Techno Linear Motion Catalog9Technical InformationTorque:T= FR(1)where:T = Torque (lbft)F = Force (lb)R = Radius, or distance that the force is from thepivotal point (ft)Linear to rotary motion:VN= (2)0.262Dwhere:N = Speed of shaft rotation (rpm)V = Velocity of material (fpm)D = Diameter of pulley or sprocket (in)Horsepower:Rotating objects:TNP= (3)5250where:P = Power (hp)T = Torque (lbft)N = Shaft speed (rpm)Objects in linear motion:FVP= (4)33000where:P = Power (hp)F = Force (lb)V = Velocity (fpm)Accelerating torque and force:Of rotating objects:(WK2) DNT= (5)308twhere:T= Torque required (lbft)WK2= Total inertia of load to be accelerated (lbft2)See formulas 7, 8, 9 and 10DN = Change in speed (rpm)t= Time to accelerate load (sec)Objects in linear motion:W DVF= (6)1933twhere:F= Force required (lb)W= Weight (lb)DN = Change in velocity (fpm)t= Time to accelerate load (sec)Moment of InertiaSolid cylinder rotating about its own axis1WK2= WR2(7)2where:WK2= Moment of inertia (lbft2)W= Weight of object (lb)R= Radius of cylinder (ft)3) Basic Engineering InformationThe following engineering information will help solve technical problems frequently encountered in designingand selecting power transmission components and systems.RV3ND