171435-010 - Tweco .045 Knurled Drive Roll Kit for Thermal Arc Fabricator

Technical Overview: Tweco 171435-010 Drive Roll Kit

The Tweco 171435-010 is a specialized drive roll kit engineered for the feeding of .045-inch (1.2mm) flux-cored welding wires. This kit is designed for use with 2-roll wire feed systems found in specific Thermal Arc multi-process welding machines. The rolls feature a knurled groove geometry, which is essential for gripping the softer, tubular structure of flux-cored wire without deforming it, unlike smooth V-groove rolls used for solid wire.

Manufactured to precise tolerances, these rolls ensure consistent wire feed speed, which is critical for maintaining arc stability and weld quality in FCAW applications. The kit typically includes both the upper and lower rolls required to outfit the feed mechanism. Proper selection of drive rolls based on wire type and diameter is a fundamental maintenance requirement for preventing feed issues such as slipping or bird-nesting.

Compatibility

This drive roll kit is compatible with the following power sources:

• Thermal Arc Fabricator 181i
• Thermal Arc Fabricator 211i
• Thermal Arc Fabricator 252i