模具设计矩形浇口设计

1、矩形邊緣澆口設計矩形邊緣澆口設計rectangular edge gate designrectangular edge gate designl = 0.5 0.75 mmw = 澆口寬度 ( mm ) gate width in mma = 型腔表面積 ( mm2 ) surface area of cavity in mm2n = 材料常數 material constant 0.6 for pe, ps 0.7 for pom, pc, pp 0.8 for ca, pmma, pa 0.9 for pvch = n th = 澆口厚度( gate thick. in mm )t =

2、零件壁厚( wall thick. in mm )wtlh30anw 扇形澆口設計扇形澆口設計fan gate designfan gate designl= 1.3mmw= w= 澆口寬度 mm gate width in mma= 型腔表面積 mm2 surface area of cavity in mm2n= 材料常數 material constant 0.6 for pe, ps 0.7 for pom, pc, pp 0.8 for ca, pmma, pa 0.9 for pvc澆口厚度 gate thick. in mmt= 零件壁厚 wall thick. in mm 30

3、n h1 = n t h2 = wh1/d重疊式澆口設計重疊式澆口設計overlap gate designoverlap gate designw= w= 澆口寬度 mm gate width in mma= 型腔表面積 mm2 surface area of cavity in mm2n= 材料常數 material constant 0.6 for pe, ps 0.7 for pom, pc, pp 0.8 for ca, pmma, pa 0.9 for pvc澆口厚度 gate thick. in mm = nt澆口長度 land length in mm t= 零件壁厚 wall

4、 thick. in mm 30n l1 = 0.50.75l2 = h+( w/2 )凸耳澆口設計凸耳澆口設計tab gate designtab gate designl= 0.50.75mmw= w= 澆口寬度 mm gate width in mma= 型腔表面積 mm2 surface area of cavity in mm2n= 材料常數 material constant 0.6 for pe, ps 0.7 for pom, pc, pp 0.8 for ca, pmma, pa 0.9 for pvc澆口厚度 gate thick. in mm t= 零件壁厚 wall t

5、hick. in mm 30nh1 = n th2 = 0.9 t針點澆口設計針點澆口設計pin gate designpin gate designl = 0.5 0.75 mmd = 澆口直徑( mm ) gate diameter in mmt = 零件壁厚( mm ) wall thick. in mma = 型腔表面積 ( mm2 ) surface area of cavity in mm2n = 材料常數 material constant 0.6 for pe, ps 0.7 for pom, pc, pp 0.8 for ca, pmma, pa 0.9 for pvcdltd0.206n ta4潛伏式澆口設計潛伏式澆口設計subgatesubgate design designw= w= 澆口寬度 mm gate width in mma= 型腔表面積 mm2 surface area of cavity in mm2n= 材料常數 material constant 0.6 for pe, ps 0.7 for pom, pc, pp 0.8 for