Horizontal machining center

Makino A99E - MMC2 - L2

Horizontal Machining Center Model A99ε
with Microcomputercontrol Professional 3 and
integrated CNC - Control FANUC System

FMS System MMC2 - L2 16 PALLETS

Cross movement (X- axis) of the column 1.250mm
Heigth movement (Y- axis) of the spindle unit 1.100mm
Distance table surface to spindle center 100 – 1.200mm
Longitudinal movement (Z- axis) of the table 1.250mm
Distance table center to the spindle nose 70 – 1.320mm
Max. tilting height above pallets 1.450mm
Admissable swing diameter in the cabin 1.450mm

Pallets – Index table with 360 x 1°- degrees.
position tolerance ± 3 arc sec.
2 rotation directions
Max. pallet load 2.000 kg (Option: 3.000 kg)

Pallet size 800 x 800 mm. Pallet surface with 5 T-slots,
22 mm H8, distance 160 mm,
2-edge locater for fixtures 400  0,01 mm.

Compact design as 1 transport unit with 3-point levelling,
without foundation.

T-bed and machine column in Meehanite-cast iron, inherently rigid bed,
bicolumn with symmetric guideways.
Guideways as preloaded patched linear ball-guideways.

Spindle unit 20 – 12.000 rpm, highly dynamic asynchronus three-phase
motor spindle.
Intensify torque in the lower speed range with winding switch and digital
control.
Direct input 5-characters for each speed between 20–12.000 rpm.
speed override from 50 - 120 % in steps of 10 % within the selected range
by M-Function eligible on and off.
power 30 kW (30min)
torque max. 420 Nm (25%ED)
acceleration 0–6.000 min-1 1,9 s
acceleration 0–12.000 min-1 7,1 s
deceleration 6.000–0 min-1 1,8 s
deceleration 12.000–0 min-1 4,6 s
bearing diameter in the main bearing  115/175 mm.

Spindle unit with Tool holder
for hollow shaft according DIN 69871 AD, ISO - 50 (similar).
tool clamping power 19,6 kN

Temperatur control of the main motor by controlled circulating oel cooling
with electrical throughput control.
cooling and lubrication of the spindle bearings with an air-oel-mixture.
electronic spindle alignment and positioning.
direct tapping with synchronisation of the feed drive in Z-axis via
pulscoder in the spindle motor.
Max. speed n = 3000 rpm.

Feed drive with AC-Servomotors Fabr. FANUC model alpha for X-, Y- and
Z-axes, with digital control, in connecting with pre-loaded hollow shaft ball
screws for the X-axes and each two ball screws for Y- and Z-axes.
Rapid traverses :
X-, Y-, Z-axis 50.000 mm min-1
feed rating :
X-, Y-, Z-axis 1..50.000mm min-1
Standard measuring system: Tp  0,015mm (VDI DGQ 3441).

Tool magazine with 244 storageplaces
design chainmagazine,
T-order 4-characters, free selectable.
Security cover with security switch.
average positioning time 9 s
tool changing 1,7 s
chip to chip 5 s
max. tool diameter 125 mm
max. tool length 600 mm
max. tool weight 20 kg
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max. unbalance tool weight into the gripper 20 Nm
with empty pockets right and left
max. tool diameter 300 mm
Tool holder for deep taper shafts according DIN 69871 AD, ISO-50