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Large jaw couplings are now being offered for bore sizes up to 1-3/4” or 45 mm and torque capacities of 2,655 in-lbs (300 Nm). These new large jaw couplings are designed for use in precision systems with high deceleration and acceleration curves, such as those found in semiconductor, solar, conveyor, and warehouse automation applications.
Pre-assembled modular mounting systems are designed for adjustability across many mounting applications. Conveyor mounting systems emphasize strict parallel installation using a flange-bolt base and a conveyor rail guide. Sensor mounting systems offer flexibility in a mounting application with adjustable or 90-degree connectors, two-way bases, and various mounting brackets. Both systems include stainless steel rods (with or without scale) from 100mm to 300mm in length, zinc clamping levers, and connectors that allow adjustment of the rods’ position.
Mountable shaft collars with face holes are designed to mate directly with components such as sprockets, pulleys, and metallic plates. Ruland manufactures them with drilled holes for mounting flexibility or threaded holes for the most secure connection between the collar and mated component. They are offered in steel, aluminum, and 303 stainless steel in bore sizes ranging from 3/8” to 2” and 10mm to 50mm.
Slit couplings are zero-backlash and manufactured from a single piece of aluminum with intermittent slit cuts allowing for high torque and torsional stiffness capabilities, low inertia, and a long-life. The proprietary slit pattern with radiused edges reduces stresses that build up during misalignment conditions and torque load allowing for reduced wear and stress on the coupling.
Slit couplings have a high-performance design that balances torque, misalignment, and torsional stiffness capabilities. The have a torque capacity comparable to that of a single disc coupling, torsional stiffness similar to a stainless steel beam coupling, and accommodate misalignment like an aluminum beam coupling. This combination makes for a well balanced coupling that can be used in demanding applications where high misalignment is present.
Ruland offers slit couplings in RL- and RS-series. RL-series couplings have longer lengths allowing for greater parallel misalignment capabilities and increased torsional stiffness. RS-series couplings are designed to fit in compact spaces and offer parallel misalignment capabilities, differentiating them from single disc couplings. Both series can accommodate all forms of misalignment with low bearing loads and have a balanced design for speeds up to 70,000 RPM.
Slit couplings are available in clamp screw and set screw designs with inch, metric, and inch to metric bore sizes ranging from 1/8” to 3/8” and 1.5mm to 12mm. They are manufactured by Reliance Precision Ltd. in their Cork, Ireland factory and stocked or bored to size in Ruland’s Marlborough, MA location.
