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All Valve Needles Question

Consult the air conditioning master, plus fluorine mouth, no needle valve of the old air conditioning, how to measure fluorine, thank you ~!
3 answer
Hot runner system is not exactly the valve matrix how to do?
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How can I see a needle valve in plastic products?
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I put the motorcycle carburetor electronic enrichment valve needle hole is blocked, there is no harm
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Mold glue is how the air valve needle
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Does the needle valve hot runner have adhesive problems? What are the possible causes?
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Why can hot runner needle valve be blocked?
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Napping needle valve type hot runner gate part of what is the reason? Do you have any expert answers?
3 answer
The hero can help solve the valve pin, hot runner, into the gate, white spots problem?
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Hot runner valve needle in the molding, why will retreat?
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Injection mould hot runner system needle taking needle tool
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How to use the needle type oil cup
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Is the injection pressure tight after the valve pin closes?
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Needle valve hot runner outlet hole shrink what is the reason?
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Hot runner valve needle broken inside how to do?
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What's wrong with the sealing ring at the needle valve of the spray gun?
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Mold valve needle and valve relationship, the gas will be sealed small plastic valve will have a small possibility?
3 answer
Working principle of needle valve type oiling cup
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Needle valve hot runner Road, needle valve does not move, what are the reasons?
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Hot runner mold valve needle sealing is lax, what are the reasons?
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What is the hot runner valve needle?
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How many times can the hot runner valve needle be used?
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After the needle valve sealing, how to solve the cold material?
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How does a sequential needle valve work in a hot runner?
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Why hot runner valve needle Ti
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How to set the injection molding parameters of the needle?
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How long is the needle length of the needle valve?
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