Molds & Tooling
4 görüntüleme
PC Product Dimensional Drift
Sorun Belirtisi
Precision PC part dimensions drift slowly between batches, out of tolerance without pattern.
Neden Analizi
Unstable cushion and holding switchover, mold temperature drift, and ambient temperature and humidity changes cause it; although PC's shrinkage rate is stable, process fluctuations still accumulate into dimensional deviation.
Çözüm
①Monitor cushion and cavity pressure curves; ②Constant temperature control of mold temperature; ③Stabilize the workshop environment; ④SPC monitoring of critical dimensions; ⑤Check the check ring and feeding stability.
Temel Çıkarım
Precision PC parts need 'cavity pressure curve monitoring': dimensions are the result of process stability; fix the variables of cushion, mold temperature, and environment, and dimensions are naturally stable.
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