273A HEALD UNIVERSAL INTERNAL GRINDER

273A HEALD UNIVERSAL INTERNAL GRINDER
S/N 49871

STANDARD CATALOG SPECIFICATIONS
Maximum swing over table........................................ 24
Swing work head swiveled...................... 90 degrees ‑ 12
Swing inside standard chuck guard............................ 22
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..................... 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.
Standard flange type work head.
Forward reverse work head.
Attached electrical.
Plunge feed with table lock down.
Facing stop.
Sinebar 0-90 degrees.
Coolant tank pump.
12”mag chuck.
12”T-slotted face plate.
8200 RPM spindle.
Manual single point dresser with fine adjustment.

Specifications are deemed accurate, however, subject to verification or prior sale.
All exchange units/returns must be shipped within 30 days. All exchange units/returns must be shipped using DDP terms - Grinders Clearing House, Inc. dba GCH Machinery, is not responsible for any customs formalities or shipping costs.

If Grinders Clearing House, Inc. dba GCH Machinery does not receive exchange/core unit back within 30 days, GCH will invoice FULL replacement cost (OUTRIGHT Cost) to customer.