旋转机械轴系装配体位置公差预测方法与优化研究

doi:10.3969/j.issn.1000-1093.2018.12.002

兵工学报 ›› 2018, Vol. 39 ›› Issue (12): 2298-2305.doi: 10.3969/j.issn.1000-1093.2018.12.002

旋转机械轴系装配体位置公差预测方法与优化研究

闫清东^1,2，陈修齐¹，魏巍^1,2，黄静秋³，杨啟福³

(1.北京理工大学车辆传动国家重点实验室，北京 100081；2.北京电动车辆协同创新中心，北京 100081；3.江麓机电集团有限公司，湖南湘潭 411100)

收稿日期:2018-04-11 修回日期:2018-04-11 上线日期:2019-01-31
作者简介:闫清东(1964—)，男，教授，博士生导师。 E-mail: yqd@gmail.com
基金资助:
国家自然科学基金面上项目(51475041); 国家部委基础产品创新科研基金项目(VTDP-2104)

Prediction and Optimization of Round Beam Gear Position Tolerance for Rotating Machinery Assembly Using Boundary Circle Method

YAN Qing-dong^1,2， CHEN Xiu-qi¹， WEI Wei^1,2， HUANG Jing-qiu³， YANG Qi-fu³

(1.National Key Labatory of Vehicular Transmission, Beijing Institute of Technology, Beijing 100081, China; 2.Collaborative Innovation Center of Electric Vehicles in Beijing, Beijing 100081, China; 3.Jianglu Machinery & Electronics Group Co., Ltd., Xiangtan 411100, Hunan, China）

Received:2018-04-11 Revised:2018-04-11 Online:2019-01-31

摘要/Abstract

摘要： 以多配合面轴系装配体为研究对象，分析多种类型误差耦合传递机制及其尺寸公差的优化设计问题。采用蒙特卡洛方法模拟组成环实测尺寸，获得径向圆跳动公差均值及其分布规律；提出一种变动边界圆径向圆跳动预测方法，建立包含同轴度和轴孔配合公差的综合累计误差模型。将该预测方法扩展到复杂装配体的装配误差建模中，实现了径向圆跳动公差在设计阶段的预测。以装配体末端累积径向圆跳动值为目标，平均装配精度、装配可靠度和加工成本为约束，进行系统结构及其零件公差的优化设计。以某型液力变矩器设计为例，验证了该预测方法预测轴系累积径向圆跳动公差的可行性和实用性。

关键词: 轴系装配体, 旋转机械, 径向圆跳动, 液力变矩器, 传递机制, 位置公差预测

Abstract: The various types of error coupling transmission mechanisms and the dimensional tolerance optimization design of multi-faceted shafting assembly are analyzed by taking the multi-faceted shafting assembly as the research object. Monte Carlo method is used to simulate the measured size of assemly ring, and the mean value of radial run-out tolerance and its distribution law are obtained. A prediction method for the radial circle run-out of variable boundary circle is proposed, and the integrated cumulative error including the coaxiality and the matching tolerance of shaft hole is established. This method is extended to the assembly error modeling of complex assembly to realize the prediction of the radial run-out tolerance in the design. With the goal of accumulating the radial runout at the end of the assembly, the average assembly accuracy, assembly reliability, and processing cost are set as constraints, and the optimization of system structure and its component tolerances is performed. Taking the design of a certain type of torque converter as an example, the feasibility and practicability of this method for predicting the cumulative radial run-out tolerance of the shaft system are verified. Key

Key words: shaftingassembly, rotatingmachinery, radialcirclebeating, hydraulictorqueconverter, deliverymechanism, positiontoleranceprediction

中图分类号:

TJ810.3⁺22

闫清东，陈修齐，魏巍，黄静秋，杨啟福. 旋转机械轴系装配体位置公差预测方法与优化研究[J]. 兵工学报, 2018, 39(12): 2298-2305.

YAN Qing-dong， CHEN Xiu-qi， WEI Wei， HUANG Jing-qiu， YANG Qi-fu. Prediction and Optimization of Round Beam Gear Position Tolerance for Rotating Machinery Assembly Using Boundary Circle Method[J]. Acta Armamentarii, 2018, 39(12): 2298-2305.

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第39卷第12期
2018 年12月兵工学报ACTA
ARMAMENTARIIVol.39No.12Dec. 2018

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旋转机械轴系装配体位置公差预测方法与优化研究

Prediction and Optimization of Round Beam Gear Position Tolerance for Rotating Machinery Assembly Using Boundary Circle Method

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