HEALD 3EF-750 CINTERNAL GRINDER
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1986 HEALD 3EF-750 internal grinder with dual spindles. Max swing: 30 in, swivel: 13 in. Allen Bradley 9 Series controls. Motors: Work head 4.5 HP, Wheel head 10 HP. Includes air mist spindles, rotary dresser.
3EF-750 CINCINNATI/HEALD CINTERNAL 2 SPINDLE
MULTI-SURFACE INTERNAL GRINDER
S/N 913527P86-0103 Year: 1986
STANDARD SPECIFICATIONS
Capacities
Maximum swing in guard……………………………………… 30"
Maximum swing 45 deg. swivel………………………………. 13"
Work head angular adjustment………………………………… 0-60
Work slide travel (X-direction)……………………………….. 11"
Longitudinal bridge adjustment (Z-direction)…………………. 8"
Maximum table travel………………………………………….. 26"
Grinding stroke – maximum…………………………………… 22"
- minimum……….…………………………… 0
Wheel slide travel……………………………………………… 14"
Wheel head mounting position span…………………………… 10-5/8" – 14-5/8"
Front wheel head adjustment (longitudinal)…………………… 4"
Front wheel head swivel………………………………………. +5, -15
Rear wheel head swivel……………………………………….. +5, -10
Wheel head spindle flange to wheel slide – maximum……….. 39"
- minimum…………. 0
Work head load capacity……………………………………….. 1000 lbs.
……………………………………….. CG 6" from flange
Accuracies
Axes resolution…………..………………………………… .000025"
Work head rotation…………………………………………. .000030"
Speeds & Feeds
Axes speeds – grinding - maximum……………………..… 99.9 IPM
- minimum…………………..……. 0
Rapid axes speed…………………………………………… 400 IPM
Feed rates…………………………………………………… 0 to .999 IPM
…............................................................................ maximum incr. -1001 IPM
Axes feed resolution………………………………………… .000025"
Work head speeds (reversible & variable)…………………. 30 – 999 (1 IPM incr.)
Drives
Axis drive motors (PWM)…………………………………. 6 ft/lb. (8.13Nm)
…………………………………. Torque .4 HP (3kw) @ 2000 RPM
Work head motor…………………………………….. 4 1/2 HP (3.4 kw) @ 4500 RPM
Wheel head motor…………………………………… 10 HP (7.5 kw) @ 3000 RPM
Hydraulic pump motor………………………………. 2 HP (1.5kw) @1800 RPM
General
Allen Bradley 9 Series controls.
(2) Air Mist internal spindles.
3 Jaw air chuck with adjustable jaws.
Rotary and single point dresser with hydraulic lift.
Oil tank capacity…………………………………………… 10 gal.
Base, length & width………………………………………. 99" x 52"
Required floor space, width & depth……………………… 121" x 193"
Overall machine height from floor………………………… 60"
Overall electric cab. height from floor…………………….. 72"
Machine weight……………………………………………. 16,950 lbs.
Specifications are deemed accurate, however, subject to verification or prior sale.
1986 HEALD 3EF-750 internal grinder with dual spindles. Max swing: 30 in, swivel: 13 in. Allen Bradley 9 Series controls. Motors: Work head 4.5 HP, Wheel head 10 HP. Includes air mist spindles, rotary dresser.
Imperial
| Swing | 30" |
| Size Capacity | 30 x 13 |
| Stroke | 22" |
| Travel-Long | 26" |
| Workhead Swivel | 0-60 |
| Workhead Power | 4.5 hp |
| Wheel Power | 10 hp |
| Workhead Speed | 999 RPM |
| Dresser | Yes |
| Dimensions | 121 x 193 |
| Weight | 16950 lbs. |
3EF-750 CINCINNATI/HEALD CINTERNAL 2 SPINDLE
MULTI-SURFACE INTERNAL GRINDER
S/N 913527P86-0103 Year: 1986
STANDARD SPECIFICATIONS
Capacities
Maximum swing in guard……………………………………… 30"
Maximum swing 45 deg. swivel………………………………. 13"
Work head angular adjustment………………………………… 0-60
Work slide travel (X-direction)……………………………….. 11"
Longitudinal bridge adjustment (Z-direction)…………………. 8"
Maximum table travel………………………………………….. 26"
Grinding stroke – maximum…………………………………… 22"
- minimum……….…………………………… 0
Wheel slide travel……………………………………………… 14"
Wheel head mounting position span…………………………… 10-5/8" – 14-5/8"
Front wheel head adjustment (longitudinal)…………………… 4"
Front wheel head swivel………………………………………. +5, -15
Rear wheel head swivel……………………………………….. +5, -10
Wheel head spindle flange to wheel slide – maximum……….. 39"
- minimum…………. 0
Work head load capacity……………………………………….. 1000 lbs.
……………………………………….. CG 6" from flange
Accuracies
Axes resolution…………..………………………………… .000025"
Work head rotation…………………………………………. .000030"
Speeds & Feeds
Axes speeds – grinding - maximum……………………..… 99.9 IPM
- minimum…………………..……. 0
Rapid axes speed…………………………………………… 400 IPM
Feed rates…………………………………………………… 0 to .999 IPM
…............................................................................ maximum incr. -1001 IPM
Axes feed resolution………………………………………… .000025"
Work head speeds (reversible & variable)…………………. 30 – 999 (1 IPM incr.)
Drives
Axis drive motors (PWM)…………………………………. 6 ft/lb. (8.13Nm)
…………………………………. Torque .4 HP (3kw) @ 2000 RPM
Work head motor…………………………………….. 4 1/2 HP (3.4 kw) @ 4500 RPM
Wheel head motor…………………………………… 10 HP (7.5 kw) @ 3000 RPM
Hydraulic pump motor………………………………. 2 HP (1.5kw) @1800 RPM
General
Allen Bradley 9 Series controls.
(2) Air Mist internal spindles.
3 Jaw air chuck with adjustable jaws.
Rotary and single point dresser with hydraulic lift.
Oil tank capacity…………………………………………… 10 gal.
Base, length & width………………………………………. 99" x 52"
Required floor space, width & depth……………………… 121" x 193"
Overall machine height from floor………………………… 60"
Overall electric cab. height from floor…………………….. 72"
Machine weight……………………………………………. 16,950 lbs.
Specifications are deemed accurate, however, subject to verification or prior sale.
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