CAJ | 학술논문

以某轿车等速万向传动轴为研究对象，利用DEFORM‐3D有限元模拟软件和工艺试验，研究了该等速万向传动中间轴的无芯棒式旋锻过程中坯料旋转参数、模具径向进给参数对传动中间轴成形圆度质量的影响，给出了无芯棒式旋锻关键工艺参数的确定依据。仿真结果表明，在不同外径情况下每组锻打次数达到5次后，内表面圆度质量不再有明显的提升；为保证内表面良好的圆度质量，随着锻打的深入，径向进给量也要相应的减小。工艺试验表明，数值模拟结果基本可靠，用该文所确定的旋锻工艺参数试制的锻件能得到较好的圆度质量，可以为实际生产提供一定的参考数据。
이모교차등속만향전동축위연구대상，이용DEFORM‐3D유한원모의연건화공예시험，연구료해등속만향전동중간축적무심봉식선단과정중배료선전삼수、모구경향진급삼수대전동중간축성형원도질량적영향，급출료무심봉식선단관건공예삼수적학정의거。방진결과표명，재불동외경정황하매조단타차수체도5차후，내표면원도질량불재유명현적제승；위보증내표면량호적원도질량，수착단타적심입，경향진급량야요상응적감소。공예시험표명，수치모의결과기본가고，용해문소학정적선단공예삼수시제적단건능득도교호적원도질량，가이위실제생산제공일정적삼고수거。
Using the DEFORM‐3D software and process experiment ,the relationship between the circularity error and the veloci‐ty/angle of workpiece rotation as well as the radial feeds was investigated for a monobloc tube shaft (MTS) in rotary swaging without mandrel .The determination method of the key process parameters was provided .The results show that the circularity of the inner surface could not be significantly improved when the forging strokes were more than 5 times .The radial feed should be decreased with the development of radial forging .The experimental results show that the optimized parameters could ensure high inner circularity surface quality of tubular driveshaft .