Recipe parameters are different for Injection Molding, Extrusion-Constant, and Extrusion-Proportional operation. See each individual section for details.

The calibration method is the same for all processes.

Once the unit is online, the user may want to save recipes for later recall (10 maximum).

This section will show how to calibrate the unit, bring the unit on line, enter a recipe, and store and recall recipes.

3.3Injection Molding

During each molding cycle the Digital Dosing unit doses the correct amount of additive evenly throughout the screw recovery cycle. The Digital Dosing unit determines the correct amount of additive from the recipe and automatically adjusts the duration and speed of dosing by measuring the molding machine screw recovery time each cycle.

Recipe Input - Injection Molding

To enter a recipe for injection molding, the following process data is required:

Percentage of additive

Total shot weight in grams (includes parts and runner system)

Screw recovery time of the machine in seconds

Calibration weight in grams

Step 1:

Press Input once.

The LED symbol flashes.

“1” will quickly flash on the display, before a number in the format xxx.xx comes up on the display.

Digital Dosing Units

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Sterling BF3-600 specifications Recipe Input Injection Molding, Step