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3EF-750 CINCINNATI "CINTERNAL" CNC UNIVERSAL

GRINDER INTERNAL
Manufacturer:
CINCINNATI
Model:
3EF-750
Year:
1989
Stock #:
4478
3EF-750 CINCINNATI "CINTERNAL" CNC UNIVERSAL

Capacities
Swing (maximum) 38"
Swing inside standard chuck guard 24"
Swing, workhead swiveled 13"
Angular adjustment of front wheelhead +5 deg. to -15 d
eg.
Angular adjustment of rear wheelhead +5 deg. to -10 d
eg.
Z-axis (table) travel maximum 50"
X-axis (wheel slide) travel maximum 14"
Speeds and Feeds
Feed rate range, infinitely variable .001 to .999 IPM
Min. linear feed increment .000025"
X,Z-axis rapid traverse speed 400 IPM
X,Z-axis grinding speed 0 to 200 IPM
Approximate floor space 204" x 193"
Approximate weight 18,000 lbs.
COMPUTER SPECIFICATIONS
Computer Control Cincinnati Milacron Acramatic 750G Series Controls
includes the
following features
9" CRT display
Multi-microprocessor computer design
Simple menu-format program
Operator prompting
Resident diagnostics for machine, control hardware and progra
mming
Data entry key lockout
Resident multiple sequence part program storage for up to 15
grind sequences
Software capability for contour dressing and grinding - R04V0
5F4 15 sequence
capability

MOTOR SPECIFICATIONS

4.5 HP 3/60/460 volt Workhead motor
10 HP 3/60/460 volt Wheelhead motor
2 HP 3/60/460 volt Hydraulic pump motor

Cincinnati Milacron Acramatic 750G computer numerical control with ST
R-650 magnetic
tape/load storage unit
Four position programmable grinding wheel turret, two positions capab
le of independent
swivel
Volkman variable hi-frequency "AC" spindle drive with six (6) Heald s
pindles (Gamfior)
(2) 12,000 RPM
(2) 17,000 RPM
(1) 24,000 RPM
(1) 33,000 RPM
6" Diamond roll dressers with bi-directional capability
Automatic taper adjustment. This allows quick precise adjustments to
grind straight bores
through a hand held pendant
5.500 Hollow spindle workhead
Dressing cycle, plunge form dress and single point dress
Heavy duty workhead with variable speed drive
Workhead "Jog" button used in setup cycle
Size-matic grind capability
Dressing cycle, dress at runout, interrupt for dress and multi dress

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