A personal care manufacturer needed a reliable solution for feeding bottles into a capper on their production line. The challenge involved handling three sizes of Native rectangular containers (16oz, 18oz, and 36oz), both full and uncapped, with throughput requirements of 100-200 containers per minute (CPM). The containers required precise alignment to allow seamless capping operations while preventing jams caused by backlog. Additionally, the system needed to fit within the existing machine guarding, and the customer provided specific electrical and mounting requirements.
To address the customer’s needs, Morrison designed and delivered a dual servo screw system tailored for continuous operation at high speeds. The solution included:
• Timing Screws: Six timing screws made of 5” OD UHMW plastic with lengths of 30” and 24”. These screws featured a shingle infeed design to provide smooth container handling and precise positioning.
• Motor and Gearbox: Two AB VPL servo motors with servo reducers provided precise control and adaptability for handling different container sizes.
• Backlog Management: To prevent jams, the system incorporated backlog control as a required feature for smooth operation.
• Mounting and Adjustability: Deluxe adjusters and all necessary hardware were included to mount the system securely to the customer’s existing conveyor.
• Change Parts: Three sets of shingle infeed guides and transfer guides allowed quick changeover between container sizes, minimizing downtime.
• Clutch Functionality: Controls were programmed to act as a clutch, monitoring current overloads to protect the system and containers.
The system was constructed from stainless steel with wipe-down capabilities, providing durability and compliance with plant conditions. This robust construction met the demanding requirements of the production environment while maintaining easy maintenance.
Morrison’s dual servo screw system enabled the manufacturer to achieve seamless bottle feeding into their capper at speeds of up to 200 CPM. Key outcomes included:
• Increased Throughput: The system handled the continuous flow of three container sizes with ease, meeting the high-speed requirements.
• Reduced Downtime: The shingle infeed design and quick-change parts
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