Lathe designed by John Holroyd and Co. to take full advantage of most modern cutting-tool materials, such as tungsten-carbide, etc., is electrically driven and controlled on Ward Lennard system, main 45-hp. variable-speed motor being directly coupled to spindle through one pair of double helical oil-sprayed gear wheels in headstock. (See also Engineer vol. 150, no. 3910, Dec. 19, 1930 pp. 684-685, 6 figs)
Super high-speed lathe
Ry. Gaz
Railway Gazette and Railway News ; 53 , n 11
1930
2 pages
2 Figs.
Aufsatz (Zeitschrift)
Englisch
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