WSB 4400 pages

MAGUIRE
WSB 440
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 440 is part of the 400 Series range consisting of 1 hopper fitted with 4 material compartments.
Operation
Each material is dosed by a stainless steel slide
gate. The slide Gate is capable of dosing a wide
ranger of settings, from as little as 1% to 100%,
based on an average density free flowing material
(0.65 BD).
Control
The WSB Controller has 124 standard features
and functions that technically make it lead the
industry regarding blending control.
The hoppers are mounted above the Weigh Bin with Key to this is the continuous calibration of matea default 4000g batch size.
rials ensuring accurate dispenses of every mateIn normal operation the system tares the weight of
rial within the blend.
the weigh bin and then each material is dispensed - The Controller every dispense updates the
Regrind, Natural, Colour and Additive in sequence, gram/second flow rate of each material, ensur-
weighing each material after each dispense confirm- ing consistent accuracy.
ing material required before moving on to the next
Settings are made easily by either user friendly
material.
The complete batch is released into the mixing
chamber, and mixed with the previous batch to en-
thumbwheels, or entering settings directly on
the keypad.
sure a homogenous mix.
For special functions these can be easily ac-
Material blending is controlled by a level sensor
pad.
mounted in the upper part of the mix chamber.
When the sensor is covered the blender will not
dispense any further batches. The level of material
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.
cessed and set via the password protected keyThere is audible alarm and strobe light with silence function, should a batch be incomplete, for
example running out of additives or masterbatches.
Setup and Operation reports can be printed direct to a USB key.
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