Molds & Tooling
3 조회수
PCABS glass fiber grade process
문제 현상
【Problem Phenomenon】Glass fiber reinforced PC/ABS follows the virgin material process, floating fiber and filling problems coexist
원인 분석
Glass fiber grades have increased viscosity and need higher melt temperature and mold temperature; screw speed is reduced to preserve fiber length; increased abrasiveness requires wear-resistant screw and barrel; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone
해결 방법
Glass fiber grades take the upper limit of melt temperature and mold temperature; reduce speed; equipment wear-resistant configuration; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record the parameter changes, to facilitate locating the effective measures
핵심 요약
PC/ABS glass fiber material takes the temperature upper limit and reduced speed, equipment must be wear-resistant; 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 similar problems later
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