Synchronous Ratcheting SIKUMAT® SN … with single rollers Advantages • Synchronous re-engagement after 360° • Integral fixed bearing • Driving keyway in the connecting flange for maximum load capacity • Calibrated micro adjustment of torque setting possible, even post-installation • Cost effective The Single Roller Principle The torque is transmitted via rollers which are pressed by Belleville springs into detents. When the preset limit torque has been reached, the detent ring is axially displaced. Re-engagement is effected synchronously after 360° due to the asymmetrical division of the detents. FF FF Function • When the preset limit torque has been reached the SIKUMAT® ratchets. • Following elimination of overload automatic synchronous re-engagement of the SIKUMAT® to the starting position after 360°. • The overload can be indicated by a proximity switch. This means that the drive can be switched off immediately or another control function

Synchronous Ratcheting SIKUMAT® SN … with single rollers Types Series SN - Basic version with flange connection For attaching chain wheels, belt pulleys, gear wheels etc. Bearing of attached component on the shaft to be provided by the customer. Series SNR - with short hub and integral needle bearing With short hub and needle bearing for narrow components to be connected. Series SNG - with long hub With long hub for wide components to be connected. Bearing of the attached component in the form of plain or needle bearing to be provided by the customer. 27-3 Series SNE - with flexible shaft coupling...

Synchronous Ratcheting SIKUMAT® SN with single rollers Basic version with flange connection keyway width N 1 x between 2 tapped holes Z = number of tapped holes G on pitch circle T · Installation must be shut down as soon as torque limiter responds Technical Data Type Dimensions Type Keyway as per DIN 6885, page 1 · Tolerance of keyway width JS9 1) Keyway as per DIN 6885, page 3 · Tolerance of keyway width JS9 Example for Ordering Type Preset limit torque with proximity switch Torque type

Synchronous Ratcheting SIKUMAT® SNR with single rollers with short hub and integral needle bearing Z = number of tapped holes G on pitch circle T · Installation must be shut down as soon as torque limiter responds Technical Data Type Dimensions Type Keyway as per DIN 6885, page 1 · Tolerance of keyway width JS9 1) Keyway as per DIN 6885, page 3 · Tolerance of keyway width JS9 Example for Ordering Type Preset limit torque with proximity switch Torque type

Synchronous Ratcheting SIKUMAT® SNG with single rollers with long hub Z = number of tapped holes G on pitch circle T · Installation must be shut down as soon as torque limiter responds Technical Data Type Dimensions Type Keyway as per DIN 6885, page 1 · Tolerance of keyway width JS9 1) Keyway as per DIN 6885, page 3 · Tolerance of keyway width JS9 Example for Ordering Type Preset limit torque with proximity switch Torque type

Synchronous Ratcheting SIKUMAT® SNE with single rollers with flexible shaft coupling Installation must be shut down as soon as torque limiter responds Technical Data Type Dimensions Type Engagement travel Keyway as per DIN 6885, page 1 · Tolerance of keyway width JS9 1) Keyway as per DIN 6885, page 3 · Tolerance of keyway width JS9 Example for Ordering Type Preset limit torque with proximity switch Torque type