Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 724
Pig. 2. —Multiple punch.punches of short lengths and small diameter can be adjusted to stocks made for largerpunches. Heretofore the changing of punches of large diameters for smaller ones has neces- … Fiti. 3.—Automatic spacing punch,sitated the use of stocks of various sizes and lengths. With the use of the coupling, onestock will do for many lengths and diameters. 696 PUNCHING MACHINES. The distance from point of punch to coupling is the same, whether long, short, or regularcoupling is used.…
Mechanical engineering
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
