MATERIALS HANDLING: News in Loading, Conveying, Blending

Improvements to a conveying filter, coupling station, and gravimetric blenders.

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At its recent 40th anniversary celebration in Vienna, Austria, Wittmann Battenfeld (U.S. office in Torrington, Conn.) showed off dozens of its newest products (see last month’s Close Up). Among the new auxiliaries was the CS filter station for smaller systems. This economical system employs filter cartridges with cyclone separation. The filter requires mechanical cleaning, as there’s no blowback function.

New to the U.S. is the Codemax coupling station for distributing materials from multiple sources to multiple processing stations. RFID tags on the coupling cap won’t let an operator send the wrong material to the wrong machine. The RFID cards are now modular, making the system easily expandable.

Further developments in the Gravimax 14 gravimetric blender (176 lb/hr), which was shown in prototype at NPE 2015, were displayed in Vienna. A new optional static loader plate lets you remove a bin for a material change without dismantling the loader. OPC UA cross-platform communication protocol (see p. 18) is optional for integrating the blender with ERP and MES systems.

An upgraded version of the Gravimax G56 blender, shown in prototype at Fakuma 2014, is a six-component model for up to 1760 lb/hr. Drain stubs and hinged windows for easy cleaning are both standard.