Torque overload protection is often overlooked in machine design until something jams resulting in expensive damage and down time. The R+W Series SK1 safety coupling was developed specifically for this purpose. It uses a reliable ball detent system that is absolutely backlash-free and will disengage within 1 to 3 milliseconds when an overload is detected.
Four versions are available including a single position, multi-position, load holding, and free wheeling. These couplings are preset in the factory to a customer specified disengagement torque and can be adjusted in the field after installation.
The SK1 can be integrated into timing pulleys, sheaves, and sprocket wheels for a torque range of 0.2 to 1500 Nm (1.8 to 13,275 in. lbs.). It is shaft mounted using a clamping hub, taper conical sleeve or a pure keyway connection for shaft sizes from 4 to 70 mm (0.16 to 2.76 in.).
Text: R+W Antriebselemente GmbH:17.10.05
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