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addendum modification
    Calculation of Contact Stress and Selection of Addendum Modification of Plastic Gears
    塑料齿轮齿面接触应力计算及其变位系数选择
    Determination of the Addendum Modification Coefficients for NN Type of Involute Planetary Gear Transmission
    NN型行星传动变位系数的确定方法
    Through the analysis of the cold extrusion tehnologies to small module gear with addendum modification, the feasibility to produce the gear using extrusion technology was discussed, which is meaningful to improve the mechanical performance of the gear- drive parts and to reduce the cost.
    通过对传动用小模数变位内齿轮的冷挤压成形技术的分析、冷挤压成形工艺的探讨,阐述了冷挤压成形技术在小模数变位齿轮的实际加工的可行性,这对提高传动零件的机械性能和降低产品成本有着广泛的意义。
    The Optimization for the Addendum Modification Coefficient of Spur Gear
    直齿圆柱齿轮变位系数的优化选择
    Therefore,the suitable coefficient of engagement overlap got by profile correction and addendum modification is beneficial to the output property of the gear pump.
    因此,对齿轮齿形进行修形和变位修正使齿轮得到合适的啮合重合系数有利于改善齿轮泵的输出特性。
    The purpose of the present paper lies in how to find out the solution of the addendum modification coefficients x_1 and x_2 when an operating pressure angle α′ has been given and the calculating value of the trochoidal interference G_s can be successively approximated to any prescribed value.
    本文内容是当啮合角α′已指定,要向齿廓重迭干涉的验算值G_s为任意予期值逼近时,如何求变位系数x_1及x_2。 用切线法迭代次数少,可类推用于求任意限制曲线上的点在α′为某数值时的位置,可用此方法绘封闭图。
    An objection is raised in the paper to the simultaneous solution and the supplement of the differential iteration which are brought forth in the article "Calculation of Addendum Modification of Internal Gear Pair with Minor Difference in Tooth Number".
    本文对《少齿差内啮合齿轮变位系数的计算》一文所提出的联立求解法和对微分逼近法的改进提出了异议。
    This paper presents a new approach to the effective improvement of scuffing resistance of gears by optimization of addendum modification coefficients. A new flash temperature function Φ along the line of action has been derived to provide the great ease of optimization procedure.
    齿面瞬时接触温度是当今衡量齿轮胶合承载能力的最基本准则。 本文应用计算机辅助设计和实验手段,从齿面瞬温准则着手,研究并建立了优选变位系数以提高齿轮胶合承载能力的有效方法 作者通过理论分析,导出了瞬温函数φ_(max),编制了按瞬温准则建立的(φ_(max))_(min)优选变位系数的计算机程序。
    Two methods are usually used to increase gearing backlash for counter trains:1.Decrease addendum modification coefficient,but remain center distancein constant.
    对于计数齿轮传动,通常采用两种方法增大侧隙:中心距不变,减小变位系数;
    This paper presents a new method for the optimization of multi—objective in gear design,that is,a twice—optimization method. With the help of this method,an optimal solution of addendum modification coefficient favouring both to the bending strength and scuffing load capacity of gears is easily found.
    本文提出了一种多目标函数的优化方法,即二次优化法,并且用之求解了齿轮在胶合强度与弯曲强度条件下的综合最佳变位系数。
    The objective、function is the engagement efficiency of the nternal gear pair, The designvariables are addendum modification coefficicnts X_1,X_2 and addendum coefficient h*_a. Theconstraint equations are established to maintain sufficient contact ratio,crest width and toavoid different geometric interferences.
    该优化模型的目标函数为内齿轮副的啮合效率,设计变量为外、内齿抡的变位系数X_1、X_2和齿顶高系数h*_n.以保证一定的重合度、齿顶厚以及避免各种几何干涉为约束条件。
    In this paper, the main constraints for the designing of NN type of involute planetary gear transmission are discussed, a concise and practical method for determining the addendum modification coefficients is proposed and some appropriate parameters are provided.
    对NN型行星传动的主要限制条件进行了讨论,提供了一种简明实用的变位系数确定方法,推荐了参数选用值
    This paper proposes a design method for detemining the gear parameters(the tooth number, the addendum modification coefficient)of the planetary gear mechanisms with synchromesh variation of the mesh stiffness.
    提出啮合刚度同步变化行星齿轮机构齿轮参数(变位系数、齿数)的设计方法。
    This paper thinks that the amount of related slide ratio has directive effects on the wear quantity of the low velocity gear and selecting different addendum modification coefficients, modules and addendum coefficients can change the amount of related slide ratio by the theoretic analysis of related slide ratio by the theoretic analysis of related slide ratio for gear drive and the calculation of related slide ratio for several tooth shape parameters.
    本文通过对齿轮传动相关滑动率的理论分析和各种齿形参数相关滑动率的计算结果分析,认为相关滑动率的大小对低速齿轮磨损量有着直接的影响,而选择不同的齿轮变位系数、模数和齿顶高系数会改变相关滑动率的大小。
    This paper put forward the method of calculating the number over teeth and pin diameter on the great addendum modification gear,and gave the number over teeth and pin diameter caIculation formulas easy to use in the work with curve fitting method.
    文章提出了解决大变位齿轮跨齿数计算和量柱直径选取中存在问题的方法,给出了计算公式,用曲线拟会方法得出了便于使用的大变位齿轮跨齿数计算公式.
    With the aim of the practical production, the cold precision forging technology of spur gears are researched systematically for 15#, 45# and 20 CrMnTi steel. The two-step forming technology combined closed die-forging with constrained hole divided-flow is presented. The updated design method of teethshape die based on addendum modification theory is proposed.
    以实用化为目标,对15#、45#、20CrMnTi钢质直齿圆柱齿轮冷精锻工艺进行了系统研究,提出了闭式锻挤-约束孔分流两步成形实用化工艺方案和基于变位理论的齿形凹模修正设计方法。
    This paper introduces the principle of the HXB40 new type of epicyclic reduction gear unit in application to rotational sustainer of tower crane and discusses method in the optimization design of addendum modification coefficient of gear. \;
    主要介绍应用在塔式起重机回转支承中的HXB型行星齿轮减速机的研制 ,并探讨了齿轮变位系数的优化方法。
    The influences of teeth number (transmission ratio), module, addendum modification coefficient, center distance and so on are analyzed on the relative sliding ratio of each transmission type along the action line of. two gears.
    针对各种传动类型 ,分析了齿数、传动比、模数、变位系数及中心距等参数在啮合线上对相对滑动率的影响
    According to the characteristics in design of involute gear sharper cutter, this paper analyses the key parameters in design of the involute gear sharper cutter , such as how to select the coefficient of addendum modification and the number of teeth, and puts forward a practical method of involute gear sharper cutter CAD, namely involute gear sharper cutter CAD expert system, and stresses the indicative method of gear information, the organization and management of Knowledge Base .
    根据渐开线插齿刀设计的特点 ,分析了渐开线插齿刀设计的关键参数 ,即变位系数和齿数的合理选择 ,进而提出一种实用的渐开线插齿刀CAD的方法———渐开线插齿刀CAD专家系统的模式 ,并着重介绍了专家系统模式中的齿轮信息表示法和知识库的组织和管理。
    In addition, to avoid evaluate transcend equation,joggle angle is regarded as one of design variables instead of addendum modification coefficient. Example testify it feasible.
    为了避免解超越方程和减少计算量,不再以齿轮的变位系数为优化设计变量,以啮合角代之,提供求解问题的另一条思路,算例结果表明此观点的可行性。
 

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