Molds & Tooling
7 조회수
PA6 Glass Fiber Mold Wear
문제 현상
After GF-PA6 production for a period of time, flash increased and dimensions drifted, with fast mold and screw wear.
원인 분석
Glass fiber strongly wears molds and screws; wear of gates, parting lines, and ejector pins increases clearances; GF is an abrasive, and hardware life is tested; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience.
해결 방법
①Use wear-resistant steel (H13/S136) or coating for the mold;②bimetallic screw;③regularly check wearing parts;④establish mold life management;⑤evaluate wear compensation.
핵심 요약
GF nylon = 'abrasive': mold steel must be upgraded; wear-resistant hardware + life management is the material basis for quality assurance, and wear monitoring must be normalized; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence.
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