257
No. 2 Large
Carriage Cutting-Off Saw.
With. Elevating Arbor and Sliding Carriage.
This is a useful machine for cutting up material that requires to he cutsquare and to accurate dimensions in sash, door, cabinet, piano, and other fac-tories. It has a substantial iron frame carrying a stationary table to the leftof the saw, and a traversing carriage on the right, the latter fitted with thenecessary fence and stops for cutting to lengths either square or angular.
The stationary table is 44 // x21", made of glued-up strips of maple andblack walnut, designed for supporting the material while being cut off. Thecarriage is moved past the saw on planed ways, and is provided with stopsand gauges for cutting off to a given length.
The saw-arbor is of steel, large diameter, lead-ground, and runs in con-nected self-oiling boxes on an independent frame below the fixed table, and israised and lowered by a hand-wheel and screw. The arbor is 1 T y' diameterwhere the saw is applied, and will receive saws up to 18 " diameter. It is fittedwith an expanding device, which enables the operator to use saws with dif-ferent-size holes without the necessity of bushing.
The arbor is locked by a safety device, to prevent accident while putting■on or taking off the saw, by simply turning a pin lever. The machine can befitted with grooving heads for cutting gains in window-frames, doors, etc.
The No. 1 expansion groover-head is 7 " diameter, and will cut from %" to2" wide; a No. 2 expansion groover-head is 8 " diameter, and will cut from %"to 2" wide.
The countershaft is attached on the back side of the frame, a sufficientdistance to Insure good length of belt to the arbor, an idler pulley retainingthe proper tension of the belt with the arbor at any elevation.
The tight and loose pulleys are 10" x 5", and should make 600 revolutions.