The expanding Mandrel Collet Chuck is designed to clamp the minor diameter of an internal spline. This allows the user to machine the internal counter bore, the outside profile, and the face of the ...

Ingenuity is the name of the game with manual machine tools. You often have to get creative to use the tools you have to create the part you want. That’s exactly what happened when [John] needed to ...

Figure 1 shows a spline shaft and teeth together. The teeth of a hob form a trapezia with two lines from sides under angle @. See Figure 1, which shows a spline shaft and teeth, pictured together. If ...