自動(dòng)變速器換擋機(jī)構(gòu)的建模和結(jié)構(gòu)參數(shù)優(yōu)化

1、目次自動(dòng)變速器換擋機(jī)構(gòu)的建模和結(jié)構(gòu)參數(shù)優(yōu)化（摘要鏈接）. 1基于有限元的車門模態(tài)分析和優(yōu)化研究（摘要鏈接）. 2柴油機(jī)混合動(dòng)力總成硬件在環(huán)仿真系統(tǒng)硬件設(shè)計(jì)（摘要鏈接）. 3汽車離合器起步階段局部模糊控制研究（摘要鏈接）. 4基于 d-s 證據(jù)理論的汽車換擋品質(zhì)主觀評價(jià)方法（摘要鏈接） . 5汽車鋼板彈簧快速設(shè)計(jì)中相似度的計(jì)算方法（摘要鏈接）. 5汽車減振器活塞孔對常通節(jié)流孔面積設(shè)計(jì)的影響（摘要鏈接）. 6基于行人保護(hù)的發(fā)動(dòng)機(jī)罩鉸鏈研究（摘要鏈接）. 7新型車載油氣回收裝置設(shè)計(jì)（摘要鏈接）. 8設(shè)計(jì)交叉雙臂式升降系統(tǒng)應(yīng)注意的問題（摘要鏈接）. 9基于耐撞性能的白車身簡化模型建模研究（摘要鏈接）.

2、 10 在用車 asm 測試結(jié)果的分析研究（摘要鏈接）. 11 預(yù)置條件對汽油車工況法排放影響的試驗(yàn)研究（摘要鏈接）. 11 柴油機(jī)活塞環(huán)缸套摩擦學(xué)特性研究（摘要鏈接）. 12 汽車車身涂裝線節(jié)能關(guān)鍵技術(shù)（摘要鏈接）. 13自動(dòng)變速器換擋機(jī)構(gòu)的建模和結(jié)構(gòu)參數(shù)優(yōu)化郭孔輝1周曉暉1 王爽1 孫勝利1 孟丹2（1. 吉林大學(xué)汽車動(dòng)態(tài)模擬國家重點(diǎn)實(shí)驗(yàn)室；2. 泰利福（沈陽）汽車零部件制造有限公司）【摘要】針對某車型平臺在更換變速器過程中的換擋機(jī)構(gòu)參數(shù)設(shè)計(jì)問題，利用 adams/view 建立了自動(dòng)變速器換擋操縱機(jī)構(gòu)平面運(yùn)動(dòng)學(xué)模型，并將變速器換擋臂長度和初始位置以及變速器端換擋推拉索的球鉸點(diǎn)坐標(biāo)等關(guān)鍵結(jié)

3、構(gòu)變量參數(shù)化，取換擋操縱機(jī)構(gòu)設(shè)計(jì)更改時(shí)換擋手柄行程變動(dòng)最小作為目標(biāo)進(jìn)行優(yōu)化。和原平臺設(shè)計(jì)相比，優(yōu)化后的方案僅改變n、d兩個(gè)換擋手柄擋位就能滿足和新變速器換擋的匹配要求，并在實(shí)際車輛上得到成功使用。主題詞：自動(dòng)變速器換擋操縱機(jī)構(gòu)結(jié)構(gòu)參數(shù)優(yōu)化modeling and structure parameter optimization for the shifting system of automatic transmission guo konghui1, zhou xiaohui1,wang shuang1,sun shengli1,meng dan2(1. state key laborato

4、ry of vehicle dynamic simulation, jilin university;2. teleflex(shenyang) auto parts manufacture co., ltd) 【abstract】to meet the requirements in the upgrade design of automatic transmission system for a vehicle platform, a model is built for the shifting system of the vehicle in adams/view, the lengt

5、h and the start angle of the shift lever of the transmission as well as the position of the push-pull cable terminal ball joint coordinate areparameterized, and minimum change of shifter handle is taken as the optimization target. compared with the original shifter system, the optimized solution onl

