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S21 |
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S21 - The Greatest for small workpieces The Studer S21
CNC is
a versatile universal cylindrical grinding machine
designed for the grinding of small workpieces in individual as
well as
small and large-batch production.
It can be automated and is especially
suitable for grinding high precision workpieces, as required by
the aerospace, precision mechanics and hydraulic / pneumatic
sectors.
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Main Dimensions |
Metric |
Imperial |
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Distance between centres: |
400 mm |
15.7" |
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Centre height: |
125 mm |
4.9" |
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Max. workpiece weight: |
30 kg |
66 lbs |
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Cross Slide (X) |
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Max. travel: |
254 mm |
10" |
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Speed: |
0.001 - 5000 mm/min |
0.000,04" - 197 ipm |
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Resolution: |
0.0001 mm |
0.000,004" |
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Longitudinal Slide (Z) |
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Max. travel: |
483 mm |
19" |
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Speed: |
0.001 - 10,000 mm/min |
0.000,04 - 394 ipm |
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Resolution: |
0.0001 mm |
0.000,004" |
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Wheelhead |
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Swivel range: |
-15 - |
+195 deg |
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Swivel axis: |
2.5 / 1 |
deg Hirth |
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Fine adjustment: |
0.0001 |
deg † |
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Driving power: |
5.5 kW |
7.5 hp |
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Grinding wheel left: |
400 x 40 (50F5) x 127 mm |
16" x 1.5" (2" F5) x 5" |
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Grinding wheel right: |
400 x 40 (50F5) x 127 mm |
16" x 1.5" (2" F5) x 5" |
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Internal grinding: |
HF |
spindle |
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Workhead |
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Speed range: |
1 - 1500 |
rpm |
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Fitting taper: |
MT 4 / Ø70 mm |
2.75" |
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Driving power: |
3.0 kW |
4 hp |
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Load during live grinding: |
70 Nm / 100 Nm |
52 / 74 ft lbs |
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Concentricity precision: |
0.0004 / 0.0002 mm |
0.000016" / 0.000008" |
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C axis for form grinding: |
0.0001 |
deg † |
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Tailstock |
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Fitting taper: |
MT |
3 |
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Travel of barrel: |
35 mm |
1.37" |
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Barrel diameter: |
50 mm |
1.97" |
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Fine adjustment: |
± 40 µm |
0.0016" |
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Swivelling machine table: |
n/a |
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Control: |
Fanuc 21i-TB |
(Fanuc 16i-TB †) |
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Straightness of surface line: |
0.002 mm / 400 mm |
0.000,08" / 15.7" |
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Total power input: |
20 |
kVA |
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† = option |
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Characteristics:
- Turret wheelhead which can be swivelled
manually or automatically
- Option: High resolution B axis
- Frequency controlled motor grinding spindle for
external and internal grinding.
- C axis for the workhead for form and
thread grinding
†
- Workhead for universal use in live grinding
operations and for grinding between centres
(Option: workhead specially designed for use with chucks)
- Full enclosure with sliding door
- Machine base of 'Granitan'.
- Standardised interface for loader and
peripheral devices
- Extensive range of accessories
- Compatible with the
STUDER easyLoad
The universal, low cost loading solution for a wide range of workpieces.
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Click Here
to view or download the full S21 brochure
(in PDF format) |
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If you would like more information on the Studer machine
range then please
contact us or use our online
information request form.
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