Power Transmission: Belts, Chains, Clutches, and Brakes Tightening Torque For dry, unlubricated, or average threads, K = 0.2. For lubricated threads, K = 0.15.
Machine * * Shear Pins and Slip Clutches Prevents damage to feed mechanism from overload or sudden torque Shear pins Made of brass Found on feed rod, lead screw, and ...