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Hot Runner Molds

Richfields Corporation has designed and built - also repaired - plastic injection molds that use hot runner system for years. Our skill in manufacturing hot runner molds has been very important to our customers.
Hot Runner is usually used for production with high volume, and also with multi-cavity molds. This is so because many benefits are realized when using hot runner molds. Listed below are just some of them:
  • Clamping Pressure can be lower
  • Cooling time is faster
  • Cycle time is faster
  • Energy consumption lowered
  • Injection gates are on better locations
  • Injection Pressure can be lower
  • Injection process is cleaner
  • Labor costs for removing the part from the mold and separating runner scrap from the part are eliminated
  • Output increased
  • Overall profitability increased
  • Possibility of contamination is lessened with no runners
  • Possibility of producing the parts using smaller injection machines
  • Problems on nozzle freeze or sprue sticking are eliminated
  • Production costs are reduced
  • Production steps are shortened
  • Quality of the plastic part is better
  • Regrinding is eliminated
  • Resin costs are lowered
  • Runner scrap eliminated or reduced
  • Runner weight reduces shot size
When you are ready to use a hot runner mold, feel free to Contact Us. Based on experience, our customers would sometimes require a specific brand of hot runner system. We are flexible in this regard and can accommodate the brand of hot runner that will be specified by our customer. Some brands of hot runners that we are familiar with include:
  • DME
  • Husky
  • Mold Masters
  • Synventive
  • Yudo
ph. +86-769-87888726 | fax +86-769-87909012 | mo. +86-13058533382 |
Copyright © 2008 Richfields Corp. Ltd., Unit 1304, 13/F., Cameron Commercial Center, Nos. 458-468 Hennessy Road, Causeway Bay, HK.
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