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Cross Safegard Overload Clutches The Safegard series of overload clutches were developed to provide overload protection of high torque values with a compact unit. Directly interchangeable with other units in the market, this series offers low cost precision with minimal maintenance for a long reliable service life. Safegard clutches are in two basic series, the Standard series, for optimum speed and torque, and the Mini series, for lower cost option on slower speed drives. Both series are also available as shaft couplings.
Four options of operation are available.
1. The basic Safegard CSF design, using ball driving system for high speed, non synchronous applications. 2. The Synchron CSY design, with roller drive for lower speed synchronous applications. 3. The Safe Lift CSL, also with roller drive, but remaining in constant drive, only indicating overload by axial movement onto the limit switch. 4. The Safebreak CSZ design where the unit is held on totally free running condition after overload and requires manual re-engaging. Cross Safegard Overload Clutches PDF Catalogue

CS Standard Series Clutches The standard series of clutches are available in 8 sizes offering three modes of operation, simple overload, synchronous overload, and safelift, and in 7 sizes of the total dis-engagement design. All are available with three methods of supporting drive sprockets, pulleys, or gears, to provide flexibility in application design. Type A - allows simple connection of a driven gear with its own bearing support. Type B - has an integral needle roller bearing providing full support of driven gear. Type C - has extended inner race to mount larger pulleys with plain bearings. Up to four torque ranges are available on each size of clutch, controlled by selection of the actuating spring set, providing a wide range of torque capacities to select from. Inertias are provided for each half of the clutch in dis-engaged condition, the hub inertia incorporating all items that revolve free with the hub, and the flange inertia all those items that stay with the flange connection. CS Standard Series Clutches PDF Catalogue

Cross CS Standard Series Overload Shaft Couplings  For shaft to shaft connection CS Standard series clutches are available with an elastomeric coupling for all the sizes and modes of operation, simple overload, synchronous overload, or safe lift and total dis-engagement. The elastomeric Coupling permits up to 1/2 degree angular misalignment, with 0.3mm radial and a maximum of 0.5mm axial. The rubber element absorbs peak shocks, providing greater accuracy in overload protection. Up to five torque ranges are available on each size of clutch, controlled by selection of the actuating spring set, providing a wide range of torque capacities to select from. Inertias are provided for each half of the clutch in dis-engaged condition, the hub inertia incorporating all items that revolve free with the hub, and the coupling inertia all those items that stay with the flexible coupling. Cross CS Standard Series Overload Shaft Couplings PDF Catalogue

CS Mini Series Clutches The CS Mini series of clutches is available in 4 basic sizes with simple overload, and synchronous overload facility. These lower cost units are offered with two methods to attach sprockets, gears, or pulleys. Type E - allows connection of driven gear with its own external bearing support. Type F - has extended inner race suitable to mount larger pulleys with a bronze or needle roller bearing. Four torque ranges are available on standard units, and three on the synchronous version, providing a wide range of torque capacity to select from. The series is suitable for moderate speed applications with low radial forces and infrequent tripping. The design is suited to inline stop switch, or proximity switch. CS Mini Series Clutches PDF Catalogue

CS Mini Series Couplings For shaft to shaft connection CS Mini series clutches are available with an elastomeric coupling for all the sizes and modes of operation, simple overload, synchronous overload. The elastomeric Coupling permits up to 1/2 degree of angular misalignment, with 0.3mm radial, and a maximum of 0.5mm axial. The rubber element absorbs peak shocks, providing greater accuracy in overload protection. Up to four torque ranges are available on each size of clutch, controlled by selection of the actuating spring set, providing a wide range of torque capacities to select from. The series is suitable for moderate speed applications with low radial forces and infrequent tripping. The design is suited to inline stop switch, or proximity switch. CS Mini Series Couplings PDF Catalogue