HEALD #273 A 47797

273A HEALD UNIVERSAL INTERNAL GRINDER

S/N 47797 Year:1977

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.................. 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 handwheel............. .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 handwheel............. .100
*One turn of table hand wheel.................3 3/4

DRIVE
Pump motor, 60 Cycles a‑c.....................1 1/2 HP, 1800 RPM
Work head motor, 60 Cycles a‑c................1 1/2 HP, 1200 RPM
Wheel head motor, 60 Cycles 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)....................10,000 lbs.

EQUIPMENT FEATURES
Cross sliding work head.
Vari‑speed work head.
Extended base.
Cam lock type work head.
Forward reverse work head.
Attached electrical.

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