Injection Molding Machines - Plastic Gears

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SUMMARY

The discussion focuses on the cost analysis of an injection molding machine and mold for producing plastic gears made from Nylon resin, specifically with a diameter of 2 cm and 20 teeth. The user seeks guidance on the type of injection molding machine required and the associated costs for both the machine and a steel or aluminum mold with one cavity, aiming for a production volume of approximately 600,000 gears per year. The Electramax machine is suggested as a potentially suitable option, although the responder notes that insufficient information has been provided for a definitive recommendation.

PREREQUISITES
  • Understanding of injection molding processes
  • Familiarity with plastic materials, specifically Nylon
  • Knowledge of mold design and manufacturing
  • Basic cost analysis techniques for manufacturing
NEXT STEPS
  • Research specifications and pricing for the Electramax injection molding machine
  • Investigate the costs associated with steel vs. aluminum molds for injection molding
  • Explore production efficiency techniques for high-volume plastic gear manufacturing
  • Learn about the properties and processing of Nylon resin in injection molding
USEFUL FOR

This discussion is beneficial for manufacturing engineers, production managers, and anyone involved in the design and production of plastic components, particularly in the context of injection molding technology.

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Hello,

I need some help with the general very basic cost analysis of an injection molding machine and a mold for a particular part (Plastic Gear).

For example, a Gear made out of Nylon plastic resin. The gear dimensions are roughly 2 cm diameter (20 teeth). Something like the black one here - http://www.gears-manufacturers.com/gifs/plastic-gears.jpg" . I need to make let’s say approx. 600,000 gears per year.

What kind of injection molding machine would be needed? How much would the machine cost? How much would the mold cost for the above given dimensions (Assume the mold is made out of Steel or Aluminum with 1 cavity)? Can someone give me a price range or some advice on how to go about it?

Out of these which one do you think will be able to do the job? http://www.romi.com.br/ip_linhas_maquinas.0.html?&L=2" .

Thank you.
 
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Just on the surface of it, the Electramax seems best-suited for your purposes. In reality, though, you haven't provided anywhere near enough information for a decision to be made (and I'm not qualified to make one anyway; my plastic moulding experience was non-injection of polyurethane).
 

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