. Electric railway journal . ommutator slotter, as shown in theaccompanying illustration, was made up in the shop frommaterials easily procured and at a practically negligiblecost. With this Westinghouse No. 49 motors having 117slots in the commutator can be slotted in forty slotting equipment, which is applied to one of thestandard engine lathes in the shop, consists of a piece ofboard bolted to the T-slots on the lathe carriage, uponwhich is clamped a small motor, the clamps permittingeasy alignment for the belt. An iron bracket bent at rightangles is bolted in the slot in the to
. Electric railway journal . ommutator slotter, as shown in theaccompanying illustration, was made up in the shop frommaterials easily procured and at a practically negligiblecost. With this Westinghouse No. 49 motors having 117slots in the commutator can be slotted in forty slotting equipment, which is applied to one of thestandard engine lathes in the shop, consists of a piece ofboard bolted to the T-slots on the lathe carriage, uponwhich is clamped a small motor, the clamps permittingeasy alignment for the belt. An iron bracket bent at rightangles is bolted in the slot in the tool carriage, from whichthe tool post is removed, and to the vertical side of thisbracket is bolted an old slide rest set vertically, thus per-mitting the raising or lowering of the bearing for the saw-arbor, which is bolted to the old slide rest in place of theoriginal tool post. The arbor or shaft which carries thesaw is equipped with a pulley on the opposite end, andover this is run a belt to the pulley of the small lowest speed, or 11 , tension being put upon the wireby means of a slotted stick of maple with bolts throughthe end to clamp the wire between the two sides of theslot. This stick rests against the rear of the lathe wire is carried on an ingenious home-made reel. Thiswas cast in iron, using a bell-cord spool for a the ends of the spool were faced off and centered asmall hole was drilled through the core so that the be attached when the process of winding was %-in. bolts were then pointed to match the centersin the spool ends and screwed into tapped holes in angle-iron brackets, which in turn were mounted on the wall backof the winding lathe. As the pointed bolts have set nutsto lock them after insertion in the spool center, they actas a brake to keep the spool from unwinding too rapidly,and they can be adjusted to give any desired tension. HOME-MADE CROSS-ARM BORING MACHINE The Nashville (Tenn.) Railway & Ligh
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
