Duplex machine, with spindle speeds up to 1000 r.p.m. and table feeds up to 100 in. per min., produced by Kearney and Trecker Corp., Milwaukee; three speed ranges are available, namely, 15 to 150 r.p.m., 30 to 300 r.p.m., and 100 to 1000 r.p.m.; each range has 12 speed changes. (See also Engineer vol. 151, no. 3934, June 5, 1931 p. 623, 5 figs.)
Milling machine for tungsten carbide cutters
Automobile Engr
Automobile Engineer ; 21 , n 282
1931
3 Figs.
Article (Journal)
English
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