Easiest way is to start at maximum tonnage suggested for the mold according to the manufacturer. (Most molds have general suggested setups. If you don't have that, call the manufacturer. They should...
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Easiest way is to start at maximum tonnage suggested for the mold according to the manufacturer. (Most molds have general suggested setups. If you don't have that, call the manufacturer. They should...
Could be from a very slight flex of the tie bars that occurs during clamp/unclamp since you are running near max due to machine leveling on injection and clamp units. Maybe check that.
I agree with the above statements.
Check mold plugs that supply power to the heaters.... Feel them with your hands or use a thermal camera. If one is hotter than the others, it could be the plug...
I've used Ultrapurge when changing color on PET machines and changing from PET to Poly... Have not used it through a manifold though. I've heard it can void warranty. But it seems to work well on our...