Aco Mold Manufacturing
5 1

Injection Mold Tooling

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Quick Information

  • Place of Origin: China

Description

I think you may have meant "one hot drop to the center of the injection mold, then COLD runners to the 4 parts"? If you are looking for scrap reduction and injection molding cycle time savings, hot drops to each cavity would be best. This would eliminate the cold runner scrap, or dealing with regrind and the subsequent concerns with contamination, questions about the regrind usage, use of grinders at the injection molding machine, how many generations of regrind are acceptable, etc. The sprue/runner are usually the thickest areas of the injection molded product, and thus require the longest time to cure to the temperature that they can be efficiently ejected from the injection mold tooling. Full hot runner is the way to go for efficiency, as long as the margin and forecast volume support the decision of the higher cost tool (hot runner systems and controllers are not cheap).

I have a slightly different take on this - the hot runner configuration is probably most dependent on what type of hot runner you are looking at and the molded part requirements. On the part requirements, if the volumes are not high, you need to look at the ROI of the cost per part, including injection molds, to make sure that the justification is there for the more expensive configuration. Additionally, if the part requires the type of gating and vestige (or lack of vestige) that can only be achieved via use of an injection mold hot runner - you have another factor to add in that goes beyond just pure cost.

On the other hand, if the injection mold is subject to frequent change outs, the extra wear and tear on the mold and the set-up may impact the time and cost involved. Often the management team wants to eliminate as much scrap as possible, looking at the cost savings on materials, but don't take into account the extra time and cost involved with PM, set-up and change-outs as well as the up front costs of the injection mold tooling. More...


Price

  • Price Condition : FOB
  • Delivery Port : China

Packaging & Delivery

  • Delivery Lead Time : 35days
  • Minimum Order : 1set
  • Supply Ability : 25sets

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Aco Mold Manufacturing
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