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直线共轭内啮合齿轮传动重合度的计算分析 总被引:1,自引:0,他引:1
《流体机械》2017,(2):28-31
文章根据齿轮啮合基本原理,以齿轮传动重合度计算理论为基础,推导出直线共轭内啮合齿轮传动重合度计算公式,并分析研究影响直线共轭内啮合齿轮传动重合度的主要因素及其与重合度的关系,对直线共轭内啮合齿轮泵的设计理论及应用有一定的指导意义。 相似文献
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平动齿轮机构重合度的分析 总被引:1,自引:0,他引:1
利用求解两齿廓切点的方法,通过一个实际例子,说明了用定轴齿轮传动重合度计算方法计算的重合度小于1时的平动齿轮机构的传动情况。并分析了平动齿轮机构的齿廓啮合过程及连续传动情况,澄清了工程界的一些不确切的说法。 相似文献
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本文针对渐开线齿廓斜齿轮啮合过程中的啮合线长度进行分析与计算,得出斜齿轮的啮合线长度的计算公式,给出了斜齿轮的重合度计算公式;通过对斜齿轮啮合实际过程的分析,分析得到斜齿轮接触线长度与重合度之间的关系,推出了接触线长度的计算;最后在基于实际啮合情况下,展开了对斜齿轮单位接触线载荷的研究。 相似文献
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渐开线圆柱齿轮传动的重合度计算 总被引:6,自引:2,他引:6
阐述了渐开线直、斜齿圆柱齿轮传动的重合度的概念及具体计算与图解方法。详细说明了如何用端面参数按直齿圆柱齿轮的重合度公式来计算斜齿轮的端面重合度。 相似文献
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非圆齿轮副重合度的精确计算方法 总被引:3,自引:1,他引:2
本文根据非圆齿轮的加工方法,分析了用渐开线刀具加工非圆齿轮时齿廓曲线法方向的形成特点,进而提出了一种非圆齿轮副重合度的精确计算方法。 相似文献
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A measurement method for contact angle based on Hough Transformation is put forward in this paper. It is proved reliable through a study on the drop shape of water on Teflon, polypropylene and stainless steel. The measurement method for contact angle is implemented in the following procedures, drop shape image graying, and threshold segmentation with OTSU method, edge detection by Roberts operator, and the line and circle detection by Hough Transformation. The water contact angles on the Teflon, polypropylene and stainless steel are obtained by calculation; they are 113.23°, 104.34° and 77.28° respectively. The noise experiment shows that the method works with high robustness. 相似文献
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Optimization of helix angle for helical gear system 总被引:1,自引:0,他引:1
A method is presented to optimize the helix angle of a helical gear from the viewpoint of the transmission error, which is
the deflection of the teeth due to the transmitted load. The deflection of the gear teeth is calculated by using the bending
and shear influence function, which is formulated from the common formula for deflection obtained from FEM, and the contact
influence function based on Hertzian contact theory. Tooth contact analysis is performed to calculate the contact lines of
the helical gear, where the deflection of the tooth is measured. A numerical example is presented to explain a method to optimize
the helix angle of a helical gear system. The relation between the contact ratio and transmission error is investigated through
calculations of the variation in the transmission error with the helix angle.
This paper was recommended for publication in revised form by Associate Editor Hong Hee Yoo 相似文献
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行星齿轮传动速度分析的瞬心—速度矢量法 总被引:4,自引:0,他引:4
将瞬心分析与速度矢量法相结合的瞬心——速度矢量法较转化机构法更为清晰、明了、直观。仅通过定性速度分析便可清晰地了解行星齿轮传动机构中诸构件的运动形态。应用此方法,可定性地绘制出行星齿轮传动机构速度分析图谱。从而为行星齿轮传动机构的选型设计和定性分析提供了极大方便。应用此法还可动态地解释差动、行星、定轴轮系间的有机联系;并可从本质上解释清楚用转化机构法难以解释的一些现象。 相似文献
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根据齿轮啮合原理和接触力学,深入研究了渐开线齿轮传动啮合过程中各啮合点的接触应力计算,研究了不同参数齿轮传动最大接触应力可能出现的啮合位置,分析了国家标准(GB/T 3480-1997)接触强度计算公式,指出了国家标准中接触应力计算公式的局限性,提出了更加全面的确定和计算最大接触应力的方法;并运用Visual Basic语言和Microsoft Visual Basic6.0软件,编制了齿轮接触强度的计算程序;程序为计算齿轮的几何参数、接触应力及接触强度校核提供了快捷的工具,可以大大提高了齿轮设计的效率. 相似文献
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Ognyan AlipievAuthor Vitae 《Mechanism and Machine Theory》2011,46(1):10-32
The index gear drive potential is defined for the estimation of the quality of spur gear drives as a maximum contact ratio obtained at the contact of teeth profiles along the full line of action. In this paper, a new method is proposed for the geometric design of symmetric and asymmetric involute meshing in which the contact ratio of the gear drive is equal to its potential. This method is appropriate for the geometric design of spur gears with a small teeth number and is based on the generalized model of involute meshing. The gear drive potential is assigned as an input value, from which, after appropriate calculations, the geometry of rack-cutters, gears and involute meshing can be determined. Using the proposed method, the areas of the realized potential and the areas of the existence of involute gear drives are defined. In addition, many numerical examples are solved. In the cases of symmetric and asymmetric meshing, the minimum teeth number is obtained when the gear drive potential is larger than one. 相似文献
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