. American engineer and railroad journal . I)IKKCT-<IE.\RED DRIVE UPON A 6-FT. FULL RADIAL DRILL.—KiMACHINE TOOL ELECTBIO VABLiBLE-SPiaa) MOTOR BT FIELD CONTROL, CONSTANT-SPEED DRI\E UPON A DRILL PRESS.—FOSUICK MACHINETOOL COMPANT. methods of mounting both variable-speed and constant-speeddrives, which have successfully been made use of by the Fos-dick Machine Tool Company, Cincinnati, Ohio. These exam-ples will take their place as the best practice in motor applica-tions to this class of tools, the variable-speed drive being espe-cially commendable. The larger en
. American engineer and railroad journal . I)IKKCT-<IE.\RED DRIVE UPON A 6-FT. FULL RADIAL DRILL.—KiMACHINE TOOL ELECTBIO VABLiBLE-SPiaa) MOTOR BT FIELD CONTROL, CONSTANT-SPEED DRI\E UPON A DRILL PRESS.—FOSUICK MACHINETOOL COMPANT. methods of mounting both variable-speed and constant-speeddrives, which have successfully been made use of by the Fos-dick Machine Tool Company, Cincinnati, Ohio. These exam-ples will take their place as the best practice in motor applica-tions to this class of tools, the variable-speed drive being espe-cially commendable. The larger engraving represents a 6-ft. full-universal Fos-diclc radial which has been adapted for a variable-speed motordrive. The result is an exceedingly neat drive, inasmuch asthe use of all cone pulleys and belts is entirely obviated; it notonly greatly simplifies the construction and operation of thedrill, but also adds greatly to its general appearance. Conepulleys and belts are rendered unnecessary by the use of thevariable-speed motor, wh
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
