A method for determining the quality of an injection molded article
By synchronously collecting mold cavity pressure and temperature waveforms throughout the entire injection molding cycle, performing preprocessing and multi-rule judgment, the problem of insufficient full-cycle monitoring in existing injection molded product qualification judgment methods is solved, achieving accuracy and real-time performance in full-process quality judgment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- JIMEI UNIV
- Filing Date
- 2026-04-23
- Publication Date
- 2026-07-17
AI Technical Summary
Existing methods for determining the conformity of injection molded products lack full-cycle and comprehensive analysis, fail to achieve real-time monitoring, and are prone to omissions and misjudgments. Furthermore, traditional judgment rules lack systematicity and flexibility, and cannot adapt to the structural, material, and precision requirements of different molds.
By synchronously collecting mold cavity pressure and temperature waveforms throughout the entire injection molding cycle, preprocessing and multi-rule judgment are performed, including peak monitoring, right-angled four-sided frame monitoring, parallel four-sided frame trend monitoring, trapezoidal four-sided frame trend monitoring, and standard curve envelope judgment. Combined with critical and non-critical judgment rules, the entire process quality judgment is realized.
It enables comprehensive and precise monitoring of the injection molding process, improves the accuracy and comprehensiveness of qualification judgment, reduces omissions and misjudgments, and supports quality judgment before or at the moment of product demolding.
Smart Images

Figure CN122401818A_ABST