SIKUMAT® SU
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Catalog excerpts

SIKUMAT® SU - 1

Advantages • Backlash free in both directions of rotation • Compact design • Integral ball bearing for supporting the component to be connected • Very high response accuracy through the ball principle • Simple and backlash free fastening onto shaft with integral cone clamping element • Calibrated micro adjustment of torque setting possible, even post-installation The Ball Principle The torque is transmitted via balls which are pressed by Belleville springs into v-shaped grooves. The grooves are arranged axially on the output side and radially on the input side, which means that torque can be transmitted backlash free in both directions of rotation. When the preset limit torque has been reached, the groove-ring is displaced. Due to the unsymetrical division of the grooves, re-engagement is effected synchronously after 360°, as soon as the overload has been eliminated. The negative characteristic disc springs give extremely fast, accurate and consistent overload protection. Function • When the preset limit torque has been reached the SIKUMAT® ratchets through. • 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 can be activated.

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SIKUMAT® SU - 2

Synchronous Ratcheting SIKUMAT® SU … – Backlash free with balls Types Series SU - Basic version with flange connection For attaching chain wheels, belt pulleys, gear wheels etc. Support of the component to be connected directly on the integral ball bearing. Series SUG - with long hub With long hub for wide components to be connected. Support of the component to be connected directly on the integral ball bearing; additional radial bearing to be provided by the customer. 39-2 Series SUE - with flexible shaft coupling For flexible connection of two shafts. Series SUL - with torsionally rigid...

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SIKUMAT® SU - 3

Technical Data Torque type

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SIKUMAT® SU - 4

Z = number of tapped holes G on pitch circle T • Installation must be shut down as soon as torque limiter responds 41-1 Technical Data Torque type

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SIKUMAT® SU - 5

Technical Data Torque type End number

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SIKUMAT® SU - 6

Technical Data Torque type End number

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