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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.
Zero-backlash jaw couplings are a three piece assembly comprised of two aluminum hubs mated together by a center polyurethane element called the “spider.” This multiple piece design allows for a highly customizable coupling that can easily combine clamp or set screw hubs with inch, metric, keyed, and keyless bores. Zero-backlash jaw couplings have a balanced design for reduced vibration at conveyor speeds of up to 8,000 RPM. Ruland offers spiders in three durometers – 98 Shore A for high torque and torsional stiffness, 92 Shore A for a balance of stiffness and compliance, and 85 Shore A for high levels of dampening – allowing conveyor manufacturers the ability to specify the performance that best meets application requirements. The three piece design with multiple insert options is particularly useful in modular conveyor systems that can be used in a variety of applications with different performance demands. The original designer can specify the base model of jaw coupling and let the application engineer or customer specify the bore sizes, keyway needs, and desired performance. Zero-backlash jaw couplings are manufactured in our Marlborough, Massachusetts factory with bore sizes ranging from 1/8” to 1-1/4” or 3mm to 32mm.
