Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts . pair of engines with 50-in. cylinders and 4 ft. stroke, geared 2.88 to 1 to the rolls. Plates 10 ft. or10 ft. 6 in. wide can be rolled. The screws for adjusting the rolls are 9 in. in diameter and 1 in. 2475.. pitch, and they are worked by ordinary spanners (not shown) having a radius of 4 ft. and 16 arms.The feet of the housings are planed where they rest on the bed-plates, and the holes for the screw- IRON-WORKING MACHINERY. 20^ bushes bored. Holes are also cast in thehousings for th
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Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts . pair of engines with 50-in. cylinders and 4 ft. stroke, geared 2.88 to 1 to the rolls. Plates 10 ft. or10 ft. 6 in. wide can be rolled. The screws for adjusting the rolls are 9 in. in diameter and 1 in. 2475.. pitch, and they are worked by ordinary spanners (not shown) having a radius of 4 ft. and 16 arms.The feet of the housings are planed where they rest on the bed-plates, and the holes for the screw- IRON-WORKING MACHINERY. 20^ bushes bored. Holes are also cast in thehousings for the balance-pillars to passthrough, and the latter are cottered intothe chocks as shown. The arrangementfor traveling the slab or plate forward intothe rolls consists of a roller 9 in. in diame-ter traversing nearly the whole length ofeach plate (front and back), as shown inthe half plan and cross-section, Figs. 2473and 2474, this roller being supported inthe middle of its length by a friction-roller.On the outer end of the bottom (main) rollis keyed a plain friction-roller 2 ft. 9 in. indiameter and 9+ in. wide, and on the endof each 9-in. roller-spindle (which passesthrough the body of the housing, and iscarried by the outer bearing) is keyed an-other roller 15 in. in diameter; betweenthe two rollers mentioned