WSB 440
2Pages

Catalog excerpts

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

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