Design and Experimental Research on Double-Pitch Time-Sharing Meshing Silent Chain

Song Ding; Xiao Lun Liu; Ying Bo Zhang; Ji Guang Lu; Jia Jun Liu; Guo Yu Zhu

doi:10.4028/www.scientific.net/AMM.241-244.429

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 241-244Design and Experimental Research on Double-Pitch...

Design and Experimental Research on Double-Pitch Time-Sharing Meshing Silent Chain

Abstract:

In order to apply silent chain on conveyor, double-pitch time-sharing meshing silent chain is proposed, and by comparing with traditional silent chain with same pitch, the self-weight 20%~30% of this chain is reduced. According to meshing theory, parameters are designed for double-pitch time-sharing meshing silent chain to make each tooth profile of chain plate involving in meshing and time-sharing load bearing and to change the meshing state of traditional silent chain in the meshing process. Noise comparison test is conducted to verify its excellent performance, when rotate speed is 350r/min, the noise of double-pitch time-sharing mesh silent chain is 4.6dB lower than traditional double-pitch roller chain. Meanwhile, 250h abrasion test is conducted, the abrasion elongation of chain is 0.23% after test, which is significantly lower than traditional double-pitch roller transport chain. The rationality of new chain design is proved by test result, which provides theoretical basis for applying silent chain on conveyor.