WCA March 2011

Technology news

Making it easier for users

eliminate spillage and hinged lids for easy clean-out. There is easy access to all material contact surfaces of the blender, hoppers, feeders, weigh chamber, and mixing chamber, permitting rapid colour change without the use of tools.

A gravimetric-blender design innovation that has reduced downtime and enhanced user-friendliness for plastics operations in the low throughput range is now available in a medium-capacity blender required by many injection moulders and extrusion processors. The Maguire ® WSB 260R4 has six hopper bins, including two large ones for natural resin and regrind and four minor-ingredient bins that are removable for fast colour and additive changes and easy cleanout. While materials in the large bins are dispensed by means of slide gates like those in many other Maguire blenders, additive dispensing is carried out with vertical valves, which provide a high degree of accuracy when dosing minor ingredients. The new blender accommodates process throughputs up to 400 kg (900lb) per hour, more than double the maximum throughput for the next-largest Maguire blender equipped with removable hopper bins. “The WSB 260R4 blender is ideal for processors who make frequent product or colour changes, since they can quickly empty and refill the removable bins or even keep pre-loaded duplicate bins on standby, reducing the time for colour changes to the few seconds it takes to replace one bin with another,” said Frank Kavanagh, Maguire Products sales manager. The lightweight removable bins are equipped with integral shutoffs to

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Maguire Products – USA Fax : +1 610 459 2700 Email : info@maguire.com Website : www.maguire.com

Large hopper at top left in this photo of m m the Maguire ® WSB 260R4 actually consists of two bins for natural resin and regrind. To the right of this hopper are four minor-ingredient bins for colours and additives

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Wire & Cable ASIA – March/April 2011