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#12M FELLOWS INVOLUTE GEAR TESTER Serial No. 33823, New 1967, Model 12M Suitable for the checking/recording of the deviation in gear tooth involute profile on spur & helical gears, both internal and external up to 12" (304.8mm) pitch diameter. Support column w/adjustable tailstock Stylus slide w/electronic dial indicator for slide adjustment graduated for Dual ratio paper drive to record 3-degrees or 1/2 degrees of involute Full electrics for 60Hz, 115 volt a-c circuit Operator's manual, wiring diagrams Maximum pitch diameter................. 12" (305mm) Maximum travel pointer holder.......... 9.75" (248mm) Max travel work spindle (elevation).... 4"(102mm) Maximum tailstock adjustment........... 26.5" (762mm) Maximum workpiece weight, lbs./kgs..... 350 (159 kgs) Machine overall length................. 38" (965mm) Machine overall width.................. 36" (914mm) Machine overall height................. 82" (2083mm) Machine net weight, lbs./kgs........... 2,220 (1007kg) All machines/equipment subject to prior sale. |