Cornell Injection Molding Program Progress Report No. 15: Covering the Period from September 1988 Through January 1990College of Engineering, Cornell University, 1990 - 338 頁 |
搜尋書籍內容
第 1 到 3 筆結果,共 9 筆
第 231 頁
... warpage . For an optimal design search , items ( 1 ) , ( 8 ) and ( 9 ) may be used as described in the following section . 10.4 Line - Sink Approach The cooling system is designed to maximize the productivity and part quality . To ...
... warpage . For an optimal design search , items ( 1 ) , ( 8 ) and ( 9 ) may be used as described in the following section . 10.4 Line - Sink Approach The cooling system is designed to maximize the productivity and part quality . To ...
第 235 頁
... WARPAGE IN INJECTION MOLDING 11.1 Introduction Warpage is one of the major problems for an injection - molded part which may arise due to stresses induced during the filling and packing stages of the process and non - uniform ...
... WARPAGE IN INJECTION MOLDING 11.1 Introduction Warpage is one of the major problems for an injection - molded part which may arise due to stresses induced during the filling and packing stages of the process and non - uniform ...
第 236 頁
... warpage in a simple , disk - type cav- ity geometry . Theoretical estimates of warpage are developed employing a finite- difference formulation for the heat - transfer problem and mechanical constitutive models based on ( i ) a thermo ...
... warpage in a simple , disk - type cav- ity geometry . Theoretical estimates of warpage are developed employing a finite- difference formulation for the heat - transfer problem and mechanical constitutive models based on ( i ) a thermo ...
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