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 641
by thediagonal rolling of the plates, i^/, and the other a finishing operation, consisting in widen-ingthe tube on the mandrel, E. In this ease the rollers, A a, may be given a velocity suchas to make the mandrelled part of the tube rotate more rapidly than that part of the ingotsubmitted to the… … Fici. 7.—Manufacture of spirally welded tubing. between the converging generatrices at O g, undergoes a preparation that reduces its dia-meter and hollows its extremity at d {14), so that it can favorably meet the point of themandrel in passing from the converging to the diverging generatrices of…
Mechanical engineering
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