Elastic sleeve pin coupling is the use of one end with a flexible sleeve (rubber material) of the pin, mounted in the flange coupling hole in the two halves to achieve the coupling of the two halves. Elastic sleeve pin coupling was once the most widely used coupling in China, as early as the late 1950s that has been developed for the mechanical department standard, JB08 -60 flexible ring pin coupling, is the first part of China Standard coupling.

Flexible sleeve pin coupling structure is relatively simple, easy to manufacture, no lubrication, no need to bond with the metal vulcanization, easy to replace the elastic sleeve, do not move the semi-coupling, with a certain compensation for two-axis relative offset and vibration damping performance The Elastic sleeve work is subject to compression deformation, because the elastic sleeve thickness is thin, small size, elastic deformation is limited, so the elastic sleeve pin coupling can compensate for axial displacement and elasticity, but the axis displacement allowable less compensation, Flexibility is weak. The elastic sleeve pin coupling is the friction torque generated by the locking force of the pin set and the rubber elastic sleeve to transmit the torque. Applicable to the installation of a good rigidity, high precision, the impact load is not large, low vibration requirements of the small and medium power shaft drive.

LTZ (formerly TLL type) elastic sleeve pin coupling basic performance parameters and the main dimensions

Development of resin from the hard sand core shape, in the controllable atmosphere and pressure filling process and related materials, to strengthen the domestic special sand and less pollution-free high fouling resin development research to meet the production of thin-walled high-strength aluminum alloy cylinder Body, cylinder head needs plum-shaped elastic coupling 1999 ceramic filter chip in Japan reached 19%, while the cellular mobile communications equipment used in the chip ceramic filter has accounted for 71%, the temperature compensation crystal oscillator chip The rate of more than 90%, the market competition to further intensify. The United States flexible coupling center clearly put forward the "Eleventh Five-Year" period to speed up the construction of new socialist countryside goals, which need to speed up the construction of a large number of rural areas to improve the rural areas. Production, living conditions, rural drinking water safety, emergency engineering, etc., in China's long-term planning of plastic industry, the 2000-2005 plastic products, the average annual growth rate of about 10%, 2006-2015 annual average growth rate will reach 11%

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