CASE STUDY: Automatic weight check for Pick to Light System

checkweigh pick to light

The Problem: Automatic inspection of split case cartons

A major distributor of books and magazines requested a system that would automatically check each pick orders by weight. The system must interface to the legacy AS400 host system and the existing conveyor and pick to light system.

The Solution: High Accuracy Checkweigh and carton reject system

CASI proposed a checkweigh system using a high accuracy 971 checkweigher and SolidCheck and SolidComm to perform the operation.

System Overview

automatic weigh system for pick to light

Magazines and books are picked into a shipping container using pick to light.

checkwiegher system

Cartons stage in zero pressure accumulation before the scale and are metered onto the in motion scale one at a time.

scan weight pick to light

The barcode is scanned from the side in a picket fence orientation as the carton is conveyed onto the scale. A database lookup is performed to determine the expected weight of the carton using SolidComm.

picking system interface checkweigher

Cartons that pass the check weigh process are conveyed to a gravity spur and palletized.

divert for checkweigher

Cartons that fail are diverted to QC where the order is manually checked. Once checked, the carton is re-inducted and processed again by the checkweigher.

Benefits from the new efficiencies

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