Sterling Welder 882.01749.00 User Manual

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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