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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 star knobs are ergonomic, star shaped handles with rounded edges that are attached to a threaded stud or tapped hole. They are used to replace standard screws in robotic applications that require frequent adjustments. Star knobs allow users to turn a knob by hand to install, adjust and remove robotic components such as motors, sensors, processors, control panels, and mechanical parts without tools. Robotic applications benefit from star knobs that are quick to install or remove, low-profile, and lightweight. Robots are made up of multiple components that need to be operating correctly and the ability to change components without the use of tools saves time during repairs, adjustments, or replacements. Small knob dimensions allow for use in confined spaces that are difficult or impossible to reach with wrenches. The lightweight plastic knob design reduces stress on other components, does not slow the robot down, and can reduce energy use. Stainless steel knobs have better corrosion resistance and durability, can be used in washdown applications, and can withstand extreme temperatures from 20°C to 700°C. Ruland star knobs are available in tapped and stud types with inch and metric threads ranging from #10-32 TPI to 1/2" - 13 TPI or M4 to M16. Knobs are made of lightweight, shock-resistant technopolymer plastic with zinc-plated steel components and stainless steel with stainless steel components. Star knobs are sourced from JW Winco and stocked in our Marlborough, Massachusetts location.
