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Injection Molding - Processing Methods

Date: 2019-06-19 10:16 Views: 4521 Source: Internet
injection molding (injection molding Molding) is add hot plastics raw materials to mold type inner, solid or hard made as molding parts processing methods.


clamping 工步
a) in stage/phase clamping 芯(Core) and type 腔(Cavity).
b) rear, type solid 定, 模芯移动.
c) speed plant/unit adjustment speed degree.
 injection molding

injection molding 工步
a) screw (Screw) front 进, make melt resin through nozzle to mold type inner.
b) 附设于 screw (Screw) anti plant/unit anti melt resin from type 腔逆流 to injection molding machine upper.
 injection molding 工步

holding pressure 工步
a) maintain pressure, to type inner melt material solid is 止.
 holding pressure 工步

cooling /熔 melt /计 amount 工步
a) type inner melt material 靠设置于 mold upper cooling water 路进行 cooling
b) in injection molding machine inner meanwhile 进行材 material melt and amount.
c) material inner material screw 旋转导入 to gas inner.
d) rear 退距离进行熔 melt material amount.
计 amount 工步


mold opening /取出工步
a) molding parts in 模芯 状态 lower mold opening.
b) 拿出留 in type inner molding parts.

计 amount 工步
 

selection resin key points
requirements property can
经济 property
mold design and injection molding machine specifications parameters
according to molding product applications, for injection molding parts material property requirements different, therefore resin selection key points different.
selection in industrial or in use product resin 时, remove requirements property can outer, property, processing enterprise injection molding machine specifications and mold Design也 is selection resin main/primary factors.
selection resin 时, according to lower 模DESIGN应掌握 mold parameters
processing enterprise development new product 时, 应另行 made as combined product mold.
mold for molding parts effect/influence lower:
修 positive shrinkage dimensions runner, gate dimensions processing methods temperature degree control mold 材质, hot rigid property deformation machine 构