Material Drying
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ASA Startup Procedure Specification
Problem Phenomenon
ASA startup heaters fully bake dry, water temperature stable, semi-automatic transition.
Cause Analysis
ASA startup procedure ensures all heaters are fully baked dry; do not rely on brief soft start; water lines opened to stabilize mold and manifold temperatures; manifold control zones preheated to within 10℃ of set value; tip zones stabilized for 5-10 minutes; air shot to check melt temperature; semi-automatic cycle establishes settings; avoid long delays between cycles; automatic cycle fine-tuning.
Solution
①Heaters fully baked; ②water lines stabilize temperature; ③zone preheating; ④air shot verification; ⑤semi-automatic transition; ⑥automatic fine-tuning.; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Key Takeaway
Standardized execution of the ASA startup procedure is the quality prerequisite; step-by-step verification prevents defects; transition ensures stable production.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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