. Railway mechanical engineer . Fig. 6—Boring the Rods on a Double Spindle Boring Machine purchased in the open market under physical and chemical specifications made by the railroad company. As an order fib- 8-Slottlng the Rods for the Knuckle Joint Connection is placed the blacksmith shop foreman selects the proper , . ^ , , . , . ■ i,. sized billets The billets are taken from the pile to the they are set aside and just before the shop closes at night, forging furnace bv the electric truck. The furnaces in they are put back into the furnace and allowed to anneal which the rods are heated use
. Railway mechanical engineer . Fig. 6—Boring the Rods on a Double Spindle Boring Machine purchased in the open market under physical and chemical specifications made by the railroad company. As an order fib- 8-Slottlng the Rods for the Knuckle Joint Connection is placed the blacksmith shop foreman selects the proper , . ^ , , . , . ■ i,. sized billets The billets are taken from the pile to the they are set aside and just before the shop closes at night, forging furnace bv the electric truck. The furnaces in they are put back into the furnace and allowed to anneal which the rods are heated uses gas which makes it possible with the cooling of the furnace and m this way relieving all July, 1917 RAILWAY MECHANICAL ENGINEER 401 hammer strain. They are removed from the furnace thefollowing morning and delivered to the machine shop by. Fig. 9—Fluting the IVIain Rods the electric truck. They are allowed to cool throughout the day and night, not being machined until the next morning. The first machine work to be done is to mill the sides of the rod. This is done on a slab milling machine as shownin Fig. 5. Both the center and ends are milled. On accountof the grease cups which are forged on the rods, it is im-possible to get more than one rod on this particular machine,except when the rods are being fluted, where it is possibleto allow the grease cup to extend over the side of the ma-chine. After the rods have been milled to size, they arepaired and laid off according to a template. From therethey pass to the double spindle rod boring machine shownin Fig. 6, the paired rods being bored for the brass tit andthe knuckle pin bushing, .^n adjustable boring tool is usedfor boring the holes in the rod. .•^fter the rods have been bored, the oil cups and knucklepin oil cups are drilled, faced and tapped, a skip thread tap
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
