The cones are very easily removed, and although they may vary in size or shape, any irregularities are taken care of by the mandrels.
"Illustrated Catalogue of Cotton Machinery"
Howard & Bullough American Machine Company, Ltd.
The pulleys to be turned are placed upon mandrels and driven by two arms engaging opposite arms of the pulley.
"Modern Machine-Shop Practice, Volumes I and II"
Joshua Rose
789, and the work will be held true whether its bore be parallel, stepped, or taper, a valuable feature not usually found in expanding mandrels.
"Modern Machine-Shop Practice, Volumes I and II"
Joshua Rose