汽车仪表板风道模流分析报告.ppt

1,原始的产品尺寸及特征(part dimension & wall thickness),产品主体壁厚2.0mm the thickness is uniform on the main part surface: 2.0mm.,2,preprocess and mesh statistics,网格统计 mesh statistics,产品1出1 one mold with one cavity.,产品网格为双层面,3,material data,general:,recommended processing:,rheology:,下图为popelen a-352材料的属性。,pvt properties:,产品材料信息,4,runner system layout,hot runner system layout,one mold with one cavity.,热流道系统进胶示意,a,c,b,d,5,process setting参数设置,6,simulation results list,fill time fill time (contour) weld lines location air traps location pressure at v/p switchover pressure at the end of fill flow front temp shear rate pressure at injection location clamp force volumetric shrinkage at ejection deflection (all deflection cause) conclusions and suggestions,7,fill time,fill time,按住shift+f5播放动画,产品填充时间为4.238s,填充平衡。,8,fill time,fill time(contour),产品填充时间为4.238s,9,weld lines,weld lines location,熔接线如红圈所示,10,air traps,air traps location,front,reverse,11,pressure at v/p switchover,the v/p switchover time is at 4.21s, when the part volume is filled at 98% the v/p pressure is 23.77mpa. it is suitable for molding.,pressure distribution,12,pressure at the end of fill,pressure at the end of fill,comment: the difference between max. and min. value in the press distribution on the part is about 45mpa.,13,flow front temp,flow front temp picture,表面流动前沿温度相差在16内,产品质量好。,14,shear rate,shear rate,comment: the shear rate is uniform on the part, it doesnt exceed max value on the gate location. the limit value is 100000 1/s.,剪切速率在材料允许范围内。,按shift+f5可播放动画,15,system pressure,system injection pressure xy plot (taken at machine nozzle),最大注射压力：65.3mpa max. injection pressure: 65.3mpa,16,clamp force,clamp force xy plot,最大锁模力：772.5ton max. clamp force: 772.5ton,17,volumetric shrinkage at ejection,volumetric shrinkage at ejection,由图可知，产品表面的体积收缩率。,18,deflection,deflection picture, all effects: deflection,总变形量8.222mm。,19,deflection,deflection picture, all effects: x component,产品宽360mm，材料水平收缩率1.018%；减去收缩x轴正方向变形0.326mm，负方向变形0.0594mm。,20,deflection,deflection picture, all effects: y component,产品长1338mm，材料水平收缩率1.018%；减去收缩y轴正方向变形1.3376mm，负方向变形1.1884mm。,21,deflection,deflection picture, all effects: z component,产品高98mm，材料垂直收缩率1.04%；减去收缩z轴正方向变形1.1664mm，负方向变形0.8484mm。,22,1.总体填充平衡，无滞留和短射现象； 2.