Controlling Warpage

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Dryer Capacity Calculation

I was just asked… JW What factors should I take into account when calculating the capacity of a new dryer system? My Response When calculating the capacity of a dryer system you need to determine your total dried material consumption. Your dried material consumption can be calculated by multiplying the number of machines by their respective output in […]

Venting Problem

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Sizing up Ejector Pin Diameters

I was asked the question…   Dan “How one will decide the ejector pin diameter to eject the part safely without any stress mark observed on the part?”   My Comments To avoid permanent distortion of the plastic moldings, the number, location, and design of the ejector components must be developed to apply a low […]

Screw Recovery Alarm

I was just asked…   Jim “What is the value of having a minimum screw recovery alarm?  I can see the maximum happening but the minimum I’m not so sure.  I guess if someone puts the screw speed up to purge and does not put it back it may be useful.  Is there anything else […]