Molds & Tooling
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High LCP Mold Maintenance Frequency and Cavity Contamination
Problem Phenomenon
【Problem Phenomenon】In LCP mass production molds, deposits accumulate relatively quickly on vent grooves and parting lines, requiring frequent mold stoppage for cleaning
Cause Analysis
During LCP high-temperature molding, low-molecular components and additives precipitate out and deposit on vent grooves and parting lines to form dirt, gradually affecting venting and appearance; Misumi lists high mold maintenance frequency as a difficulty of LCP molding
Solution
Make a regular cleaning and maintenance plan for vent grooves, using ultrasonic or special cleaning agents; monitor the precipitation trend for advance maintenance; if necessary, adjust the vent groove structure for easier online cleaning
Key Takeaway
LCP precipitation contamination must be included in mold preventive maintenance; clean on a cycle to preserve venting; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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