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 14 筆
第 iv 頁
... pressure , injection melt temperature and injection flow rate . Work also proceeded with developing an interactive version of the finite - element / finite- difference ... pressure drop during cavity filling was obtained . The frozen -8-
... pressure , injection melt temperature and injection flow rate . Work also proceeded with developing an interactive version of the finite - element / finite- difference ... pressure drop during cavity filling was obtained . The frozen -8-
第 209 頁
... pressure drop AP 56 spans gate A of the double - gated cavity and is denoted by P5 - P6 whereas P1 - P2 and P1 - P5 represent pressure drops along various runner segments , starting at the sprue , and P3 - P4 represents the pressure drop ...
... pressure drop AP 56 spans gate A of the double - gated cavity and is denoted by P5 - P6 whereas P1 - P2 and P1 - P5 represent pressure drops along various runner segments , starting at the sprue , and P3 - P4 represents the pressure drop ...
第 211 頁
... drop in the corresponding runner pressure drop . Once the melt front reaches all three gates , however , all three branches of the runner system experience similar resistances due to the gates and AP15 then bounces back to its original ...
... drop in the corresponding runner pressure drop . Once the melt front reaches all three gates , however , all three branches of the runner system experience similar resistances due to the gates and AP15 then bounces back to its original ...
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