I was asked this question recently… Kevin We were encountering complications with the drying of nylon. We have attached a dewpoint meter to our desiccant dryer and the measurements range erratically between -37 and -10°C while operating. The desiccant regeneration is set to 3200 second. There seems to be plenty of suction on the return line from the hopper […]
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Routsis Training
More on Venting…
I have received a few follow-up emails on venting, and would like to add the following comments and links for information… Alternate Venting Techniques Ejection – You should always consider venting your moving components such as ejector pins, ejector blades, lifters, stripper plates, and slides are all great components to vent. Since these move each cycle, they […]
You Can’t Over-Vent…
I received this commentary form one of our frequent blog contributors… Nathan I expect you to give a very strong message on tool venting in your Plastic Training and Technology Blog. Basically, many of the Moulders are not aware of venting. What should be the best way to make them understand?? Even though they agree, they still […]
Material on the Screw…
Someone asked me this during a classroom session last week… Participant How long can material remain stuck to the screw? My Response Indefinitely. Essentially, if the material adheres to the screw, it can degrade and become baked onto the surface of the screw. I have seen this with materials and additives such as colorants. This […]
Process Outputs for Blow Molding…
I was recently asked this interesting question via email… Technician I hear all this discussion about process outputs for injection molding. Is this also important for blow molding? My Response Yes, process outputs are important parameters to document. These could include parameters such as melt temperature, coolant temperature, part weight, screw RPM, and flash weight can all be useful. […]