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Question:

Napping needle valve type hot runner gate part of what is the reason? Do you have any expert answers?

Napping needle valve type hot runner gate part of what is the reason? Do you have any expert answers?

Answer:

Needle valve type hot runner hot runner is high precision, the valve needle is one of the important components, effect of the needle valve material of hot runner system can not be ignored. As is known to all, the needle valve type is mainly the valve needle in the non-stop switch closed, thus controlling the feed and shut down.
Napping needle valve type hot runner hot runner valve gate part is the occasional problems encountered in the process of trial, when the production time will be such a problem.
If the material selection is not appropriate, long time production, will cause wear of the valve needle, some suppliers use inferior needle valve, or valve needle without cutting, non professional technology, can easily lead to the valve needle top is not smooth, resulting in gate galling phenomenon, the effect is not good, the final effect the quality of products. I hope I can help you

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