LCP产品的低翘曲技术
Low warpage technique for LCP parts
宝理工程塑料技术中心
Polyplastics Co. Ltd
Technical Solution Center
如何更改文件格式
LCP连接器翘曲何以发生？
Why warpage of LCP connector is happened?
q收缩的各向异性Anisotropy Shrinkage
q内应力Molding stress
q其他…etc
Initial volume during the molding
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If each part can shrink parately
In actuality ,,,
肉夹馍饼的做法
LCP产品低翘曲Low-warpage for LCP parts q设计Design
â控制填充模式Control orientation with flow pattern
â中性轴力矩平衡Moment balance at neutral axis
â调整产品壁厚、浇口位置、减胶Harmonize wall thickness, gate
position, core out
悲伤爱情q注塑条件Molding condition
â均一填充Homogeneous filling pattern
â高射速低射压Low molding pressure with high injection speed
â高模温减小回流焊前后的翘曲差High Mold temperature to reduce
deformation change before and after IR reflow
q低翘曲规格Low-warpage grade
â各向异性小Low anisotropy
â高流动性High flow
爆破工程技术人员填充模式和取向
Flow Pattern & Orientation
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设计Design科普图书
Ｔ１＞Ｔ２（Design２）
gate
gate
Shrinkage: Side＞Bottom
Ｔ１＜Ｔ２（Design３）
水浒城
Shrinkage: Side＜Bottom
＊Welding line in center
