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Page 72 of 118 SGB Batch Blender with Mitsubishi Controller
Typical Batch Size
SGB-450 3 lbs.
SGB-900 8 lbs.
SGB-2500/4000/5000 35 lbs.
5-8-17 Batch Size Menu
The SGB blending system is a gravimetric batching system. The
blender will weigh a preprogrammed batch of material each cycle. This
batch size is determined by the blender’s weigh hopper size, the current
recipe, and the bulk density of the ingredients.
Because the blending systems must handle a wide variety of materials,
with varying bulk densities, the actual amount of weight of material the
weigh hopper will hold can vary dramatically from application to
application.
The weigh hopper size selected should be one that approaches the
maximum capacity of the load cells without over-filling the weigh
hopper. During the initial setup of each blender, the weigh hopper size
setting should be checked to ensure that the weigh hopper is not
overfilling due to a large percentage of light weight regrind, etc. The
batch size will vary from model to model. The bulk density of the
material being blended will also affect the batch size.
Important! If running a high percentage of lighter density regrind.
Set the batch size so that the mixer does not overfill, preventing
the weigh hopper from fully dumping when operating in “Batch
Ready Mode”.
5-8-18 Inventory Shutdown
In many applications, the user of the SGB System produces large runs
of blended material on the same recipe during production. An example
may be a 40,000-lb. run of a certain specification plastic extrusion.
Others may wish to fill a 1,000-lb. gaylord box in a central blending
application. In either case, Sterling has provided a means to
automatically stop the blending system when the blended material has
reached a preset total blended weight. This is known as Inventory
Shutdown.