Heald Cincinnati 273A, I.D. Grinder (1983), out of large company tool room, very low hours

New 1983

Very low hours, this machine came out a large company tool room,
Original and only operator says it has less than 100 hours total use.



(1) USED CINCINNATI HEALD 273A TOOLROOM UNIVERSAL INTERNAL GRINDER


STANDARD CATALOG SPECIFICATIONS

Maximum swing over table..................... 24"
Swing work head swiveled..................... 90 degrees - 12"
Swing inside standard chuck guard............ 20" 
Angular adjustment of work head.............. 90 degrees
Work head cross slide travel................. 11 1/2" Rear
                                              6" Front
Maximum table travel......................... 20"
Wheel head cross slide travel................ 1 1/2"
Center of work head spindle to floor......... 43 1/2"
Diameter of work head spindle flange......... 9 5/8"
Grinding stroke maximum...................... 16"

SPEEDS & FEEDS
Table speed for grinding..................... 0-18 FPM
Work head speeds-variable between............ 0-500 infinite vari
Rapid traverse of table...................... 18 FPM
One turn of cross feed hand wheel............ 050 on dia.
Cross feed in increments: (adj.)
At 1 or both ends of table stroke............ 0001"-.0005" on dia.
Minimum stroke............................... 125"
One turn of work slide hand wheel............ 100"

DRIVE
Pump motor a-c............. . . . . . . . 1 1/2 HP, 1800 RPM
Work head motor a-c.................. . . 1 1/2 HP, 13450 RPM
Wheel head motor a-c.............. . . .. 5 HP, 3600 RPM

GENERAL
Capacity of oil tank.......................... 11 gallons
Length & width of base on floor............... 73 3/4" x 37 7/8"
Net weight (approximately).................... 6,200 lbs.

EQUIPMENT & FEATURES
Variable speed work head.
Plunge feed 
12  4-jaw chuck manual operated.
Coolant tank & pump.
Cross sliding work head.
Pick feed.
Single point manual dresser.