Cincinnati, Heald 2EF‑73

2EF‑73 CINCINNATI HEALD MULTIPURPOSE INTERNAL GRINDER
Year: 1975

STANDARD CATALOG SPECIFICATIONS
Maximum workhead straight (spec. guard req'd)...... 23 1/2"
Maximum inside standard chuck guard................ 20"
Maximum workhead swiveled 90 degrees............... 13"
Table travel, total................................ 20"
Grinding traverse stroke........................... 3/16"‑16"
Workhead cross slide travel........................ 17 1/2"
Wheelhead cross slide travel....................... 1 1/2"
Wheelhead mounting, 3 positions, (total adj.)...... 7 1/2"

DRIVE
Wheelhead motor.......................... 5 HP, 3600 RPM
Workhead motor, DC....................... 1 1/2 HP, 3450 RPM
Hydraulic pump motor..................... 1 1/2 HP, 1200 RPM

SPEEDS & FEEDS
Table speed........................................ 0‑ 25 FPM
Workhead speed, reversible, infinite variable...... 0‑500 RPM
Table rapid traverse............................... 25 FPM
Wheelside feed, per turn of handwheel.............. .020" on dia.
Wheelside feed increments.......................... .00005" direct
Workslide feed, per turn of handwheel.............. .100"

EQUIPMENT & FEATURES
Heald red head grinding spindle
Automatic single point dresser
Cross sliding work head
Manual and power table
0 ‑ 90 degree sine bar
20" T‑slotted face plate
Coolant tank and pump
Facing and stop
460 V 3 Phase 60 cycle

QUALITY FEATURES AVAILABLE WITH THE 2EF‑73
All integrated circuit logic units are plug in type for easier maintenance.
Digital readout of feed slide position tells the operator "where he is" instantly.
Compact circuit board assembly including test panel for quick check of individual boards.
Responsive hydrostatic wheel slide, ball screw drive for precise positioning and repeatability.
Push button controls for feed, dress interrupt, cycle reset etc., cuts down on setup and machining time.