The Lincoln Electric KP2031-2B1 is a precision-engineered collet body designed to facilitate high-performance TIG welding operations. Specifically manufactured to accommodate 0.040-inch (1.0 mm) tungsten electrodes, this component plays a critical role in the TIG torch assembly by securing the collet and transferring welding current to the electrode. It is constructed from high-grade copper alloy, selected for its excellent thermal and electrical conductivity properties, which helps in maintaining a stable arc and managing the heat generated during the welding process.
This collet body is designed for compatibility with a wide range of air-cooled and water-cooled TIG torches. It fits the Lincoln Electric PTA-9 and PTA-20 series, as well as the PTW-20 water-cooled torches. Furthermore, it adheres to industry-standard sizing for the 9 and 20 series (often referred to as WP-9 and WP-20), making it a versatile consumable for mixed-brand welding environments. The precise threading ensures a secure connection to the torch head, preventing gas leaks that could compromise the weld pool shielding.
In the TIG welding assembly, the collet body acts as the housing for the collet. As the back cap is tightened, the collet body remains stationary while the collet is compressed against the tungsten. The KP2031-2B1 is machined to tight tolerances to ensure that the collet seats perfectly, preventing electrode slippage and ensuring concentricity. This alignment is vital for precision welding applications where arc control is paramount. Additionally, the body features gas orifices that distribute the shielding gas into the ceramic nozzle, initiating the laminar flow required to protect the molten weld pool from atmospheric contamination.
Regular inspection and replacement of the collet body are essential for maintaining weld quality. Over time, thermal cycling can cause threads to degrade or the seating surface to wear, leading to poor conductivity or gas turbulence. By choosing genuine Lincoln Electric consumables like the KP2031-2B1, operators ensure consistent performance and extend the service life of their torch front-end parts. This component is an indispensable part of any TIG welder's inventory when working with fine gauge materials requiring .040" electrodes.
| Additional Information |
|---|
| Packaging Description:1 Per Ea, 5 PER EA |
| Item:Collet, Collet Body |
| Brand:Generic |
| Diameter:0.040 |
| Compatible Torch Series:PTA-20, PTA-9, PTW-20, WP-20, WP-9 |
| Material:Copper Alloy |
| Tungsten Size:0.040" (1.0 mm) |
| Component Type:Standard Collet Body |
