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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.
