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山東模具加工成型需要注意的事項有啥?

瀏覽次數:269    發表時間:2016-12-21 10:27:17

山東模具加工廠為了解決增強料工藝弊病,在成型時應注意下列事項。Shandong mold processing plant in order to solve the reinforcement process ills, in molding should pay attention to the following matters.

1.山東模具加工宜用高溫、高壓、高速注射。Shandong mold processing with high temperature, high pressure, high speed injection.

2.塑膠模具模溫宜取高(對結晶性料應按要求調節),同時應防止樹脂、玻纖分頭聚積, 玻纖外露及局部燒傷。Plastic mold temperature should be high (the crystalline material should be adjusted according to requirements), at the same time should be to prevent the resin, glass fiber and glass fiber separately accumulate, local burn.

3.保壓補縮應充分。Pressure retaining and shrinkage should be fully.

4.山東模具加工塑件冷卻應均勻。Shandong mold processing plastic parts should be uniform cooling.

5.料溫、模溫變化對塑件收縮影響較大,溫度高收縮大,保壓及注射壓力增大,可使收縮變小但影響較小。Material temperature and mold temperature change have a greater impact on the plastic parts shrinkage, high temperature shrinkage, pressure and injection pressure increases, can shrink smaller but less affected.

6.由于增強料剛性好,熱變形溫度高可在較高溫度時脫模,但要注意脫模后均勻冷卻。Due to the high rigidity of the reinforcing material, the hot deformation temperature can be released at high temperature, but the uniform cooling should be paid attention to.

7.應選用適當的山東模具加工脫模劑。Should choose the appropriate Shandong mold processing release agent.

8.山東模具加工宜用螺桿式注射機成型。尤其對長纖維增強料必須用螺桿式注射機加工,如果沒有螺桿式注射機則應在造粒后象短纖維料一樣才可在柱塞式注射機上加工。Shandong mold processing should use screw injection molding machine. Especially for long fiber reinforced material must use screw injection molding machine, if there is no screw injection molding machine should be like fiber like material after granulation can be processed in the plunger type injection machine.

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