SK - SK
- Brand: Wittenstein
- Product Code: SK
Description: Our SK unit is a ersatile hypoid gearbox with SP+ compatible output shaft. The SPK+ gearboxes with planetary stage are designed for high-precision applications requiring higher power and torsional rigidity.
Description: Our SK unit is a ersatile hypoid gearbox with SP+ compatible output shaft. The SPK+ gearboxes with planetary stage are designed for high-precision applications requiring higher power and torsional rigidity.
Yourbenefits
Features SK+
MF-versionSPK+
MF-versionPower density ++ ++ Â Positioning accuracy
Â
(e.g. clamped drives)++ +++ Highly dynamic applications ++ ++ Torsional rigidity ++ ++
Technicaldata
  SK+
MF-versionSPK+
MF-versionRatio i 3 - 100 12 - 10000 Number of sizes  5 6 Max. torsional backlash
jt [arcmin] Standard ≤ 4 Standard ≤ 4    Reduced ≤ 2 Max. torque T2α [Nm] 20 - 768 80 - 5700 Max. input speed n1Max [rpm] 6000 6000
Options
 SK+
MF-versionSPK+
MF-versionOutput type   Smooth shaft ✓ ✓ Smooth shaft, rear side ✓ ✓ Shaft with key ✓ ✓ Shaft with key, rear side ✓ ✓ Splined shaft (DIN 5480) ✓ ✓ Hollow shaft interface, rear side ✓ ✓ Mounted shaft  ✓ Closed cover, rear side ✓ ✓ input type   Motor mounted version ✓ ✓ Design   ATEX a) ✓  Food grade lubrication a) b) ✓ ✓ Corrosion resistant a) b) ✓ ✓ Accessories   Couplings ✓ ✓ Rack ✓ ✓ Pinion ✓ ✓ Shrink disk ✓ ✓ Sensor flange torqXis ✓ ✓ Intermediate plate for cooling connection ✓ ✓
Technical data / Dimension sheets
Catalog alpha Advanced Line
Ordering code / CAD data SPK
Ordering code / CAD data SK
Technical documents (incl. operating manual)
Operating manual SK
Instruction sheet: Sealing Plate
Operating manual cynapse
Motor mounting video alpha Advanced Line / alpha Premium Line