Molds & Tooling
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ASA hot runner temperature management
Problem Phenomenon
ASA hot runner system temperature improper, gate defects and degradation, hot runner and barrel temperature matching.
Cause Analysis
ASA hot runner temperature 240-280°C; hot runner and barrel temperature matching; local overheating degradation; cold material blockage; temperature control accuracy; startup procedure.
Solution
①Hot runner 240-280°C control; ②matching with barrel temperature; ③sufficient startup preheating; ④temperature control accuracy verification; ⑤regular maintenance.; After adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Key Takeaway
ASA hot runner temperature matching with barrel is the quality key; startup procedure prevents cold material; maintenance ensures long-term stability.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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