Cutter, shell mill

More often referred to as a shell end mill . Fig. 11.8(h), this cutter has teeth cut on the circumference and on one end. The tooth end is recessed to receive a screwhead for holding the cutter on an arbor. A key slot on the back face provides the drive from two keys in the arbor. The... 

Cutters which are used close to the spindle, such as shell end mills, are mounted on a stub arbor. Fig. 11.10. This arbor is located, held, and driven in the spindle in the same way as a standard arbor. The cutter is located on a spigot or stub and is held in position by a large flanged screw. Two keys on the arbor provide the drive through key slots in the back face of the cutter. 

Cutters which are used close to the spindle, such as shell end mills, are mounted on a stub arbor. 

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