Molds & Tooling
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ASA Mold Deposit
Problem Phenomenon
【Problem Phenomenon】After long-term ASA production, mold surface deposits, venting blocked, appearance gradually worsens
Cause Analysis
Lubricants and additives precipitate and deposit; high mold temperature operation accelerates migration; vent grooves are fine and easily blocked; during on-site troubleshooting, verify item by item according to this mechanism, avoid blindly adjusting the machine based only on experience
Solution
Regularly clean mold and venting; analyze deposit composition to adjust formulation; shorten cleaning cycle; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
Key Takeaway
ASA mold deposit cleaned regularly, vent grooves are the focus; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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