Cincinnati Heald #273A, universal ID grinder, 16" stroke, 18 FPM

STANDARD CATALOG SPECIFICATIONS
Maximum swing over table......................21
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.................. 17 1/2
Maximum table travel.......................... 20
Grinding stroke maximum....................... 16”
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

SPEEDS FEEDS
Table speed for grinding...................... 0-18 FPM
Work head speeds- Variable
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
*One turn of table hand wheel.................33/4

DRIVE
Pump motor, 60 Cyclesa-c.....................1 1/2 HP, 1800RPM
Work head motor, 60 Cyclesa-c................1 1/2 HP, 1200RPM
Wheel head motor, 60 Cyclesa-c...............5 HP, 3600RPM