Cincinnati, Heald 3EF-700

3EF-700 CINCINNATI/HEALD CINTERNAL 2 SPINDLE
MULTI-SURFACE INTERNAL GRINDER
Year: 1984


Capacities
Maximum swing in guard……………………………………....… 8"
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
Cincinnati 700 Series control.
P Axis
V Axis
Diaphragm chuck.
Rotary diamond dresser.
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.