TC4钛合金轴类件楔横轧力能参数影响因素的分析
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摘要
应用DEFORM-3D有限元软件对TC4钛合金轴类件楔横轧进行建模,系统分析坯料直径、成形角、展宽角、断面收缩率等工艺参数对轧制过程中力能参数的影响规律,确认工艺参数对轧制力矩影响的主次顺序。模拟分析结果表明:轧制力矩随成形角的增大而减小,随展宽角和坯料直径的增大而增大,随断面收缩率的增大而先增大后减小;对楔横轧力能参数影响最大的工艺参数是坯料直径,其次是成形角和展宽角,断面收缩率影响最小。通过TC4钛合金轧制试验,验证了模拟分析结果的正确性,为TC4钛合金轴类件的设计提供了参考。
The DEFORM-3D finite element software was used to model the cross wedge rolling of TC4 titanium alloy shaft parts. The impacts of process parameters such as blank diameter, forming angle,widening angle and reduction of area on the force parameters in the rolling process were analyzed systemically, and the primary and secondary order involving impacts of processing parameters to the rolling torque was confirmed. Simulation analysis shows that the rolling torque decreases with the increase of the forming angle, increases with the built-up of widening angle and the blank diameter, and it will increase first and then decrease with the built-up of the reduction of area. The processing parameter that has the greatest influence on the cross wedge rolling force parameter is the blank diameter, followed by the forming angle and the widening angle, and the reduction of area has minimal influence. Through the rolling test of TC4 titanium alloy, the correctness of the simulation analysis results was verified, which provided a reference for the design of TC4 titanium alloy shaft parts.
The DEFORM-3D finite element software was used to model the cross wedge rolling of TC4 titanium alloy shaft parts. The impacts of process parameters such as blank diameter, forming angle,widening angle and reduction of area on the force parameters in the rolling process were analyzed systemically, and the primary and secondary order involving impacts of processing parameters to the rolling torque was confirmed. Simulation analysis shows that the rolling torque decreases with the increase of the forming angle, increases with the built-up of widening angle and the blank diameter, and it will increase first and then decrease with the built-up of the reduction of area. The processing parameter that has the greatest influence on the cross wedge rolling force parameter is the blank diameter, followed by the forming angle and the widening angle, and the reduction of area has minimal influence. Through the rolling test of TC4 titanium alloy, the correctness of the simulation analysis results was verified, which provided a reference for the design of TC4 titanium alloy shaft parts.
引文
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[3]陈政龙,杨晓.钛合金在现代汽车工业中的应用[J].汽车工艺师,2017(9):46-47.
[4]陈燕,杨树宝,傅玉灿,等.钛合金TC4高速切削刀具磨损的有限元仿真[J].航空学报,2013,34(9):2230-2240.
[5]胡正寰,刘晋平.零件轧制技术的现状与展望[J].航空制造技术,2004(3):49-51.
[6]BLOHM T,STONIS M,BEHRENS B A.Investigation o Simulation Parameters for Cross Wedge Rolling Titanium and Bainitic Grade Steel[J].Applied Mechanics and Materials,2015,736:165-170.
[7]LI J L,WANG B Y,JI H C,et al.Effects of the Cross=wedge Rolling Parameters on the Formability of Ti-6Al-4V Alloy[J].The International Journal of Advanced Manufacturing Technology,2017,92(5-8):2217-2229.
[8]TOMCZAK J,PATER Z,BULZAK T.A Rotary Compression Process for Producing Titanium Alloy Ti6Al4VShafts[J].Key Engineering Materials,2016,687:133-140.
[9]束学道,聂广占,李连鹏.楔横轧模具脱空对轧制力影响规律研究[J].中国冶金,2007(7):38-40.
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[11]朱德彪,束学道.工艺参数对楔横轧GH4169合金轴类件力能参数的影响[J].塑性工程学报,2018,25(1):52-59.