1. When switching
New Car injection molding materials, clean the old material completely from the barrel.
2. Improve the exhaust system.
3. Reduce the melt temperature, New Car injection molding pressure or
Fuel Car injection molding speed.
4. No seat retreat, reduce the back loose retreat.
5. Use a reasonable speed.
6. Use New Car injection molding pre-plastic delay to reduce the amount of residual material.
4. The position, number and size of the exhaust port are set appropriately to avoid poor exhaust in Fuel Car injection molding.