PS520 Pallet Load Stacking Equipment

GENERAL DESCRIPTION

Efficient Design

The PS520 mounts on both sides of the pallet conveyor to minimize floor space requirements. Pallet loads are located in the conveyor flow direction with a set of positive stop gates. A pneumatic alignment system locates the pallets in a consistent position in the cross-conveyor direction. The Pallet Load Stacking Equipment uses pneumatic slide arms to grab the pallet and lift it with an electric motor.

PLC Controlled

The machine is controlled by a PLC, which can communicate with the conveyor, stretch wrapper, and palletizer, making it an integral part of the packaging line. By tracking pallets via a data stream provided from the palletizer, non-matching or partial pallets are allowed to pass through.

Built to Last

The PS520’s heavy-duty, two-post steel frame delivers maximum stability and quick installation, and is ideal for high volume warehousing operations where space is at a premium.

Technical Specifications

  • Size (L × W × H): 137.0” x 178.0” x 130.0” (3.5 m x 4.5 m x 3.3 m)
  • Electrical: 480 VAC, 60 Hz, 3 phase, 10 A; 110VAC,60 Hz, 15A; 24 VDC Control Pane
  • Pneumatics: 3 SCFM (80 Lpm) @ 60 PSI (552 kPa) Clean Dry Air
  • Pallet Size: 40” x 48” CHEP or GMA pallet loads traveling broad side first
  • Maximum base pallet load height 56” on 30” conveyor
    68” on 18” conveyor
  • Maximum lifted pallet load weight:1200 lbs.
  • Double-stack cycle time: 45 sec.

OPTIONS

  • Heavy-duty upgrade - Increased maximum pallet load weight
  • HMI status display - (WonderWare, Vorne, RSView, PanelMate, PanelView, more)
  • Customer-specified control system - (Allen-Bradley PLC/SLC/CLX, Flex, I/O, more)
  • Custom load height - Increased maximum base load height
  • Custom load sizes - Adaptation for a wide range of pallet load sizes
  • Extra capacity - Multi-stack (3+) capability
  • Over-stack prevention - “Top Level Full” detector (photocells and partial load tracking)
  • Safety switches - Additional maintenance access gate safety switches
  • Turnkey installation - On-site pre-inspection and equipment installation

STANDARD FEATURES

  • Compact size

    Uses minimal amount of floor space; easy to install

  • Variable-speed electrical lift

    Low impact starts and stops
    Better accuracy of lift placement when setting down load

  • Load alignment system

    Extremely accurate pallet stacking

  • Load on Foot sensor

    Ensures lifting carriage will not retract until load is down

  • Open design

    Open top allows for higher multiple stacks and ease of installation

  • Heavy-duty stand and mounting

    Large posts (12“ L x 8“ W x 3/8“ THK) and mounting ensure maximum stability for pallet load lifting

  • PLC fault messages

    Operator friendly HMI controls and problem identification

  • 24 VDC UL Listed control panel

    Safer than 120 VAC control panels

  • Short pick-up travel

    Faster stacking than standard forklift style pickup
    Reduced chance of pallet misalignment

  • Linear carriage travel rails

    Heavy-duty linear bearing for years of quiet, precise, dependable operation

  • Top of Load sensor

    Minimal lifting motion for faster throughput
    Accurate pallet load height measurement

  • Industrial safety features

    Wire mesh safety enclosure
    LEXAN® safety guard around 480 VAC in control panel
    NEMA 12 controls enclosure
    Lockable electrical disconnect and air dump valve

  • Chain safety spring

    Spring loaded chain take-up on tower lifting chain provides soft connection to lessen drive impacts during jam conditions

  • Carriage over-travel stops

    Upper and lower stops ensure mechanical over-travel protection

  • Fault beacon

    Initiates operator alert when machine is down

  • Ratcheting Emergency Fall Prevention

    Provides “zero stored energy” state during maintenance

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