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 partdimension wallthickness 产品主体壁厚2 0mmthethicknessisuniformonthemainpartsurface 2 0mm 2 preprocessandmeshstatistics 网格统计meshstatistics 产品1出1onemoldwithonecavity 产品网格为双层面 3 materialdata general recommendedprocessing rheology 下图为popelena 352材料的属性 pvtproperties 产品材料信息 4 runnersystemlayout hotrunnersystemlayout onemoldwithonecavity 热流道系统进胶示意 a c b d 5 processsetting参数设置 6 simulationresultslist filltimefilltime contour weldlineslocationairtrapslocationpressureatv pswitchoverpressureattheendoffillflowfronttempshearratepressureatinjectionlocationclampforcevolumetricshrinkageatejectiondeflection alldeflectioncause conclusionsandsuggestions 7 filltime filltime 按住shift f5播放动画 产品填充时间为4 238s 填充平衡 8 filltime filltime contour 产品填充时间为4 238s 9 weldlines weldlineslocation 熔接线如红圈所示 10 airtraps airtrapslocation front reverse 11 pressureatv pswitchover thev pswitchovertimeisat4 21s whenthepartvolumeisfilledat98 thev ppressureis23 77mpa itissuitableformolding pressuredistribution 12 pressureattheendoffill pressureattheendoffill comment thedifferencebetweenmax andmin valueinthepressdistributiononthepartisabout45mpa 13 flowfronttemp flowfronttemppicture 表面流动前沿温度相差在16 内 产品质量好 14 shearrate shearrate comment theshearrateisuniformonthepart itdoesn texceedmaxvalueonthegatelocation thelimitvalueis1000001 s 剪切速率在材料允许范围内 按shift f5可播放动画 15 systempressure systeminjectionpressurexyplot takenatmachinenozzle 最大注射压力 65 3mpamax injectionpressure 65 3mpa 16 clampforce clampforcexyplot 最大锁模力 772 5tonmax clampforce 772 5ton 17 volumetricshrinkageatejection volumetricshrinkageatejection 由图可知 产品表面的体积收缩率 18 deflection deflectionpicture alleffects deflection 总变形量8 222mm 19 deflection deflectionpicture alleffects xcomponent 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 deflectionpicture alleffects ycomponent 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 deflectionpicture alleffects zcomponent 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 表面熔