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hot runner temperature decries , suck back limit increments , increments setup load ,back presser decries
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unmelt component in preform
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I would install a pneumatic shut off valve, and set it up on a timer, so you can use it as a type of valve gate. You can then use the injection machine to pull back with delay if you like.
Use of sprue break will always net a drooling. You can try setting a decompression before sprue break if your machine is so equipped, but your hot runner will still drool back.
Nozzle valve has really been the best solution.
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Pls send me all type of troubleshoting of pet preform. Thanks
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No problem, but you may increase injection pressure a little bit as spring nozzle makes some pressure loss.
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Will there be any problem using spring nozzle?
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Use spring nozzle instead of straight nozzle?
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I would like to ask how do stop material driping from nozzle as i have to retreat the novel to avoid string.
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