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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.
Ruland oldham couplings are a three-piece assembly with a balanced, high RPM design comprised of two anodized aluminum or stainless steel hubs and a center disk. Designers can choose between acetal, Nylon, and PEEK center disks to balance torsional rigidity, torque, and environmental compliance. Ruland uses a proprietary machining process to ensure smooth interaction between the oldham coupling hub tenons and disk allowing for the longest service life in the industry. Oldham couplings accommodate significantly more parallel misalignment (up to 10% of the outer diameter) than any other Ruland servo coupling. Due to their three-piece design oldham couplings be easily assembled and taken apart. This makes them ideal in printing applications with rollers that are frequently changed and replaced. Operators need only remove the center disk before separating shafts, saving significant time when compared to one-piece couplings that require tools to remove and install. If coupling failure occurs the center disk will act as a torque limiter by breaking cleanly and ceasing power transmission, potentially protecting expensive machine components. In this event operators can quickly and easily replace the relatively inexpensive disk to quickly return to normal operation. Bore sizes are available from 1/8” to 1-1/8” and 3mm to 30mm. Oldham coupling hubs are available in clamp and set screw styles with or without keyways, allowing designers to mix and match hubs to fit different shaft types. All oldham couplings have a balanced, zero-backlash design for reduced vibration and precision operation.
