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Harmonic Drive SE strain wave gear set consisting of wave generator bearing (top left), flexspline cup (top right) and circular spline ring (bottom). Strain wave gearing (also known as harmonic gearing ) is a type of mechanical gear system that uses a flexible spline with external teeth, which is deformed by a rotating elliptical plug to engage ...
A harmonic balancer (sometimes called crankshaft damper, torsional damper, or vibration damper) is the same thing as a harmonic damper except that the balancer includes a counterweight to externally balance the rotating assembly. The harmonic balancer often serves as a pulley for the accessory drive belts turning the alternator, water pump and ...
A vintage postcard with the United Shoe Machinery factory in Beverly, Massachusetts Share of the United Shoe Machinery Corporation, issued 4. May 1916. United Shoe Machinery Corporation (USMC) was a U.S.-based manufacturer of various industrial machinery, particularly for the shoe manufacturing industry and monopolized the American shoe machinery business. [1]
Key products of this company are brush and brushless DC motors, brushless servo and torque motors, coreless DC motors, brushless motors with integrated drives, gearmotors, digital servo drives, motion controllers, incremental and absolute optical encoders, powered wheels and transaxles, power quality devices for reducing or eliminating harmonic distortion, as well as power wheelchair control ...
In 1957 Musser announced invention of strain wave gearing also known as harmonic gearing (U. S. patent 2,906,143). He is also the inventor of first fluidic stepper actuators [ 3 ] References
A harmonic gear or strain wave gear is a specialized gearing mechanism often used in industrial motion control, robotics and aerospace for its advantages over traditional gearing systems, including lack of backlash, compactness and high gear ratios.
The organisation is part of EUROTRANS, [4] also known as the European Committee of Associations of Manufacturers of Gears and Transmission Parts, the European trade association for gear and transmission manufacturers, and works with Orgalim. Equivalent European organisations are VDMA in Germany, and Artema in France.
Hypoid spiral bevel gears. A hypoid is a type of spiral bevel gear whose axis does not intersect with the axis of the meshing gear. The shape of a hypoid gear is a revolved hyperboloid (that is, the pitch surface of the hypoid gear is a hyperbolic surface), whereas the shape of a spiral bevel gear is normally conical.
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