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Title: |
1891 Article-James Spencer & Co., Tyre Boring Lathe |
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Source: |
Engineering Magazine, V 52, 28 Aug 1891 pg. 240 |
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Insert Date: |
6/22/2013 4:31:37 PM |
On the present page we illustrate a single tyre boring lathe, constructed by Messrs. James Spencer and Co., Chamber Iron Works, Hollinwood, near Manchester, arranged to take in tyres up to 3 ft. 9 in. in diameter; it is of massive design, and specially adapted for boring the tyres of carriage wheels, &c. The foundation plate or base-plate is a strong box casting, to let in flush with the floor, and planed on the top surface to carry the headstocks and compound slide rests.
The headstock is bolted to the base-plate and fitted with a spindle of large diameter running in parallel gunmetal bearings, with loose caps to take up wear. On the end of the spindle is a faceplate 4 ft. 3 in. in diameter, with a worm driving wheel on the back. The faceplate is driven by a three-speed cone on the
worm shaft, with a hardened steel worm arranged to run in an oil well so as to keep it constantly lubricated. Hardened steel thrust washers are arranged to take the end thrust of the worm shaft. The face-plate is fitted with four case-hardened wrought-iron jaws, each adjustable by a steel chased screw to hold the tyres in position whilst being bored.
A strong slide, carrying two compound slide rests, is arranged so that the tyres can be operated upon by two tools at the same time, one at the back and one at the front of the head, and each slide is provided with self-acting motion, worked from any position across the face of the plate. |
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1891 James Spencer & Co., Tyre Boring Lathe
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