Combination tools for polyester strapping are designed to tension, seal, and cut the strapping in one integrated process, streamlining the packaging operation. Here's how they work:
1. **Tensioning**: The tool grips the polyester strapping and pulls it tightly around the package. This is achieved through a tensioning mechanism, often a ratchet or lever system, which allows the operator to apply the desired tension to secure the load effectively.
2. **Sealing**: Once the strapping is tensioned, the tool seals the strap. This is typically done using a friction weld or heat seal method. In friction welding, the tool vibrates the overlapping strap ends at high speed, generating heat through friction, which melts the strap surfaces and fuses them together. Heat seal tools use a heated element to melt and bond the strap ends. Both methods create a strong, durable seal without the need for metal seals or buckles.
3. **Cutting**: After sealing, the tool cuts the excess strapping. This is usually done with a built-in cutter that slices through the strap cleanly, leaving a neat finish. The cutting mechanism is often activated automatically after sealing, ensuring efficiency and safety.
Combination tools are available in manual, pneumatic, and battery-powered versions, each offering different levels of convenience and efficiency. Manual tools require physical effort, while pneumatic and battery-powered tools reduce operator fatigue and increase productivity by automating the tensioning and sealing processes.
These tools are essential in industries where securing loads with polyester strapping is critical, such as logistics, manufacturing, and shipping, providing a reliable and efficient method for bundling and securing products.