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Speed Reducers

Speed Reducers
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Tulsa Winch

TULSA SPEED REDUCERS Tulsa Winches and Speed Reducers have been proven on the job—where it counts—for over 55 years-They are engineered and manufactured to provide reliability, efficiency, and years of trouble free service in all types of applications. • QUALITY CONSTRUCTION—Each compo- nent of the Tulsa Speed Reducer is carefully designed and manufactured from the finest materials to provide high strength and low weight Worm gearing offers high reduction ratios in a close coupled, right angle The Worm is a heat treated alloy steel forg- ing, machined, ground and polished to develop a...

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SELECTION CRITERIA To select the right Tulsa Speed Reducer for your application, first determine the perfor- mance required, either from the formulas below or your own engineering data, then detrermine the type of mounting required, either upright, low mount, or flange mount. Finally, select the proper model from the performance chart on pages 4 and 5. If you need help with your selection please contact your Tulsa Winch sales representative. E = Effective Pulling Radius (In.) or ¡I (Ft ) Line Speed = S = .524 (constant) x E x RPM Torque (out) = T (in) x R x Efficiency (Decimal) SAMPLE...

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