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Used

USED 1969 HEALD 273A

Michigan, United States
1,020Listings|45Followers
Overview
Internal Grinders

1969 HEALD 273 A Universal Internal Grinder. 12" capacity, 16" max grinding stroke, with variable work head speeds, and a cross sliding work head. Ideal for precision tasks.

Specs
Swing
24.5"
622.3 mm
Size Capacity
12"
12"
Max Grinding Bore
21"
533.4 mm
Stroke
16"
406.4 mm
Travel-Long
20"
508 mm
Workhead Swivel
90
90
Workhead Power
1.5 hp
1.1 kW
Wheel Power
5 hp
3.7 kW
Workhead Speed
1,200 RPM
1,200 RPM
Dresser
Yes
Yes
Dimensions
73.75 x 37.875
73.75 x 37.875
Weight
10000
10000

273A HEALD UNIVERSAL INTERNAL GRINDER

S/N G-2675 Year: 1969

STANDARD CATALOG SPECIFICATIONS
Maximum swing over table...................... 24 1/2"
Swing work head swiveled...................... 90 degrees 12"
Swing inside standard chuck guard............. 21"
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.
Single point manual dresser.
Face stop.
12" Extended bed.

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

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