题目内容
冷却水道出、入口温差应尽量小，一般情况下进水与出水温度差不大于20°C。
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当塑件的壁厚基本均匀时，冷却水道与型腔表面的距离最好相等，分布尽量与型腔轮廓相吻合。
塑料熔体充填型腔过程时，一般在浇口附近温度最低，距浇口越远温度就越高，因此浇口附近应设置为水道出口。
冷却水道尽量避免与模具上其他机构（推杆孔、小型芯孔）发生干涉，产生漏水，设计时通盘考虑。
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