Used 1970 HEALD 273A | GRINDERS, INTERNAL

273A HEALD EXTENDED BASE UNIVERSAL INTERNAL GRINDER
S/N 44431    Year: 1970

STANDARD CATALOG SPECIFICATIONS
Maximum swing Over table...................... 29"
Swing workhead swiveled....................... 90 degrees 12"
Swing inside standard chuck guard............. 12"
Angular adjustment of workhead................ 90 degrees
Workhead cross slide travel................... 11 1/2" Rear
                                               4" Front
Maximum table travel.......................... 20"
Wheelhead cross slide travel.................. 1 1/2"
Center of workhead spindle to floor........... 43 1/2"
Diameter of workhead spindle flange........... 9 5/8"
SPEEDS & FEEDS
Table speed for grinding...................... 0?18 FPM
Workhead 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 workslide handwheel............... .100"
*One turn of table handwheel.................. 3 3/4"
DRIVE
Pump motor, 60 Cycles a?c..................... 1 1/2 HP, 1800 RPM
Workhead motor, 60 Cycles a?c. 1 1/2 HP, 1200 RPM variable 0 - 500
Wheelhead 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).................... 6,200 lbs.
EQUIPMENT & FEATURES
Cross sliding work head
Auto motor feed
Single point dresser
Variable speed work head
Coolant pump & tank
12" Extended base
Motor and controls data:  440 volt, 3 phase, 60 cycle
Cam lock work head

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