Key Design Tips for Injection Molded Parts
Jan 16, 2026
Key Design Tips for Injection Molded Parts
Proper part design is essential for successful injection molding and cost control.
1. Maintain Uniform Wall Thickness
Uniform wall thickness helps avoid defects such as warping and sink marks.
2. Add Draft Angles
Draft angles allow parts to be easily ejected from the mold, reducing damage and improving production efficiency.
3. Avoid Sharp Corners
Sharp corners can create stress concentrations. Use fillets instead to improve strength.
4. Use Ribs for Strength
Ribs can increase structural strength without increasing wall thickness or material usage.
5. Consider Material Shrinkage
Different materials shrink at different rates. Proper design ensures dimensional accuracy.
Conclusion
Good design reduces tooling costs, improves product quality, and ensu...
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