273 A HEALD UNIVERSAL INTERNAL GRINDER

273 A HEALD UNIVERSAL INTERNAL GRINDER

S/N 41948 Year:1967

STANDARD CATALOG SPECIFICATIONS
Maximum swing over table...................... 90 degrees - 12
Swing inside standard chuck guard............. 17.5
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.................3 3/4

DRIVE
Pump motor, 60 Cycles a-c.....................11/2 HP, 1800RPM
Work head motor, 60 Cyclesa-c................1 1/2 HP, 1200RPM
Wheel head motor, 60 Cyclesa-c...............5 HP, 3600RPM

GENERAL
Capacity of oil tank.......................... 11 gallons
Length width of base on floor...............73 3/4 x 37 7/8
Net weight(approximately)....................10,000 lbs.

EQUIPMENT FEATURES
Cross sliding work head.
Vari-speed work head.
Extended base.
Standard flange type work head.
Forward reverse work head.
Attached electrical.
Plunge feed with table lock down.

Specifications are deemed accurate, however, subject to verification or prior sale.