0558102376 - ESAB U-Groove Drive Roll Kit .035/.040 for Aluminum Wire

Technical Overview: ESAB U-Groove Feed Roll Set

The ESAB 0558102376 Feed Roll Set is a specialized component designed for the precision feeding of soft welding consumables, specifically aluminum alloys such as 4043 and 5356. Unlike standard V-groove rolls which use a sharp profile to bite into solid steel wires, these rolls feature a U-shaped groove. This geometry increases the surface area of contact between the drive roll and the wire, allowing for sufficient traction force to be applied without compromising the structural integrity or roundness of the wire. This is critical in push-feeding systems where wire deformation can lead to increased friction within the liner and contact tip.

This set includes two matching rolls, engineered to accommodate two specific wire diameters: .035 inch (0.9 mm) and .040 inch (1.0 mm). The dual-size capability allows operators to switch between these common light-industrial aluminum wire sizes without purchasing separate roller kits, provided the machine setup allows for reversible or adjustable orientation. The rolls are manufactured from hardened steel to resist wear over time, ensuring consistent wire feed speeds and arc stability.

Proper drive roll selection is a fundamental aspect of welding procedure specification (WPS) adherence for aluminum applications. Using incorrect drive rolls (such as knurled or V-groove) on soft wire introduces shavings into the liner, leading to clogging, erratic feeding, and burn-back. The ESAB 0558102376 ensures that the mechanical feeding system operates within OEM specifications for soft wire delivery.

Specifications and Compatibility

These rolls are designed as direct replacements for compatible ESAB and legacy Thermal Arc wire feed systems. Users should verify the shaft diameter and keyway configuration of their specific wire feeder model against the physical dimensions of these rolls. The kit is supplied as a pair, ensuring that both the upper and lower (or driven and idle) points of contact are matched for optimal performance.