First of all, the polygon movement and the meshing contact of silent chain drive are analyzed and the design of a new tooth profile sprocket is developed. The normal sprocket profile is modified refer to involute sprocket profile.
首先本文分析了齿形链传动过程中存在的多边形效应和啮合冲击，以减小机构高速运转时链条与链轮的啮合冲击，降低链条的波动量，提高链传动的平稳性为目标，开展了新型齿廓链轮的设计研究。
参考来源 - 复合齿廓齿形链链轮的啮合机理及动态分析·2,447,543篇论文数据，部分数据来源于NoteExpress
主要振因是当工作辊轴承座与牌坊之间间隙过大时，接轴弧形齿的啮合冲击将激起轧辊横向振动。
The vibrations are caused by spindle curved tooth meshing impact when the gap between work roller bearing block and frame is oversized.
对步进链的多边形效应，不同运动规律下链与链轮的啮合冲击、链节张力及附加动载荷等进行了分析与研究。
The study on polygonal or chordal action, the associated impact between rollers and sprockets and dynamic loading in the system is carried out with different motion laws.
由于存在修形原理误差、齿轮加工误差以及载荷工况的变化，渐开线修形齿轮在使用中仍会有啮合冲击现象。
Owing to the modified error in principle, the manufacturing error and the variation of the load, there still exists the mesh impact in the transmission of modified spur gear.
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