WSB 140R0 pages

MAGUIRE
WSB 140R
Gravimetric Blender
Product Technical Data Sheet
Design
The Maguire Weigh Scale Blender™ (WSB) range
of gravimetric batch blenders are for all plastics
converting businesses for all types of extrusion
applications, and also all Injection and Blow
Moulding applications.
The WSB 140 is part of the 100 Series range consisting of 1 hopper fitted with 2 material compartments and 2 removable hoppers.
Operation
Each main material is dosed by a stainless steel
slide gate.
Control
The slide Gate is capable of dosing a wide ranger of The WSB Controller has 124 standard features
and functions that technically make it lead the
settings, from as little as 1% to 100%, based on
an average density free flowing material (0.65 BD). industry regarding blending control.
Each removable hopper uses a pivot valve for dos-
Key to this is the continuous calibration of mate-
ing.
rials ensuring accurate dispenses of every mate-
The hoppers are mounted above the Weigh Bin
rial within the blend.
with a default 1000g batch size.
The Controller every dispense updates the
In normal operation the system tares the weight of gram/second flow rate of each material, ensurthe weigh bin and then each material is dispensed. ing consistent accuracy.
Regrind, Natural, Colour and Additive are dispensed in sequence, weighing each material after
Settings are made easily by either user friendly
thumbwheels, or entering settings directly on
each dispense confirming material required before
the keypad.
moving onto the next material.
For special functions these can be easily ac-
The completed batch is released into the mixing
cessed and set via the password protected key-
sure a homogenous mix.
There is audible alarm and strobe light with si-
Material blending is controlled by a level sensor
lence function, should a batch be incomplete, for
chamber, and mixed with the previous batch to en- pad.
mounted in the upper part of the mix chamber.
When the sensor is covered the blender will not
example running out of additives or masterbatches.
dispense any further batches. The level of material Setup and Operation reports can be printed direct to a USB key.
in the mix chamber is critical to good mixing.
As material in the mix chamber is consumed the
sensor is uncovered and then the blender then
commences the next cycle.
Data is also available via Ethernet or serial
ports, allowing remote access and monitoring to
download settings and check job progress.
Integration to other control or ERP systems can
be made via leading fieldbuses or OPC interfaces