... undercut 倒陷 virgin materia 纯料，新料 ： 没有加工过（备料除外）的塑料树脂或混合物。 weld lines 熔接线 （也称熔接痕或流动线）： 两个流动的前沿回合导致的零件表面的可见的线。 ...
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Designing with Weld Lines 有熔合痕的塑料制品的设计
Weld lines and Meld lines 熔接线和熔合线
Weld lines on visible surface 可见面上有熔接线
For the given examples,the simulation results illustrated that the plastic welding process would be influenced by the thickness uniformity of the region where weld lines existed.
讨论了熔接线区域的壁厚均匀程度对熔接过程的影响。
参考来源 - 注塑成型熔接线截面熔接过程数值模拟·2,447,543篇论文数据，部分数据来源于NoteExpress
Proper gating in this slot area was the only way to avoid weld lines.
开口内采用适当的浇口是避开融接线的唯一途径。
This paper presents a method to explore the implications of gate location on weld lines.
提出了一个分析浇口位置对熔接痕影响的方法。
In order to obtain the best gate location addition, the position of air bubbles and weld lines were forecasted.
预测可能存在的气泡、熔接痕的位置，确定最佳浇口位置，并在此基础上设计模具。
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