Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 246
^ steel plates 7 ft. wide, to 48 radius at one pass. Arrangedfor the removal of work bent to the full circle. Top roll 17 diameter, lower rolls14-^ diameter. All of forged steel. Distance between housings, 7 ft. 6.Operated by reversing clutches from counter or line-shaft. All movements of… … 16 SHIP-PLATE ROLLS.—14 Feet Between Housings. This machine has four cast-iron rolls, two pinching rolls 16 diameter, andtwo bending rolls of 12 diameter, with centre supports, making the machine un-usually stiff and strong. The pinching rolls are driven from independent trainsof gearing by pulleys…
Machine-tools · Machinery
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