Among a wide range of couplings, the drum gear coupling has the advantages of small size, large transmission torque, strong ability to absorb coupling errors, and excellent durability. It is the most common coupling of two drive shafts in medium and heavy machinery. Parts.

　　In engineering practice, due to manufacturing and installation errors, component deformation, wear, and foundation sinking, the position of the two axes will be offset, and axial displacement, radial displacement, angular displacement and comprehensive displacement will occur.The existence of offset causes additional dynamic loads on shafts, bearings, and couplings, causing vibrations and worsening the working conditions of machine parts.

　　The background of studying the drum gear coupling, the coupling is an important mechanical basic component, its function is to connect the driving shaft and the driven shaft, and transmit torque to make the two shafts rotate together.Under special working conditions, such as drum-shaped gear couplings for glass industrial mixers, because the force state of the drum-shaped teeth is a multi-tooth contact and nonlinear problem, there is a large deviation between the traditional calculation model and the actual engineering, and the tooth surface Failure problems such as fatigue damage and deformation of connecting bolt holes are still problems that need to be studied and solved urgently.

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