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盛業塑膠原料有限公司
主營產品： 工程塑料，通用塑料，熱塑性彈性體 |
|
盛業塑膠原料有限公司
主營產品： 工程塑料，通用塑料，熱塑性彈性體 |
| 參考價 | 面議 |
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更新時間：2018-05-15 17:41:41瀏覽次數：283
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銀條紋
這表明銀條紋的外觀表面的模制產品以及樹脂流動的方向在蛀牙。這個樣子的有很多原因,而下面列出的預防措施實際上是有效的。
(1)遵循ACRYPET充分。
(2)設置氣缸溫度較低,而注入壓力高。
(3)設置注射速度更快。
(4)設置在塑化螺桿旋轉小的數量和修改合適的反壓力。
(5)對薄壁成型,模具溫度較高和汽缸溫度較低。
(6)消除塑化時間的波動。
(7)放大澆道截面的流道和澆口,縮短的長度使樹脂流更容易,并設置氣缸溫度低。
Silver streaks
This indicates the appearance of silver streaks on the surface of molded product along the direction of resin flow in the cavities. There are a lot of causes of this appearance, while the preventive measures listed below are actually effective.
(1) Pre-dry ACRYPET adequay.
(2) Set the cylinder temperature lower, while set the injection pressure higher.
(3) Set the injection speed faster.
(4) Set the number of screw rotation at plasticization smaller and modify the backpressure to the suitable one.
(5) For thin wall molding, set the mold temperature higher and the cylinder temperature lower.
(6) Eliminate the fluctuation of plasticization time.
(7) Enlarge the cross section of sprue, runner and gate, shorten the length of them to make the resin flow easier, and set the cylinder temperature lower.
