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CORMAK Uchwyt samocentrujący do rur WP400

The WP400 self-centering three-jaw chuck is a high-grade accessory designed for use with welding positioners and rotary welding tables. It enables fast and stable clamping of cylindrical or hexagonal workpieces within a diameter range of 120 to 380 mm. Thanks to its robust construction and high clamping force, the chuck ensures the reliability and precision required for automatic and semi-automatic circumferential welding processes.

Main advantages of the WP400 chuck:

- Wide clamping range – the ability to hold components with diameters from 120 to 380 mm provides versatility for both series and single-piece production.
- Self-centering three-jaw mechanism – guarantees rapid and accurate alignment of the workpiece along the rotary axis of the positioner.
- High clamping force – 350 kg – allows secure fixing of even heavy components during dynamic rotation.
- Compatibility with welding positioners – the chuck is optimally suited for rotary welding tables, enabling full utilisation of their capabilities.
- Stable and durable design – developed for long-term usage under industrial conditions.

Design and Technology

The WP400 model is equipped with a precise, mechanical, synchronously operating clamping system, ensuring that the workpiece is always accurately positioned relative to the rotation axis. The three independently moving jaws are made from hardened steel, resistant to wear and deformation. A large through-bore diameter of ⌀170 mm allows for through-feeding of parts, such as pipes and sleeves, while the load capacity of 240 kg provides safe handling of heavy workpieces.

Precision and Efficiency

The WP400 chuck minimises setup time for welding, directly contributing to increased workstation throughput. The self-centering system eliminates alignment errors and improves the quality of circumferential welds. The chuck’s construction delivers structural rigidity, which is crucial for fully-automatic operations.

Applications

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The WP400 chuck is suited for industrial operations utilising welding positioners, rotary welders, and other devices supporting welding processes. It is ideal for clamping pipes, sleeves, flanges, and other components that need to be machined or welded in a rotary setup. Thanks to its high clamping force and load capacity, it is suitable for both light and heavy-duty production.

Technical data
Model: WP-400
Maximum clamping force: 350 kg
Maximum load capacity: 240 kg
Bore diameter: ⌀ 170 mm
Clamping range: ⌀ 120–380 mm

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