. Automotive industries . there pierced seamless tubes are automatically finished. (8) Straightening machine where finished traii/lttened. (9) Bulldozer for fabrication of formed seamless tubes. (10) Part of the screw machine nibesare fabricated on automatic screw machines into green cups and cones. (11) Four spindle roller fuhrictihit,/ much nies where rods tire fabricated al high speed into <• rarictij a) si cs o) rolls held to much tiling tolerances not in excess of .003 of an inch. (12) Another view of the screw machine department where large cups and cones made from forgings are machin
. Automotive industries . there pierced seamless tubes are automatically finished. (8) Straightening machine where finished traii/lttened. (9) Bulldozer for fabrication of formed seamless tubes. (10) Part of the screw machine nibesare fabricated on automatic screw machines into green cups and cones. (11) Four spindle roller fuhrictihit,/ much nies where rods tire fabricated al high speed into <• rarictij a) si cs o) rolls held to much tiling tolerances not in excess of .003 of an inch. (12) Another view of the screw machine department where large cups and cones made from forgings are machined on automatic screw machines. (7) Reducing millseamless tubes aredepartment win re tul April 28, 1921 AUTOMOTIVE INDUSTRIES THE AUTOMOBILE 915. (181 Gaging m the green. Size gaging machine where cups and cones in the green are held to tolerances not to an inch. (14) Battery of carburizing furnaces. (15) Rotary retort hardening furnace where small pieces an hard-ened after carburization. (161 Automatically fed roll grinders where rolls arc groundto tolerances of .0005 of an inch.(17) Internal cup grinder here cups are ground to tolerances not exceeding .001 of an inch. (18) Taper gaging ma-chines where rolls are gaged electrically. All rolls not of exact taper are automatically rejected. 916 AUTOMOTIVE INDUSTRIES THE AUTOMOBILE April 28, 1921
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectaeronautics, bookyear
