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A new series of 22 spring-wrapped slip-couplings introduced by Sterling Instrument is designed for long life under continuous slip conditions. The varied applications range from tension control to overload protection. The couplings are used for tension control of film or tape devices and in applying friction loads to test components. They feature precision and stable limit torque calibration (0.035 to 1.695 N•m).

Identified as the S9941YM Series, they are designed to fit shafts ranging in diameter from 3 mm up to 16 mm. Coupling diameters and length range from 12.7 mm to 57.15 mm and from 22.6 mm to 57.15 mm, respectively. When the load exceeds the limit torque of the slip coupling, the two shafts rotate relative to each other at the full limit torque. The standard coupling is designed to operate with 3° angular or linear misalignments of up to 0.25 mm between the two shafts. The mounting hole diameters of the slip couplings can differ for the two ends, so that different diameters of "in-line" shafts can be coupled together. Prices start at $76.09 for single unit quantity. Delivery is from stock.

Detailed specifications in Catalog D785, available free upon request from Sterling Instrument.

SI 19