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Design Guidelines

Because rapid injection moulding is a true injection moulding process, it shares many of the characteristics of traditional injection moulding. Read on to learn more about general design requirements for injection moulding and specific requirements for rapid injection moulding.
General injection moulding design tips

Since Protomold parts are injection moulded, we desire all the basics of good injection moulded part design. We lay out a few of the important points here:

Recommended Part Wall Thickness by Resin Type
Uniform Wall Thickness in Plastic Parts
Plastic Moulded Part Coring Out Process

Protomold-specific design tips

There are other things a designer should consider when designing parts for the Protomold manufacturing process:

Size Limitations of Injection Moulded Parts
Simple Straight Pull Moulded Parts
Side Action Support for simple undercuts
Injection Mould Core Cavity Approach
CNC milling considerations
Part ejection considerations
Injection Moulded Part Radiusing and Draft Guidelines
ProtoFlow® Fill Analysis

Miscellaneous

Once a part is submitted for a ProtoQuote, there are a few more things that must be chosen to place an order:

Choosing the Proper Resin for Moulded Parts
Injection Moulded Part Surface Finish
Protomold Injection Moulded Part Resin Information
Colorants

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