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Appendix A Basic Parameter Settings
A-2 Recipe Formulas
The following formulas can be used to determine if a recipe is appropriate or possible.
Injection Molding
For injection molding applications, compute the dosing disc speed and total number of disc
revolutions using the following formulas. Recipe limitations are listed in the table following the
equations.
Recipe Limitations for Injection Molding
Motor Speed (rpm) Maximum
Max Speed (rpm) Min Speed (rpm)
3 3 0.15
8.4 8.4 0.4
11.5 11.5 0.6
38 38 1.9
Extrusion - Simple
For extrusion applications, compute the dosing disc speed using the following formula. Recipe
limitations are listed in the table following the recipe.
Disc RPM
( Additive - %) x (Total Extruder Throughput - lb / hr)
13.22 x (Disc Calibration Weight - g)
=
Recipe Limitations Extrusion
Motor Speed (rpm) Maximum
Max Speed (rpm) Min Speed (rpm)
3 3 0.15
8.4 8.4 0.4
11.5 11.5 0.6
38 38 1.9