Sterlco SDD Series - Manual (Page 36)

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Enter / Edit Recipes.
Injection molding.
In order to calculate the correct motor speed required to feed the desired amount of additive, the
following data must be entered:
5) Additive %
6) Shot Size
7) Screw Recovery Time.
8) Calibration weight.
In addition, for the greatest accuracy, samples of the additive should be weighed and entered.
Additive %
The % additive specifies the proportion of additive to virgin material as a percentage of throughput.
For example, if the shot size is 200 grams and 8.5 grams of additive are required, the additive percentage
would be 4.25. After the additive value has been entered, press the “Next” button to navigate to the Shot Size
screen.
Shot Size
The shot size specifies the total capacity of the mold in use on the press. The value can be entered in
grams, kilograms, ounces, or pounds. The unit of measure is changed by pressing the units button at the middle
right of the screen. Changing the unit of measure will NOT change the value displayed on the screen.