Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 244
t. Pulleys, 30 diameter for 4. belt.Should make 180 revolutions per minute. Bending roll adjustable by hand. Theequalizing gearing is an important feature of this machine, as it enables both rollsto be driven with less power than would be required if one had to slip on theplate. This is a simple… … 16 PATENT PLATE BENDING MACHINE- Top rolls, i6 diameter ; bottom rolls, 13; to bend ^ plate 12 ft. wideto circle of 64 in one pass. A// three of the rolls arc driven. Driving the lowerrolls insures starting of the plate, while the main driving is through the top roll-Our lost-motion clutch enables…
Machine-tools · Machinery
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