锻压技术

锻压安全防护装置的强制断开开关磨损特性

英文标题：Wear characteristics of forced disconnecting switch on forging safety protection device

作者：尚飞谭心方桂花

单位：内蒙古科技大学

分类号：TG376.2

出版年,卷(期):页码：2021,46(10):180-186

摘要：

根据强制断开开关的结构特点、工作特性以及性能要求确定临界结构曲线的数学表达式，并将其作为模型参数建立了有限元模型，对强制断开开关的整个动作过程进行仿真，根据动作阶段不同的接触特性将完整动作过程分为两个阶段:第1阶段，分析位于凹面接触时不同转角对接触状态以及应力分布的影响；第2阶段，分析位于基圆处接触时不同服役阶段应力分布特点。将分析结果应用于Archard模型中计算对应结构的磨损量，同时分析了磨损量对过程参量的影响，并以一组实例进行迭代计算以说明其磨损特性，并根据计算结果对临界结构曲线进行优化改进，保证强制断开开关可满足使用寿命要求。

The mathematical expression of critical structure curve was determined according to the structural characteristics, working characteristics and performance requirements of forced disconnecting switch, and the finite element model was established by taking it as a model parameter to simulate the entire action process of the forced disconnecting switch. Then, the complete action process was divided into two stages according to different contact characteristics of the action stage. The first stage analyzed the influence of different rotation angles on contact state and stress distribution when the concave surface was in contact. The second stage analyzed the stress distribution characteristics of different service stages when the contact was on the base circle. And the analysis results were applied to Archard model to calculate the wear amount of corresponding structures and analyzed the influence of wear amount on process parameters. Furthermore, the wear characteristics were illustrated by a set of examples to perform iterative calculations, and the critical structure curve was improved according to the calculation results to ensure that the forced disconnecting switch can meet the service life requirements.

基金项目：

国家重点研发计划(2017YFF0207200)

作者简介：尚飞（1988-），男，博士，讲师 E-mail:sf2006041215@163.com 通信作者：谭心（1974-），女，硕士研究生，教授 E-mail：heart_tan@126.com

参考文献：

[1]刘天腾, 任杰,居里锴，等.液压机虚拟现实安全防护系统研究[J].机械与电子,2017,35(11):17-21.

Liu T T, Ren J, Ju L K, et al. Research on virtual reality safety protection system of hydraulic press [J]. Machinery & Electronics, 2017, 35(11):17-21.

[2]Wang Q Z, Jin X X, Ding Y S，et al. Friction and wear performance of CrSiBCN coatings sliding against ceramic and metal counterparts in sea water[J]. Surface Engineering, 2021, 37(6): 722-731.

[3]Park D，Kolivand M，Kahraman A. Prediction of surface wear of hypoid gears using a semi-analytical contact model[J]. Mechanism and Machine Theory，2012，52：180-194.

[4]Anders B-J Hugnell，Stefan Bjklund，Sren Andersson．Simulation of the mild wear in cam-follower contact with follower rotation[J].Wear，1996，199（2）：202-210.

[5]何伟，董万鹏，孙礼宾，等. 基于响应面法的齿轮轴模具磨损目标参数优化[J]. 锻压技术，2020,45(9):166-170.

He W，Dong W P，Sun L B，et al. Optimization on wear target parameters for gear shaft mold based on response surface method [J]. Forging & Stamping Technology，2020,45(9): 166-170.

[6]李中阳, 庞新宇, 闫宗庆,等.滚滑运动导致的滚动轴承磨损特性研究[J].机械传动, 2021, 45(5):10-17.

Li Z Y, Pang X Y, Yan Z Q, et al．Study on wear characteristic of rolling bearing caused by rolling-sliding motion[J]. Journal of Mechanical Transmission，2021, 45(5):10-17.

[7]李聪波, 何娇,杜彦斌,等.基于Archard模型的机床导轨磨损模型及有限元分析[J].机械工程学报,2016,52(15):106-113.

Li C B, He J, Du Y B, et al．Archard model based machine tool wear model and finite element analysis [J]. Journal of Mechanical Engineering, 2016, 52(15):106-113.

[8]Shen X J，Liu Y F. Numerical simulation of sliding wear for self-lubricating spherical plain bearings[J].Journal of Materials Research and Technology，2012，1(1)：8-12.

[9]钟流发, 刘祚时,高秀琴,等.基于修正Archard模型的45钢感应淬火后磨损量计算与验证[J].锻压技术,2020,45(10):203-208.

Zhong L F， Liu Z S， Gao X Q，et al.Wear amount calculation and verification of 45 steel after induction quenching based on modified Archard model [J]. Forging ＆ Stamping Technology，2020，45(10):203-208.

[10]陆元三, 李颖颖,王培安.基于Archard理论对变速叉预锻凹模寿命分析[J].锻压技术,2020,45(8):164-169.

Lu Y S，Li Y Y，Wang P A. Life analysis on pre-forging die for shifting fork based on Archard theory [J]. Forging ＆ Stamping Technology，2020,45(8):164-169.

[11]唐琴, 章易程,林晨岚,等.基于摩擦功原理的凸轮-挺柱磨损的动态仿真[J].机械设计,2015,32(4):9-13.

Tang Q, Zhang Y C, Lin C L, et al．Dynamic wear simulation of cam-tappet based on friction-work principle [J]. Journal of Machine Design,2015,32(4):9-13.

[12]张亦鑫. 柴油机配气凸轮/挺柱副接触磨损与摩擦特性研究[D].北京：北京理工大学,2017.

Zhang Y X. Research on Contact Wear and Friction Characteristics of Cam/Tappet Pair in Valve Trains of Diesel Engine [D]. Beijing：Beijing Institute of Technology, 2017.

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