Sold

HEALD MODEL 273A UNIVERSAL INTERNAL GRINDER WITH 12"

GRINDER INTERNAL
Manufacturer:
HEALD
Model:
273-A
Year:
1971
Stock #:
7077
HEALD MODEL 273A UNIVERSAL INTERNAL GRINDER WITH 12"

Maximum swing 24.5"
Maximum workpiece diameter
w/o guard 19.5"
with guard 12"
Spindle speeds - infinitely variable to 500 RPM
Cross slide travel of workhead 17.5"
Cross slide travel of wheelhead 1-7/8"
Grinding stroke 17.5"
Wheelhead slide stroke 20"
Wheelhead feeds 0 to .0006 per
full traverse
Fine feeds up to .0005 by hand
Angular setting 0- 90 Degrees
Maximum distance from chuck to grinding head 42"
Approximate weight 6,200 Lbs.

MOTOR SPECIFICATIONS

5 HP 3/60/460 Wheelhead motor
5 HP 3/60/460 Hydraulic motor
1 1/2 HP DC Workhead motor

Twelve (12") extended base
Sine bar swivel attachment with indicator
Three (3) axis Sony DRO
Cincinnati-Heald Red Head spindle - 25,000 RPM
Manually operated dresser
Hinged type steadyrest with bridge & leg - 3/4" - 6" O.D. capacity
12" 3-Jaw chuck
Inside micrometer for angular setting - 0-45 degrees
Four longitudinal facing stops

Loading...