MODEL SERIES ST / SK 0.1 - 160,000 NM|
Available disengagement modes for R+W Torque Limiters:
Single-position  |  Multi-position  |  Load holding  |  Full disengagement

Torque Limiter / Safety Coupling Model SK5
with clamping hub, press-fit version

Torque Limiters for direct drives

  • easy mounting and dismounting
  • electrically and thermally insulated
  • compensates for shaft misalignment
  • adjustable settings

Design:
With a single radial clamping screw per hub.

Temperature range:
-30 to +120° C (3.6 F to 270 F)

Backlash:
Zero backlash connection trough the R+W reliable preload design.

Service life:
R+W Torque Limiters are maintenance-free.

Material:
Bellows made of highly elastic stainless steel.
Safety section: High strength hardened steel.

Technical Data:

  • rated torque from 0.1 - 850 Nm
  • shaft diameter from 3 - 75 mm
 Safety Coupling SK 5, press-fit version with clamping hub

Features Torque Limiter Model SK5:

  • actuation ring moves to trigger external sensor
  • absolutely backlash-free and torsionally rigid
  • maintenance free
  • low moment of interia
  • actuation ring moves to trigger external sensor
  • disengagement within 1 - 3 msecs.

  This Torque Limiter is available as ATEX version
for applications in explosive atmosphere.

Possible applications of Torque Limiter SK5:

Safety Coupling: Possible applications of Torque Limiter SK 5

Design details of press-fit Torque Limiter SK5

Six self-centering, tapered drive projections (2) have been formed into the conical element, which has been molded onto an aluminium hub (1).

The six axially arranged projections are configured conically in a longitudinal direction (3). The mating-piece consists of a metal bellow with a female tapered mounting segment (4).

Absolutely backlash-free torque transmission is ensured due to the axial pretensioning (5) of the metal bellows during mounting. This slight pretensioning has no negative influence on the operation of the metal bellows or on the shaft bearing.

Design details of Torque Limiter SK5

 

Possible applications for backlash-free, press-fit torque limiter SK5

Applications for press-fit Torque Limiters 1 Applications with limited accessibility.
The dismounting of a singlepiece
coupling is too labor intensive.

2 The press fit design allows the
complete drive unit to be removed
by simply pulling it out when
servicing is required.

Dismounting the coupling is possible
without loosening the hub fastening
screws. Therefore, clamping
screw access holes are not required.
Motor

Press release about these Torque Limiter / Safety Coupling please click here

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