Molds & Tooling
6 visualizações
PBT product jetting marks
Fenómeno do problema
Snake-shaped marks in front of the gate.
Análise das causas
High-speed jetting filling; small gate and open cavity.; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first when troubleshooting
Solução
①Multi-stage injection with low speed at the initial stage; ②enlarge the gate; ③adjust gate position; ④increase material temperature.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusão principal
Jetting marks are controlled by the speed curve.; after confirming effectiveness, solidify 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 in the future
Isto foi útil?
0 pessoas acharam isto útil
Obrigado pelo seu comentário!