Sawmill parts, service, repair and custom engineering solutions worldwide

Splined Sleeved Arbors

Promac sleeved splined arbors offer advantages in maintenance procedures long term costs – backed by 35+ years experience in sawmill arbors.

Local sawmills required a manufacturer that could match or surpass original equipment quality, which traditional suppliers struggled to provide. By building close relationships with local/regional mills and understanding their unique operational needs, Promac developed a reputation for excellence in manufacturing, maintenance, and service, while staying at the forefront of industry technology and trends.

Sleeved Splined Arbor Features:

Spline T.I.R. is 0.004”, 0.001” across journals

Shaft design and Q.C. remains in-house

Mandrel shafts machined from 4140 HTSR

Accurate keyway alignment enables shifting applications

Chromed and ground to prevent corrosion and fusing

Optimized sleeve bore tolerances results in minimal runout

Swap and flip sleeve allows 4 x longer maintenance intervals

Features heavy duty sleeve retaining nut

Ask about converting your solids arbor to sleeved!