6、y changed n and d positions of the handle to match with the new transmission, and is also applied successfully in real vehicle platform. key words：automatic transmission, shifting system, structure parameter, optimization 基于有限元的車門模態(tài)分析和優(yōu)化研究雷明準(zhǔn) 張豐利 王建楠 陳劍（合肥工業(yè)大學(xué)）【摘要】利用 patran 和nastran 軟件對車門進(jìn)行了有限元建模和模態(tài)

7、分析，得到了車門的固有頻率和振型。 車門的計(jì)算結(jié)果和試驗(yàn)結(jié)果對比分析表明，所建立的有限元模型較好的反映了原結(jié)構(gòu)的振動(dòng)特性；車門和整車存在相近頻率。 通過優(yōu)化車門上部分零件的厚度可避開相近頻率，為今后新車門開發(fā)打下了技術(shù)基礎(chǔ)。關(guān)鍵詞：車門, 模態(tài)分析 , 有限元 , 優(yōu)化modal analysis and study on optimization of car door based on finite element method lei mingzhun, zhang fengli ,wang jiannan,chen jian ( hefei university of technolo

8、gy) 【abstract】the finite element modeling and modal analysis for a car door are carried out by using software patran and nastran, and the inherent frequency as well as vibration types are also gained. the contrastive analysis of the car doors computed results and tests results shows that the finite

9、element model of car door well represents the vibration characteristics of the original structure; and the car door and complete vehicle have similar frequency. it is possible to avoid having similar frequency by optimizing the thickness of some parts on the car door, which provides a techincal basi

10、s for car door development in the future. key words: car door, modal analysis, finite element method, optimization 柴油機(jī)混合動(dòng)力總成硬件在環(huán)仿真系統(tǒng)硬件設(shè)計(jì)劉志 羌嘉曦陳自強(qiáng) 敖國強(qiáng) 楊林（上海交通大學(xué)）【摘要】介紹了一種新型集成硬件在環(huán)仿真系統(tǒng)，并利用該仿真系統(tǒng)進(jìn)行了柴油機(jī)動(dòng)力總成系統(tǒng)和混合動(dòng)力控制器的仿真試驗(yàn)。結(jié)果表明，該集成式硬件在環(huán)系統(tǒng)在集成了兩種硬件在環(huán)仿真系統(tǒng)功能的同時(shí)，還可以對仿真系統(tǒng)和仿真策略進(jìn)行優(yōu)化，可為柴油機(jī)動(dòng)力總成控制系統(tǒng)和混合動(dòng)力總成控制系統(tǒng)的前期開發(fā)提供

11、很好的仿真平臺。關(guān)鍵詞：柴油機(jī)混合動(dòng)力總成硬件在環(huán)仿真系統(tǒng)hardware design for hardware-in-the-loop simulation system of diesel hybrid powertain liu zhi qiang jiaxi chen ziqiang ao guoqiang yang lin (shanghai jiaotong university) 【abstract】an integrated hardware-in-the-loop simulation system was introduced in this paper, and die

12、sel powertrain and hybrid powertrain controller simulation tests were carried out on this system. the results indicate that this system not only integrated two kinds of functions for hardware-in-the-loop simulation system, but also optimized the simulation system and simulation strategy, which provi

13、de a better simulation platform for the advance development of diesel powertrain and hybrid powertrain control system. key words: diesel engine; hybrid powertrain; hardware-in-the-loop simulation system 汽車離合器起步階段局部模糊控制研究肖勇明 孫冬野 秦大同 杜亮（重慶大學(xué)機(jī)械傳動(dòng)國家重點(diǎn)實(shí)驗(yàn)室）【摘要】針對機(jī)械式自動(dòng)變速器(amt)的關(guān)鍵問題離合器起步控制，在模糊控制的基礎(chǔ)上提出局部模糊控制

