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标题: 透明PC片，刚啤出来不变形。放一晚上后就变形了。有什么办法解决这个问题 [打印本页]

作者: as3750 时间: 2015-1-18 19:41
标题: 透明PC片，刚啤出来不变形。放一晚上后就变形了。有什么办法解决这个问题
透明PC片，刚啤出来不变形。放一晚上后就变形了。有什么办法解决这个问题

请指教，感谢。

作者: dingbeyond 时间: 2015-1-19 14:33
厚度多少?是不是模具冷却系统不对称导致应力？建议用亚克力切片代替，如果没有结构的话。

作者: 小酷酷 时间: 2015-1-19 14:56
看看~~~~

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分割

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作者: yyz1126 时间: 2015-1-19 16:36
1. 出模后去应力
2. 出模后加整形治具

作者: xuweili306 时间: 2015-1-19 19:05
加模温机测试看下

作者: foreverroc 时间: 2015-1-20 02:55

作者: yangguozhanzhao 时间: 2015-1-20 14:54
内应力，退火

作者: lyc2595882 时间: 2015-1-21 14:19
消除内应力，零件成型后放在保温箱内80°保温2小时试一试会有锁改善！另外从结构上考虑也可以预防！

作者: yaohuaibang 时间: 2015-1-21 16:01
加定形夾具試試

作者: wulinhan 时间: 2015-1-23 16:56
马上扔水里

作者: 松针23 时间: 2015-1-23 19:07
这是一种冷却后应力缓慢释放的现象。根本的解决方法是从新设计造型。用夹具固定状态下，保温，缓慢冷却到室温，能改善，但不能根除。

作者: caofeng1978 时间: 2015-1-26 10:11
模具开成反弓的。

作者: pzh_id 时间: 2015-1-26 12:58
夹具可以吗？

作者: sunny180 时间: 2015-1-28 10:53
还有其它什么办法吗，学习下

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