molding shrinkage

Meanwhile , it could promote the lubricating effects , moderately reduce the molding shrinkage ratio of products , and improve the dimensional stability and elegance of products .

同时增加润滑效果，使制品成型收缩率适当减小，提高制品的尺寸稳定性和美观性。

But PP also has the disadvantages itself that its toughness is poor , its low temperature resistance is poor and its molding shrinkage is big , so that the application in the field of high-voltage insulation is limited .

但是聚丙烯本身韧性差、抗低温冲击性能差、成型收缩率大，限制了它在高压绝缘领域的应用。

Research on injection molding shrinkage characteristics of fan-shaped plastic parts

扇形制品注射成型的收缩特性研究

Ralation Between Molding Shrinkage for PA Processing and the Injection Conditions

PA成型收缩率与注射工艺条件的关系

Current status and development trend in research of molding shrinkage of plastic products relating to or characterized by atrophy .

塑件成型收缩的研究现状与趋势探讨关于萎缩的，或有萎缩特征的。

Mutual relation on molding shrinkage between central character and restriction character is studied , and connection formula is established .

研究了塑件主特征和限定特征对成型收缩的影响关系，建立了考虑塑件结构特征影响的收缩关系表达式。

Due to molding shrinkage the dimensions for PP and PVDF would be somewhat less , and the end-to-end length of threaded equals socket valves .

由于模铸收缩，PP和PVDF的尺寸将会变得比较小，螺纹的端到端的长度与承插相等。

As is known to all , one of barriers in replacing steel with polymer material or using them together is the mismatch of thermal expansion of both materials and molding shrinkage of polymer .

众所周知，降低热膨胀系数一直是高分子材料实现以塑代钢、钢塑结合的一个重要难题。

In this study , the numerical analysis of residual stresses produced during the packing and cooling stage of injection molding and shrinkage after ejection was carried out .

本文对成型保压阶段和冷却阶段聚合物制品产生的残余应力和脱模后制品的收缩进行了数值模拟。

It introduces the defect cause and pattern produced in the PC / ABS plastic alloy injection molding products including shrinkage cavity , weld linc , silver streak and warpage . The guarding measures against defects was listed in mold structure , molding technology .

介绍了PC/ABS塑料合金注塑制品缺陷产生的原因及规律，其中包括缩孔、熔接线、银纹，翘曲变形等，从模具结构，成型工艺等方面，列举了避免缺陷的措施。

Optimization of Processing Parameters in Multi-Cavity Injection Molding Based on Volumetric Shrinkage ELECTROFORMING TECHNOLOGY OF INJECTION MOLD CAVITY WITH THE ORIGINAL PLASTICS PRODUCT AS MOLD CORE

基于制品体收缩率的多型腔注塑模工艺参数优化用原塑料制件为模芯电铸注塑模型腔工艺

The main factors influencing on the precise injection molding including the molding shrinkage , mould design , injection equipment and material were discussed . The problems existing easily in the precise injection molding were summarized .

对影响精密注射成型的主要因素诸如成型收缩、模具设计、注塑设备以及注塑材料等进行了讨论，总结了精密注射成型中容易出现的问题及其防止措施。

Influence of injection molding parameters on the molding shrinkage of polycarbonate

注塑参数对聚碳酸酯成型收缩率的影响研究

Structures and place and number of molding gate have effect on molding shrinkage by analyzing results of simulation experiments , and have many laws .

通过模拟实验结果曲线的分析表明，塑件的结构特征及浇口位置与数量的变化，对塑件的成型收缩具有重要影响，并且有一定的规律可寻。