Cornell Injection Molding Program Progress Report No. 15: Covering the Period from September 1988 Through January 1990College of Engineering, Cornell University, 1990 - 338 頁 |
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第 1 到 3 筆結果,共 31 筆
第 231 頁
... thickness which is associated with differential shrinkage and warpage . Therefore , the objective function might be taken , for example , as a weighted combination of cycle time , part - temperature non - uniformity and temperature ...
... thickness which is associated with differential shrinkage and warpage . Therefore , the objective function might be taken , for example , as a weighted combination of cycle time , part - temperature non - uniformity and temperature ...
第 260 頁
... thickness measurement . Therefore , a specially designed dial- gauge fixture was used to replace the labor - intensive part - weight measurement with a simple thickness measurement . In particular , after letting the molded disks cool ...
... thickness measurement . Therefore , a specially designed dial- gauge fixture was used to replace the labor - intensive part - weight measurement with a simple thickness measurement . In particular , after letting the molded disks cool ...
第 267 頁
... thickness for each polymer to give the relative percentage variation . Furthermore , a plot has been generated by comparing the resulting normalized thickness variation with the predicted volumetric shrinkage for the same polymer to ...
... thickness for each polymer to give the relative percentage variation . Furthermore , a plot has been generated by comparing the resulting normalized thickness variation with the predicted volumetric shrinkage for the same polymer to ...
常見字詞
air traps apparent viscosity behavior best-fit boundary calculated candidate curves candidate points Carreau model cavity-filling COOL3D cooling rate corresponding Cross model density determined developed elements equation experiments Figure filling stage flow rate flow-front region fluid Fraction of solid function gate geometry glycerin Hieber increase injection molding injection-molding injection-molding process instant linear lines and air material melt front mesh MOLDFLOW Newtonian Newtonian fluid node numerical optimization particles Pb alloy PMMA polygon polypropylene polystyrene post-filling stage power-law predicted melt-front advancement pressure drop pressure traces processing conditions Progress Report relative viscosity results in Fig rheological rheometer segments semi-solid alloy shear rate shear stress shown in Fig shrinkage simulation solid fraction Styron surface suspension SWEEP2D swept area symbols Table thermal conductivity thermoset thickness torque V₁ velocity vertex curve viscoelastic viscosity model volume fraction volumetric volumetric flow rate warpage weld lines yield stress