CNC torna ve freze merkezi

Okuma Macturn 550 W

The machine has been serviced annually under a maintenance contract with Okuma.

Okuma Mac Turn 550 W / 9-axis turning-milling center
Year of manufacture: 2005
Control: OSP-E 100 L / Upgrade kit: “M” Kit One Touch IGF
Milling spindle carriage X/Y/Z/B,
Sub-spindle W axis,
Main spindle with C axis,
Sub-spindle with C axis,
Lower turret carriage X/Z axis,
Max. turning diameter: 720 mm,
Turning length: 2,000 mm,
Distance between tailstock center and spindle nose: 2,505 mm,
Y-axis: 250 mm / +/- 125 mm,
Main spindle speed up to 3,500 rpm,
Spindle power: 30 kW
Lower turret: 12 positions, without driven tool stations (Nco Dmnbyeyt Nvtoujt)
Lower turret with steady rest, thus only 9 stations instead of 12
Self-centering steady rest: 35 - 240 mm
Milling spindle: infinitely variable B axis 0.001°
Tool magazine: 80 positions
HSK 100 interface
New Forkhart three-jaw chuck Ø 400 mm, value €12,000
Sub-spindle without chuck, currently with mandrel / delivery without mandrel
Enlarged main spindle bore: 110 mm Ø 150/110 mm
Lhsdpfxey Uhfks Adloh
Spindle nose Gr 11
2-stage clamping pressure
Sub-spindle as hollow-shaft motor, speed up to 3,800 rpm
Ethernet LAN interface
Renishaw in-process measurement
Additional measuring system Y axis
Tool length 450 mm instead of 350 mm
Automatic doors (both sides)
Chip conveyor
Gravity band filter with clean tank, 900 liters
Supply pump: frequency-controlled, up to 20 bar

The machine has been serviced annually under maintenance contract with Okuma.

In 2023, the drag chain of the W axis, including all hoses, was replaced.
In October 2024, linear guides X/Y/Z were renewed.
Work performed by Okuma:
- Machine cleaned
- Covers and panels dismantled
- 8th axis removed
- Column dismounted and removed from the machine. ATC removed and extracted from the machine
- All linear guides dismantled
- Mounting surfaces of the ZA axis cleaned
- New ZA linear guide including slides installed and tightened to specified torque
- New ZA ball screw including bearing assembled and fitted
- Column base plate installed and tightened to specified torque, or screwed to the slides. Lubrication lines connected
- ATC including attachments installed and connected
- New YA and XA linear guides installed and tightened to specified torques. New YA ball screw with bearing installed
- Column installed and lubrication lines connected. XA base plate installed and aligned
- 8th axis installed and aligned
- H1 turret fitted
- 8th axis drive motor installed
- 8th axis and new H1 assembled and geometry set
- Function test of 8th axis and H1
- Break-in program for B axis approx. 12 h, then old oil from 8th axis to be drained
- Break-in program for H1 and defect report for OEG to be created
- Left door installed, various panels adjusted
- Chuck installed
- Reference points adjusted
- Tool change tested

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