Illustrated description of Alfred Herbert No. 2 hexagon turret lathe; roller-bearing headstock in combination with 2-speed motor drive, provides range of speed for all operations from highspeed turning with carbide tools to screwing high tensile steels; headstock is of dial change type, driven by 2-speed motor providing 7 1/2 hp for 8 turning speeds from 80 to 1520 rpm, and 2 hp for 4 screwing speeds, from 20 to 71 rpm; switch lever on headstock is used to effect change from turning speeds to screwing speeds; all speeds are reversible. (See also Aircraft Production v 8 n 88 Feb 1946 p 98-9; Engineering v 161 n 4184 Mar 22 1946 p 272-4; Ry Gaz v 85 n 1 July 5 1946 p 20-1)
Hexagon turret lathe
Automobile Engr
Automobile Engineer ; 36 , n 473
1946
2 pages
Article (Journal)
English
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