Machining center

CINCINNATI CN-4AX-2SP

CINCINNATI CN-4AX-2SP vertical two-spindle four-axis gantry milling machine. The machine equipped with a NUM CNC control.

Working Area
Length = 6000 mm
Width = 3000 mm
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Work surface shall include three precision sockets spaced 30" apart. Remaining sockets shall be of lesser precision (± .005" spacing) and shall be spaced as shown in drawing A.C. - 74M-449.761

Offsets (Manual and CNC Controlled Movement)

Longitudinal (X) = 6000 mm
Transverse (Y) = 3000 mm
Vertical (Z) = 700 mm
Alpha ±22 degrees
Work surface rotation 0-3 degrees
Z-axis clearance = 900 mm


Feeds (Manual and CNC)
X,Y Axes 0-150 ipm (0-3810 mm/min)
Z Axis 0-100 ipm (0-2540 mm/min)

Spindle
Number of spindles 2
Centre spacing 60" (± 0.001") = 1524 mm
Spindle power max 30 (3600 rpm)
Spindle speed range 18÷3600 (rpm)
(See power and speed tables)
Number of spindle speed steps 23
Spindle setting 1/2 (manual)
Spindle taper and flange No. 50 NS
Torque 1/4 hp spindle rotary per rpm

Machine description
The basic design is based on a gantry moving along longitudinal guides.
Longitudinal movement (X-axis) is performed by the gantry using a rack and pinion system and two guides, one located on each side of the bed.
The gantry consist of a guide bar of constant height and connecting the support for the two spindles.