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首页> 外文会议>IFTOMM Asian conference on mechanism and machine science >Calculation and Analysis on Crest Thickness of Edge Tooth of Height-Modified TA Worm
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Calculation and Analysis on Crest Thickness of Edge Tooth of Height-Modified TA Worm

机译：加高TA蜗杆棱齿齿顶厚度的计算与分析。

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As is well known, the tapering edge tooth may greatly degrade the working performance of a toroidal worm pair so checking its occurrence is always necessary in the process of the design. For this, a mathematical model is established to compute the top thickness of the edge tooth for a height-modified TA worm. Due to the geometric particularities of the height-modified TA worm, the crest thickness of its edge tooth can be obtained semi-analytically and semi-numerically. By means of the above mathematical model, the influence of the quantity of the height modification on the crest thickness of the edge tooth is investigated systematically. The results show that the tapering of the edge tooth will occur more easily when the number of worm thread is more and the transmission ratio is less. Moreover, if the cutter frame moves down, the top width of the edge tooth will decrease. From the viewpoint of avoiding the edge tooth pointing, the selection principle of the height modification amount is also recommended.
机译：众所周知，渐细的棱齿会极大地降低环形蜗杆副的工作性能，因此在设计过程中始终必须检查其出现。为此，建立了一个数学模型来计算高度经过改进的TA蠕虫的边缘齿的顶部厚度。由于高度改进型TA蜗杆的几何特性，可以通过半解析和半数值方法获得其边缘齿的牙冠厚度。利用以上数学模型，系统地研究了高度修正量对刃齿牙顶厚度的影响。结果表明，当蜗杆数多而传动比小时，刃齿的锥度将更容易发生。此外，如果刀架向下移动，则刃齿的顶部宽度将减小。从避免边缘齿尖的观点出发，还建议了高度修改量的选择原理。

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