2020,27（4）：1-12.

Cai S，Liu X M, Chen J. Research progress on numerical simulation of incremental sheet forming[J].Journal of Plasticity Engineering，2020,27（4）：1-12.

[2]江荣忠. 墙式阻力毛边槽在复杂锻件中的研究和应用[D]. 南昌：南昌航空大学,2019.

Jiang R Z. Walltype Flash Cave in Complex Forgings Research and Application [D]. Nanchang: Nanchang Hangkong University,2019.

[3]王国丽.工程机械用典型锻件锻造工艺模具设计及成形过程数值模拟[D]. 济南：山东大学, 2013.

Wang G L. Design of Forging Process and Dies and the Numerical Simulation of Typical Forgings for Construction Machinery[D]. Jinan: Shandong University, 2013.

[4]孙兴辰. 推土机履带板锻造全过程工艺设计及质量控制的研究[D]. 济南：山东大学,2019.

Sun X C. Research on Forging Process Design and Quality Control of Bulldozer Crawler Plate [D]. Jinan: Shandong University,2019.

[5]李科锋,孙晓东,陈波,等.薄壁深长筋履带下板体成形工艺研究[J].新技术新工艺,2016,(9):86-88.

Li K F, Sun X D, Chen B, et al. Research on thinwalled deep muscle tracks the lower body forming technology[J].New Tech-nology & New Process,2016,(9):86-88.

[6]李科锋,渠育杰,孔令晶.铝负重轮的设计与工艺研制[J].新技术新工艺,2016,(8):84-88.

Li K F, Qu Y J, Kong L J. Design and process development for aluminum road wheel[J].New Technology & New Process, 2016, (8):84-88.

[7]徐皓，刘江.高强度精密锻钢活塞锻造预锻模具设计及加工关键要点实践研究[J].塑性工程学报，2021,28（11）：50-55.

Xu H，Liu J. Practice research on key points of preforging die design and machining for high strength precision forged steel piston forging[J].Journal of Plasticity Engineering，2021,28（11）：50-55.

[8]石然然,李名尧,王波,等.基于DEFORM-3D的曲轴锻造模具应力分析[J].热加工工艺,2014,43(3):121-123.

Shi R R, Li M Y, Wang B, et al. Die stress analysis of crankshaft forging based on DEFORM-3D[J].Hot Working Technology, 2014, 43(3):121-123.

[9]张松泓,徐颖若.基于响应面法发动机连杆热锻模具磨损失效分析[J].锻压技术,2021,46(7):178-184.

Zhang S H, Xu Y R. Analysis on wear failure of hot forging die for engine connecting rod based on response surface method[J]. Forging & Stamping Technology,2021,46(7):178-184.

[10]马才伏,周兵.汽车三叉式万向节精密成形工艺[J].锻压技术,2021,46(6):41-47.

Ma C F, Zhou B. Precision forming process on automobile trident universal joint[J]. Forging & Stamping Technology, 2021, 46(6):41-47.

[11]赵中里,薛勇杰,吴大鸣,等.热锻模高温摩擦磨损探讨及对策[J].模具工业,2021,47(5):1-5.

Zhao Z L, Xue Y J, Wu D M, et al. High temperature friction and wear behavior of hot forging die and its countermeasures[J]. Die & Mould Industry, 2021, 47(5):1-5.

[12]翟崇琳,唐友亮,徐青青,等.基于正交试验的汽车扭力臂热锻模具磨损分析及优化[J].锻压技术,2021,46(5):185-189.

Zhai C L, Tang Y L, Xu Q Q, et al. Wear analysis and optimization of hot forging mold for automobile torque arm based on orthogonal test[J]. Forging & Stamping Technology, 2021,46(5):185-189.

[13]齐双强.活塞预锻模具磨损失效研究[J].锻压技术,2021,46(3):21-26.

Qi S Q. Research on wear failure for preforging die of piston[J]. Forging & Stamping Technology,2021,46(3):21-26.

[14]杨红超,淳道勇,和永岗,等.GH4169合金叶片挤杆工序模具磨损及寿命的数值模拟分析[J].锻压技术,2021,46(3):198-207.

Yang H C, Chen D Y, He Y G, et al. Numerical simulation analysis on wear and life of mold in bar extrusion process for GH4169 alloy blade[J]. Forging & Stamping Technology,2021, 46(3):198-207.

Service：

【This site has not yet opened Download Service】【Add Favorite】