Friction bearing type pin-and-block universal joints from Ruland are designed for applications with moderate-to-high-torque requirements in a wide variety of industries. Also called cardan joints or pin-and-block universal joints, they are manufactured from alloy steel for high strength or stainless steel for better corrosion resistance. They are comprised of precision machined, selectively heat-treated and ground components (yokes, pins and blocks) to maximize performance and service life. Single plain bearing universal joints are best suited for space constrained applications and are capable of angular misalignment up to 45°, significantly more than commodity style single u-joints. Double u-joints are better suited for applications with a wide distance between shafts or requiring angular misalignment up to 90°.
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Ruland friction universal joints are available in OD sizes ranging from 3/8&#; to 4&#; in bore sizes ranging from 3/16&#; to 2&#; or 5mm to 35mm. They can have finished bores with or without keyways or machinable bores allowing the user to make custom sizes or geometries. All bore configurations can include a set screw.
Universal joints are used to transmit power, motion, or both. Cardan joints or Hooke joints are the most common and consists of two yokes, one on each shaft, connected by a cross-shaped intermediate member called the &#;spider&#;. The angle between the shafts is called the operating angle. It is usually constant during operation, but not necessarily so. Good design practice calls for low operating angles, often less than 25°.
Universal joints are available in steel or in thermoplastic body members. For maximum load-carrying capacity, for a given size, a steel universal joint should be selected. Universal joints with thermoplastic body members are used in light industrial applications in which their self-lubricating feature, light weight, negligible backlash, corrosion resistance, and capability for high-speed operation are significant advantages. Ball-jointed universals are used for high-speed operation and for carrying large torques. They are available in miniature and standard sizes.
Contact us to discuss your requirements of Stainless Steel Universal Joints. Our experienced sales team can help you identify the options that best suit your needs.
SDP/SI pioneered the concept of combining the exceptional qualities of selected plastic materials with different metals to create products that incorporate both. &#;SUPER-PLAST&#; designs have the following advantages:
&#; Inexpensive replacement of metal components
&#; Dampens vibration
&#; Corrosive and chemical resistant
&#; Electrically insulated
SDP/SI offers an extensive selection of inch and metric-dimensioned universal joints available in steel, stainless steel, acetal, and acetal with brass spider and inserts as standard catalog items.
The molded universal joints can be manufactured to special requirements:
&#; Bores molded to accommodate square, &#;D&#; shape, or hexagonal shafts
&#; Shafts molded into the components
&#; Zero backlash or components with built-in backlash
&#; Gears, pulleys, or other components molded or assembled to couplings or universal joints
SDP/SI
www.sdp-si.com/products/Couplings
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