Warping, Part Distortion

Recommended Actions

• Warping, Part Distortion is shows up as parts being bowed, warped, bent or twisted beyond the normal specification outlined on the drawing.
• Possible Solutions
• Adjust melt Temperature (increase to relieve molded-in stress, decrease to avoid overpacking). stress, decrease to avoid over packing). stress, decrease to avoid over packing).
• Check gates for proper location and adequate size.
• Check mold knockout mechanism for proper design and operation.
• Equalize/balance mold temperature of both halves.
• Increase injection-hold.
• Increase the mold cooling time.
• Relocate gates on or as near as possible to thick sections.
• Try increasing or decreasing injection pressure.