To make sure syringe barrel and plunger molding quality, more attention should be paid to mold quality control. That means mold supplier will play a n important role during syringe production. The syringe barrel produced by mold should be with high evenness, perpendicularity and accuracy, an need ensure its luer joint ratio of 6:100.
The fit of the plunger and barrel mus be relatively high. Mold base, mold core and mold cavity are required to be treated with quenching and hardening process, these process will take more than a month.
For your reference,manufacturing technique to make cold runner mold and semi-hot runner mold is getting mature and stable and they are enough for most syringe factories production capacity required. Different syringe type,size,different mold design.
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