SOME FURTHER FEATURES
The leadscrew is cut on a special machine fitted with pitch correcting gear; its rear end bearing is bronze bushed, and at its headstock end a clutch is fitted for both hand and automatic throw-out, which can be set to operate at any position of the saddle along the bed to prevent overrunning.
The Saddle is provided with rack and pinion traverse morion operated by handwheel, and a split-nut device for disengaging the leadscrew is operated by means of the knob on the left of the apron. The sliderest is fully compound, and the cross-slide is formed as a large "T" slotted boring table. The cross-slide screw is fitted with micrometer index. The topslide is fitted with a graduated base, its leadscrew is brought to the side of the vees, thusenabling the use of a much longer nut than formerly, and giving longer life and protection from chips, etc. Both slides have unusually long bearings, giving great accuracy and firmness in operation.
The set of Change Wheels supplied as standard is as follows:- two 20, two 30, one each 35,38,40,45,46,50,55,60,65,73. All gears are machine cut from solid blanks, and the set covers Whitworth threads from 40 to 8 threads per inch, metric from 0.5mm to 5mm pitch, and a wide range of other threads and feeds. The crewcutting change gear studs are fitted with a patented spring plug retainer; to remove change wheels the plug is merely pulled out by its head, when the wheels can be instantly changed without bother with nuts. The change gear quadrant is provided with a second quadrant to the rear for the clamping nut.
The treadle lathe flywheel and the head of the pitman link run on large ball bearings; the flywheel is balanced and of great weight for the size of the lathe. All slides are hand scraped to surface plate.
The Standard Accessories supplied with each lathe are:- large faceplate, driveplate, handrest, hardened steel centres, spanners. Belt supplied with the treadle lathe.
