An Evolution in checkweighing

PLC-based checkweigher uses non-proprietary controls that make it easy to calibrate and allow it to communicate with other systems in the plant.

With a three-leg design and without an electrical cabinet, the Evolution’s small footprint easily fits into a production line.
With a three-leg design and without an electrical cabinet, the Evolution’s small footprint easily fits into a production line.

Headlining Spee-Dee Packaging Machinery’s presence at PACK EXPO International was its new PLC-based Evolution Checkweigher, which features non-proprietary controls that make it easy to calibrate and allow it to communicate with other systems in the plant. Said Spee-Dee, unlike other checkweighers that feature PC-based controls, the Evolution offers an “unmatched communications package” that provides access to data, which can then be downloaded easily via Ethernet IP, Modbus TCP/IP, USB, and other methods. The system can be calibrated in the field, without the need for a Spee-Dee technician.

The Evolution weighs packages with an Electro Magnetic Force Restoration (EMFR) technology that is said to be 10-times more accurate than traditional strain gauge load cells, in addition to being more durable in plant operations. Able to handle primary packages, such as bags, pouches, canisters, jugs, and jars, the Evolution can be used as a standalone unit or integrated with Spee-Dee auger, cup, and rotary fillers, or with existing production equipment on the plant floor.

With a unique three-leg design and without an electrical cabinet, the Evolution’s small footprint easily fits into a production line and is simple to set up and balance. In addition, as Spee-Dee explained, a tool-less, open design enables easy cleaning. The Evolution comes with a standard 7-in., full-color HMI display, and either an anodized aluminum or stainless steel base.

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