Injection Molding
5 조회수
Glass Fibre '2079851475616104452 insufficient flow length ratio
문제 현상
Glass Fibre injection flow length ratio only 80-100, below 150, thin-wall product cannot be filled
원인 분석
Glass Fibre melt viscosity high, flow distance short; injection temperature too low; injection pressure insufficient; mold runner resistance large
해결 방법
1) Raise injection temperature to 160-220°C; 2) raise injection pressure 80-100MPa; 3) enlarge runner and gate size to reduce resistance; 4) add 0.3-0.5wt% flow aid to reduce viscosity
핵심 요약
Insufficient flow length ratio is caused by Glass Fibre high viscosity; high temperature, high pressure and large gate are key
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