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>> Studer >S21 |
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The S21 is designed for the grinding of workpieces in individual as well
as small and large series production operations. 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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S21 - The Greatest |
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For small
workpieces |
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Main Dimensions |
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Metric |
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Imperial |
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Distance between Centres |
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400 mm |
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15.7" |
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Centre Height |
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125 mm |
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4.9" |
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Max. workpiece weight |
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30 kg |
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66 lbs |
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Cross-slide (X) |
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Max. travel |
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254 mm |
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10" |
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Speed |
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0.001 - 5000 mm/min |
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0.000,04 - 197 ipm |
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Resolution |
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0.0001 mm |
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0.000,004" |
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Longitudinal slide (Z) |
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Max. travel |
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483 mm |
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19" |
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Speed |
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0.001 - 10,000 mm/min |
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0.000,04 - 394 ipm |
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Resolution |
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0.0001 mm |
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0.000,004" |
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Wheelhead |
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Swivel range |
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-15 - +195
deg |
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Swivel axis |
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2.5 / 1 deg
Hirth |
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Fine adjustment |
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0.0001 deg |
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Driving power |
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5.5 kW |
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7.5 hp |
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Grinding wheel left |
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400 x 40 (50F5) x 127 mm |
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16" x 1.5" (2" F5) x 5" |
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Grinding wheel right |
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400 x 40 (50F5) x 127 mm |
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16" x 1.5" (2" F5) x 5" |
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Internal grinding |
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HF spindle |
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Workhead |
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Speed range |
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1 - 1500 rpm |
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Fitting taper |
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Morse 4 / ų 70 mm |
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2.75" |
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Driving power |
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3.0 kW |
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4 hp |
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Load during live grinding |
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70 Nm / 100 Nm |
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52 / 74 ft lbs |
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Concentricity precision |
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0.0004/0.0002 mm |
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0.000,016"/0.000,008" |
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C axis for form grinding |
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0.0001 deg |
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Tailstock |
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Fitting taper |
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Morse 3 |
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Travel of barrel |
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35 mm |
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1.37" |
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Barrel diameter |
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50 mm |
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1.97" |
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Fine adjustment |
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± 40 µm |
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0.0016" |
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Swivelling machine table |
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- |
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control |
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Fanuc 21i-TB
(16i-TB) |
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straightness of surface line |
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0.002 mm / 400 mm |
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0.000,08 / 15.7" |
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Total power input |
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20 kVA |
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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
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Click here to view the full machine brochure in PDF format
(file size 755KB)
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