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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 disc couplings are zero-backlash and have high torque, torsional stiffness, and a balanced design making them an ideal fit for a variety of printer systems. They are offered in single and double disc styles for different design requirements. Single disc couplings are comprised of anodized aluminum hubs and stainless steel disc springs. They are well suited for applications with envelope constraints, but designers must be careful when using them as they cannot accommodate parallel misalignment. Double disc couplings are made of two anodized aluminum hubs, an anodized aluminum or acetal spacer (for electrical isolation), and stainless steel disc springs. The double disc style is designed to accommodate more misalignment than the single disc style, including parallel misalignment. Disc couplings have similar performance characteristics to bellows couplings with slightly reduced torque capabilities. In exchange, disc couplings offer superior misalignment capabilities. Their stiffness is high enough to prevent banding in applications such as large format printers. They are well-suited for other printing systems that require high torque and speeds up to 10,000 RPM. Disc couplings from Ruland are available in clamp and set screw hubs with or without keyways in bore sizes ranging from 1/8” to 1-1/4” and 3mm to 32mm. They are manufactured in our Marlborough, MA factory under strict controls using proprietary processes.
