Turntable stretch wrapper B200

Enhancing Logistics: Understanding Turntable Stretch Wrappers for Optimal Load Stability

In today's fast-paced supply chains, ensuring pallet loads are secure and stable during transit is paramount. Manual wrapping can be time-consuming, inconsistent, and physically demanding. Automated solutions like turntable stretch wrappers offer significant advantages in efficiency, safety, and load integrity. This guide explores the functionality and benefits of these essential warehouse machines.

What is a Turntable Stretch Wrapper?

A turntable stretch wrapper is an automated or semi-automated machine designed to wrap palletized loads with stretch film. The core principle involves placing the pallet load onto a rotating platform (the turntable). As the turntable spins, a film carriage assembly, holding a roll of stretch film, moves vertically up and down a mast, applying the film securely around the load.

How Turntable Stretch Wrappers Work: A Practical Example

Let's consider the operational flow, using common features found in models like the B200 series:

1. Load Placement: The pallet load is placed centrally onto the rotating turntable. Turntables vary in diameter (e.g., 2000mm) and weight capacity (often up to 2000 kg or more) to handle different load sizes.
2. Machine Activation: Using a control system, often featuring a PLC (Programmable Logic Controller) and a Touchscreen HMI (Human-Machine Interface), the operator initiates the wrapping cycle. Key parameters like rotation speed, film tension, and the number of top/bottom wraps are set via the HMI.
3. Wrapping Cycle:
   • The turntable rotates at a controlled speed (e.g., up to 18 rpm).
   • Simultaneously, the automated film carriage, containing the stretch film roll, travels vertically along the mast. The film width compatibility might range (e.g., 800 mm to 1600 mm carriage adjustment for film widths like 200mm to 400mm).
   • The combination of turntable rotation and vertical carriage movement ensures the load is wrapped evenly from bottom to top. Many machines offer wrapping modes like single, double, or reinforced wrapping patterns.
4. Film Management: Advanced systems often include a pre-stretch unit, which stretches the film before application. This maximizes film yield (reducing costs) and increases load holding force.
5. Cycle Completion: Once the programmed wrapping cycle is finished, an automatic film cutter cleanly cuts the stretch film. The wrapped pallet is then ready for removal.
   

   

   Key Features and Considerations for Turntable Stretch Wrappers

When evaluating turntable stretch wrappers, consider these critical features:

• Turntable Specifications:
  • Diameter: Must accommodate your largest pallet footprint.
  • Rotation Speed (RPM): Impacts throughput – higher RPM means faster wrapping.
  • Weight Capacity: Ensure it exceeds your heaviest expected load.
• Film Carriage System:
  • Pre-stretch Capability: Highly recommended for film savings and load security. Look for percentage options (e.g., 150%, 200%, 250%).
  • Film Compatibility: Check supported film widths and types (e.g., PE stretch film).
• Control System:
  • PLC Automation: Ensures consistent, repeatable wrapping cycles.
  • HMI Interface: Allows easy programming, parameter adjustments, and diagnostics.
• Safety Features: Non-negotiable elements include:
  • Light curtains to detect intrusion into the wrapping zone.
  • Physical guards over moving parts.
  • Clearly marked emergency stop buttons.
• Construction and Power:
  • Build Quality: Robust construction for industrial environments.
  • Power Requirements: Ensure compatibility with your facility's supply (e.g., 220V/50Hz, 3 Phase).
• Optional Enhancements: Depending on specific needs, consider:
  • Top Sheet Dispenser: Applies a waterproof top layer before or during wrapping.
  • Integrated Scale: Weighs the load during wrapping.
  • Roping Device: Bundles the film into a rope at the top or bottom for extra stability.
  • Automatic Film Cutting and Wiping: Fully automates the end-of-cycle process.

Benefits of Automated Turntable Wrapping

Investing in a turntable stretch wrapper provides tangible advantages:

• Improved Load Stability: Consistent tension and wrap patterns significantly reduce product damage during shipping and handling.
• Increased Efficiency: Automating the wrapping process drastically cuts down manual labor time, increasing throughput.
• Material Savings: Pre-stretch systems can reduce film consumption by 50% or more compared to manual wrapping.
• Enhanced Safety: Reduces ergonomic risks associated with manual wrapping. Automated safety features protect operators.
• Professional Appearance: Consistently wrapped pallets project a more professional image.
  

  

  Choosing the Right Solution

Selecting the ideal Turntable stretch wrapper B200 or similar model depends on a thorough assessment of your specific operational requirements. Factors like load dimensions, weight, required speed, budget, and desired automation level are crucial. Consulting with experienced packaging solution providers can help customize a system that perfectly aligns with your needs, ensuring optimal performance and return on investment.

For more insights into packaging best practices, consider resources from organizations like the Packaging Machinery Manufacturers Institute (PMMI).