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).
Bwodpfxe Ah Ecxo Ac Ujw
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
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