Avoiding Check Ring Leakage…

I was recently asked this question… Joe How do I avoid check ring leakage? My Response Many heated discussions have arisen as a result of check ring leakage, but the simple fact is: All check rings allow some plastic back-flow (leakage). There are specialized products on the market which try to eliminate check ring leakage, but they eventually cause excessive barrel wear… resulting […]

Selecting a Part Weighing Scale…

I was recently asked this question about weighing parts… TC If I am weighing and documenting part weight for process documentation, what scale should I use? My Response The accuracy of a scale must be +/- tenth of a percent of the total part weight or better. For example, if you are weighing a 100+ […]

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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