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In-Motion Weighing

In-Motion WeighingA checkweigher is an automatic machine for checking the weight of packaged commodities. It is normally found at the off-going end of a production process and is used to ensure that the weight of a pack of the commodity is within specified limits.

Checkweighers often incorporate additional checking devices such as metal detectors and X-ray machines to enable other attributes of the pack to be checked and acted upon accordingly.

A checkweigher normally incorporates a series of conveyor belts.

  • An in-feed belt that may change the speed of the package and to bring it up or down to a speed required for weighing.
  • A weigh belt. This is typically mounted on a weight transducer which can typically be a strain-gauge load cell or a servo-balance.
  • A reject belt that provides a method of removing an out-of-tolerance package from the conveyor line.

Applications

In-motion scales are dynamic machines that can be designed to perform a number of tasks. Some are used as simple caseweighers at the end of the conveyor line to ensure the overall finished package product is within its target weight.

An in motion conveyor checkweigher can be used to detect missing pieces of a kit.

A checkweigher can be used to count the aggregate (total) weight of the boxes going onto a pallet for shipment, including the ability to read each package's weight and cubic dimensions. The controller computer can print a shipping label and a bar-code label to identify the weight, the cubic dimensions, ship-to address, and other data for machine ID through the shipment of the product.

A receiving checkweigher for the shipment can read the label with a bar code scanner, and determine if the shipment is as it was before the transportation carrier received it from the shipper's loading dock, and determine if a box is missing, or something was pilfered or broken in transit.

Contact Us to learn more about in-motion weighing solutions.

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