Helical Shaft Mount (HSM)


The Helical Shaft Mount (HSM) provides a convenient installation and removal method for speed reduction by mounting directly on the drive shaft. Sumitomo's Taper-Grip® bushing design provides simple, keyless mounting and easy removal. HSM is readily adaptable for CEMA screw conveyer and shaft mount options. Carburized gear teeth with optimal gear geometry and wide gear faces, enable HSM to deliver high-efficiency torque output and maximum ratings capacity in a compact design.


Power ¼ to 300HP
Ratio 5:1 to 25:1
Sizes 107 to 608
Bore Sizes 1 3/16" to 6 1/2", metric optional
Mounts Vertical, horizontal, and direct drive mounting configurations
Lubrication Oil lubrication, synthetic lubricant optional
Housing Cast iron case construction
Screw Conveyor CEMA Standards
Accessories Available Taper Grip Bushing, Motor Mount, Back Stop, Torque Arm,
ABS Belt Guard, Belt, Breathers, Sheaves, Harsh Duty Seal, Screw Conveyor, Screw Conveyor Adapter Kit, Screw Conveyor Seal Kit
Power ¼ to 300HP














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