. Appleton's dictionary of machines, mechanics, engine-work, and engineering. TOOL, PORTABLE DRILLING—By Nasmytii, Gaskkll & Co., Manchester. Fig, 3652 is a sideelevation of the machine; Fig. 3653, a front view. Fig. 3654 is a partial section through the axis of the drill-spindle. Fig. 3655, a cross-section above the table N, showing the form of the frame A. A. This frame is formed of one casting, and is bolted to a large sole-plate, which serves as a foundationwithout other fixing. B B, the drill-spindle, passes through a long tube marked 0 0. and which servos as a guide to tlspindle,
. Appleton's dictionary of machines, mechanics, engine-work, and engineering. TOOL, PORTABLE DRILLING—By Nasmytii, Gaskkll & Co., Manchester. Fig, 3652 is a sideelevation of the machine; Fig. 3653, a front view. Fig. 3654 is a partial section through the axis of the drill-spindle. Fig. 3655, a cross-section above the table N, showing the form of the frame A. A. This frame is formed of one casting, and is bolted to a large sole-plate, which serves as a foundationwithout other fixing. B B, the drill-spindle, passes through a long tube marked 0 0. and which servos as a guide to tlspindle, in ascending ami descending. The spindle is attached by a sunk feather to the interior of tltube, so that the spindle can slide in it vertically, but cannot turn round within it, D D, the two fixed brackets in which arc the bearings of tho guide-table 0 0, the plan of which i*shown separately by Fig. 3658. E, a set of driving coue-pulleya corresponding to the lower set of cone-pulleys !?. On these two sets the He 776 TORSION. of pulleys is placed the belt, which directly
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Keywords: ., bookcentury1800, booksubjectmechanicalengineering, bookyear1861
