Introduction
Precision injection molding requires tight tolerance control and rigorous quality assurance.
Tolerance Standards
ISO 20457 Standards define tolerance levels: Level 1 (Ultra-precision): +/-0.025mm per 100mm, Level 2 (High precision): +/-0.050mm per 100mm.
Mold Design
Cavity machining accuracy: +/-0.005-0.010mm. Uniform cooling is critical for dimensional stability.
Quality Assurance
CMM: +/-0.001mm accuracy. SPC charts monitor process stability.
Conclusion
Precision injection molding requires careful attention to mold design, material selection, and process control.
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