The XCMG PN 200604152 (drawing RP803.14.1.5) is a welded distribution (auger) shaft specified for the XCMG RP803 paver's auger conveyor system (section 14) — the shaft that carries helical paddles/blades to spread asphalt mix evenly ahead of the screed; "750" denotes the effective shaft length matching the RP803 paving-width segment. On XCMG RP-series pavers, the distribution shaft is chain-driven from the divider gearbox and transmits up to ~5000 N·m class torque, running partially buried in hot mix — a high-torque, abrasive-duty position where the shaft sees combined torsion + abrasive wear, making it a high-wear structural spare in the paver's material-handling train. "焊接" (welded) means this is a welded assembly (shaft body + mounting disc + locating features per OEM dwg 14.1.5), post-weld machined to secure concentricity and disc hole pattern — distinct from later patent designs using interference-fit shaft+disc without welding. Key points: (1) "750" is length, not model — RP803 uses multiple shaft lengths by left/right and segment; confirm BOM location 14.1.5 (left/right, segment order) before ordering; (2) shaft is a structural weldment, not routine consumable — but high-wear scenarios (mining/overload paving) see failure modes at blade-mount bores, shaft bend, or disc spline/keyway stripping; overseas service stations often bundle "shaft + auger blades + bearings + seals" for one-stop rebuild; (3) welded assembly = longer lead than shelf spares, advise ETD pre-quote.
Material Description:
RP803.14.1.5 Splitting Rod Welding (750)
