FREE ENGINEERING E-BOOK
Injection Molding Design Guide
Plan injection-molded parts with guidance on materials, finishes, draft, wall thickness, ribs, bosses, gates, parting lines, undercuts, tolerances, and common defects.
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PRACTICAL TAKEAWAYS
What you’ll learn
The guide brings the following topics together in one downloadable reference.
- Injection molding materials and selection factors
- SPI, VDI, and Mold-Tech finish systems
- Draft, wall thickness, radii, ribs, bosses, and gussets
- Gates, parting lines, undercuts, and tolerances
- Common defects and design responses
GUIDE CONTENT
Inside this guide
Review the main sections before downloading.
- Introduction to injection molding
- Mold types, applications, and benefits
- Material selection
- Surface finishes and textures
- Injection molding design guidelines
- Draft, wall thickness, radii, bosses, ribs, and gussets
- Living hinges, snap-fits, text, and symbols
- Gate design, parting lines, and undercuts
- Plastic part tolerances
- Common defects and how to address them
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