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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.
Clamp style universal joints improve over set screw style because they do not mar the shaft, offer infinite adjustability, and can be used on all shaft types. Ruland is the only North American supplier of clamp style universal joints and manufactures the clamp feature, bores, and keyways in our advanced manufacturing facility in Marlborough, MA USA. They are available in sizes from 1/4" to 1 1/4” in steel for high strength and stainless steel for corrosion resistance.
Ruland offers the widest range of standard round and threaded bore shaft collars for robotic applications. They are manufactured in set screw and one- and two-piece clamp style. Robotic system designers prefer clamp style because they do not mar the shaft, are infinitely adjustable, and have higher holding power when compared to set screw types. Ruland mates halves of two-piece collars throughout the manufacturing process for proper fit and to maintain holding power. Clamp style shaft collars wrap evenly around the shaft ensuring a precise fit and maximum holding power capabilities. They are commonly used for guiding, spacing, stopping, and component alignment. Ruland manufactures shaft collars with tightly controlled face to bore perpendicularity (TIR ≤ 0.002" / 0.05mm) which is critical when the collar is used as a load bearing face for components such as bearing or gears. Robotics applications often have threaded shafts due to vibration and high axial forces. Ruland manufactures one- and two-piece clamp style threaded shaft collars with double tapped threads ensuring precise and burr-free threads to extend shaft life, have a proper fit, and allow for easy installation and removal with damaging the shaft. Shaft collars from Ruland are carefully manufactured in our Marlborough, MA factory for strict control of proprietary processes that ensure superior fit finish and holding power. They are made from 1215 lead-free steel with a black oxide or zinc plated finish for high holding power, 303 and 316 stainless steel for corrosion resistance, high strength 2024 aluminum, engineered plastic, and lightweight titanium. Ruland shaft collars are available with bore sizes ranging from 1/8” to 6” and 3mm to 150mm.
