Our MICROTURN-GRIND is the first true combination of an ultraprecision hard turning machine and an internal and external grinding machine. With the MICROTURN-GRIND, you can not only fine-turn your workpieces with high precision in the hard condition (heat-treated), but also grind them using a 400 mm external grinding wheel and up to two high-performance internal grinding spindles. By using such a machine, you minimise stock oversizes required for grinding, reduce cycle times and optimise accuracies.
Hard machining of threads, recesses and contours is also possible thanks to the machine's full turning functionality with up to 10,000 rpm on the workpiece spindle or grinding of non-circular polygon shapes thanks to high-precision C-axis interpolation of the workpiece at creep speed.
The indexing turret mounted at the bottom of the work area allows high-precision soft and hard turning of internal and external contours on both spindle 1 and spindle 2. Milling operations with live tools and Y-axis are also possible, e.g. for soft and hard milling of surfaces, keyways and other contour elements - all during the same operation
Working area
- Swing diameter 608 mm
- Max. turning diameter ~ 150 mm
- Max. turning length 250 mm
- X / Z axis 600 / 350 mm
- Y1 /Y2axis +50/-50mm
Axes
- Rapide traverse X / Y / Z 24 / 1 5 / 24 m/min
Turning spindle
- Max. spindle speed 5,200 rpm 1)
- Spindle nose A6
- Spindle bore in the push tube 52 mm
- Chuck diameter 210 mm
- Performance 22 kW (S6 / 40%) 3)
- Torque 130 Nm (S6 / 40%) 3)
Milling spindle
- Max. spindle speed 12,000 rpm
- Tool holder HSK40
- Performance 15 kW (S6 / 40%) 4)
- Torque 17 Nm (S6 / 40%) 4)
Turret
- Number of tool stations 12
- Number of driven tool stations (option) all
- Tool holder BMT45
- Max. speed of driven tools 8,000 rpm
- Performance 4,3 kW (S3 25%) 5)
- Torque 13,6 Nm (S3 25%) 5)
Tool magazine
- Number of tool stations 33 / 72
- Max. tool diameter 88 mm
- In case of free adjacent tool stations 100 mm
- Max. tool length 105 mm
General indications
- Dimensions (L x W x H) 6)
- 201 0 / 3030 x 2840 x 2890 mm
- Weight 7)
- Starting from 7,1 00 kg
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