Our frequent contributor Mark Grizotsky writes with additional information on the subject of straight-sided spline shafts. “When we find a trapezoidal profile or form for the angle of the tooth of a ...

Roughing spline shaft hobs with 2-radius teeth profiles are used to generate rough straightside spline shafts, leaving extremely uniform grinding stock allowances distributed on the I.D. of the shaft ...

Synchronous belts — originally known as timing belts — precisely match, or synchronize, the motion of two or more shafts. They keep shafts in synch because they have a toothed surface that meshes with ...