Small torque limiter packs big performance
A
Tandler Precision product story
Edited by the Engineeringtalk editorial team
Jun 29, 2000
The need to isolate driving and driven forces in physically small automation systems has been met by the introduction of R+W's miniature safety coupling.
The need to isolate driving and driven forces in physically small automation systems has been met by the introduction of R+W's miniature safety coupling.
This new addition to the SK range has an outer diameter of 21mm, an overall length of just 29mm and a torque rating of 1Nm which is infinitely adjustable down to 0.1Nm; this new model is now available in the UK from Tandler Precision.
The R+W patented operating principle and frictional clamp connection ensure the model is completely backlash free.
It is also torsionally stiff and has an extremely low moment of inertia.
In the event of an overload, the degressive characteristics of the disc spring allow speedy disengagement and low residual friction of the clutch; minimal wear is a further benefit.
In common with other models in the SK range, the smallest torque limiter is available in four designs.
The options are the standard, single position version and the multi-position design which automatically re-engages after 45 , 60 , 90 or 120 .
The load holding model permits minimal rotation and then maintains contact between the drive and driven faces without disconnecting the drive.
The final choice is the free-wheeling version which ensures permanent separation; this must be physically reset in the event of an overload.
Manufactured to ISO9001 the new, easy-to-install small coupling complements the full SK range which covers an adjustment range of 0.1 to 1500 Nms and shaft diameters from 4mm to 70mm.
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Contact Tandler Precision
Tel +44 1604 588056
Other Tandler Precision stories
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ST torque limiters handle huge torques
R+W's new ST torque limiters, available from Tandler, offer benefits over shear pin and hydraulic alternatives and are smaller than other mechanical torque limiters rated for up to 160,000Nm. -
Torque limiters keep it clean
The R+W SK range of torque limiters is characterised by its highly compact and uncomplicated design, patented backlash-free operation and millisecond disengagement. -
Redesigned gearboxes boast twice the torque
The new PowerMaster gearboxes are available in three sizes with maximum torques of 300, 640 and 1200Nm and in three ratios per size of 1:1, 2:1 and 3:1. -
Smaller torque limiters promise longer life
The latest generation of R + W torque limiters from Tandler Precision are more compact, weigh less and deliver an even longer service life than their forerunners. -
Elastomer couplings cope with sudden loads
The major advantage of R+W elastomer couplings is that they transmit high torque with no backlash while accommodating misalignment and dampening vibration.
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