CAJ | 학술논문

应用Deform-3D有限元软件进行了不锈钢筒形件错距旋压成形过程模拟,揭示了错距旋压筒形件缺陷产生的原凶.分析了不同工艺参数下隆起、扩径缺陷的大小、分布及变化规律;结合实验研究,验证了模拟结果的准确性.当旋轮工作角为25°～30°、进给比为0.8 mm·r~(-1)、减薄率为30%时,等效应力较小且分布均匀,隆起高度和内径胀径量较小,旋压成形过程处于较好的稳定状态.研究结果能较好地优化工艺和指导实践生产.
응용Deform-3D유한원연건진행료불수강통형건착거선압성형과정모의,게시료착거선압통형건결함산생적원흉.분석료불동공예삼수하륭기、확경결함적대소、분포급변화규률;결합실험연구,험증료모의결과적준학성.당선륜공작각위25°～30°、진급비위0.8 mm·r~(-1)、감박솔위30%시,등효응력교소차분포균균,륭기고도화내경창경량교소,선압성형과정처우교호적은정상태.연구결과능교호지우화공예화지도실천생산.
The simulation of stainless steel tube stagger spinning process was carried out by the finite element software of Deform-3D to reveal the reason of defects of the stagger spun tube. The magnitude, distribution and variation rule of piling and diametral growth defects were analyzed under the different technical parameters. Experiments were also per-formed to verify the validity of the simulation results. When the working angle of the roller is in the range of 25°- 30°,feeding ratio of 0.8nm·r~(-1)and reducing rate of 30%,there are smaller and homogenous equivalent stress,smaller bulge and diametral growth as well as steady spinning process. The results will be helpful to the optimization of the tube stagger spinning and direct the practice production.