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最近走访了几家做家电模具的厂,发现大家都在往薄壁方向走。以前壁厚2.0以上是主流,现在客户上来就要1.5甚至1.2。薄壁注塑对模具的要求确实高了不少:浇口设计变了,多点浇口成了标配;模具钢的导热性要更好;冷却系统的设计要求更精细;顶出系统也要重新考虑。但问题是薄壁模具的报价并没有比普通模具贵多少,利润空间反而被压缩了。有同行在薄壁这块做过吗?来聊聊你们的实际经验。
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