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阻尼缸在针阀式热流道系统中的应用

Application of Damp Cylinder in Needle Valve Hot Runner System
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摘要 文章通过计算浇口所受到的冲击力,找出某注塑件浇口飞边的原因。由于阀针碰撞浇口的时间极短,浇口所受到的冲击力极大。为了解决这个问题,在针阀式热流道中应用阻尼缸。从而大大延长了阀针碰撞浇口的时间,使浇口受到的冲击力大大减少。 Through the calculation of the force on the gate, the cause of the flash at the gate of an injection molding is found out. Due to the extremely short collision time between the valve pin and the gate, the gate receives a great impact force. To solve this problem, a damp cylinder is used in the needle valve hot runner system to extend the collision time between the valve needle and the gate, and the impact force on the gate is reduced.
作者 余斌
出处 《上海汽车》 2018年第7期49-52,共4页 Shanghai Auto
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