Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 214
The bottom roll is also cast withgrooves on one-half of its length only, theremainder being left taper or conical, orthis latter half is done away with altogeth-er. The middle roll carries grooves on onehalf of its length, and ridges on the otherhalf, all the grooves which roll in the samedirection… … 204 JACKET. collars between the grooves. The top and bottom rolls, when cast with conical ends, are left quitein the rough on this useless portion, in order to economize cost of material. The lower roll, from thesame motive, is generally cast hollow. In this mill, the bar or ingot or bloom is first…
Mechanical engineering -- Dictionaries
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