14、策略，并建立了局部模糊控制規(guī)則。 通過計(jì)算機(jī)仿真、試驗(yàn)分析表明， 該控制策略能夠反映駕駛員起步意圖，使車輛迅速平穩(wěn)起步，可進(jìn)一步減少滑摩功； 同時(shí)可提高模糊控制性能， 增強(qiáng)離合器起步控制的實(shí)時(shí)性。關(guān)鍵詞：離合器起步模糊控制research on partial fuzzy control of car clutch in starting phase xiao yongming, sun dongye, qin datong, du liang (state key laboratory of mechanical transmission, chongqing university) 【ab

15、stract】aiming at the key problem for automated mechanical transmission (amt) - control of clutch in the starting phase, the partial fuzzy control strategy is proposed on the basis of fuzzy control, and the rule of partial fuzzy control is set up. through computer simulation and experimentation analy

16、sis, it was found that this strategy can reflect driver s starting intent, and enable the car start fast and smoothly, so as to further cut down sliding friction power;. meanwhile the performance of fuzzy control is improved and the real time performance of the control of clutch starting is also enh

17、anced. key words: clutch; starting; fuzzy control 基于 d-s 證據(jù)理論的汽車換擋品質(zhì)主觀評價(jià)方法陳剛張為公龔宗洋孫偉（東南大學(xué)）【摘要】針對汽車換擋品質(zhì)傳統(tǒng)主觀評價(jià)方法的不足，提出了一種基于d-s證據(jù)理論的換擋品質(zhì)評價(jià)方法。該方法利用人的感覺器官作為“儀器”，通過d-s證據(jù)理論對不同駕駛員給出的評價(jià)結(jié)果進(jìn)行數(shù)據(jù)融合，以實(shí)現(xiàn)群決策層次多人評價(jià)意見的證據(jù)合成。 試驗(yàn)結(jié)果表明， 該方法克服了傳統(tǒng)主觀評價(jià)方法的模糊和不確定性，得到的評價(jià)結(jié)果和實(shí)際情況一致，能準(zhǔn)確、可靠地評價(jià)換擋品質(zhì)。主題詞：汽車換擋品質(zhì)主觀評價(jià) d-s 證據(jù)理論subjective

18、evaluation method for automobile shift quality based on d-s evidence theory chen gang zhan weigong gong zongyang sun wei (southeast university) 【 abstract】aiming at the deficiency of traditional subjective evaluation methods for automobile shift quality, a new method for shift quality evaluation bas

19、ed on d-s evidence theory is proposed. people s sense organs are adopted as instrumentation in the proposed method and group decision making with evaluation results from various drivers is aggregated by means of d-s evidence theory. experimental results show that the proposed method can solve the am

20、biguity and uncertainty of traditional subjective evaluation methods and achieve accurate and credible automobile shift quality evaluation with its results in consistence with reality.,. key words: automobile, shift quality, evaluation, d-s evidence theory 汽車鋼板彈簧快速設(shè)計(jì)中相似度的計(jì)算方法何彬1,2 李剛炎1湯銀霞3 （1. 武漢理工大

21、學(xué)； 2. 黃石理工學(xué)院； 3. 東風(fēng)汽車懸架彈簧有限公司）【摘要】針對現(xiàn)有汽車鋼板彈簧在設(shè)計(jì)效率、資源利用率及設(shè)計(jì)精度等方面的不足，立足于產(chǎn)品設(shè)計(jì)特點(diǎn)和工程實(shí)際需求，提出一種基于相似工程的汽車鋼板彈簧快速設(shè)計(jì)中的相似度計(jì)算方法。 以某型輕型載貨車的前懸架鋼板彈簧設(shè)計(jì)為例進(jìn)行試驗(yàn)驗(yàn)證， 結(jié)果表明，利用所提出的設(shè)計(jì)計(jì)算方法得出的設(shè)計(jì)結(jié)果完全符合使用要求，證明了該方法的可行性。主題詞：鋼板彈簧，快速設(shè)計(jì)，相似工程，相似度a method of calculating similarity in rapid design of vehicle leaf-spring he bin1, 2li gan

22、gyan1tang yinxia (1. wuhan university of technology; 2. huangshi institute of technology) 【abstract】considering the current deficiencies of design efficiency, resource reuse and design accuracy of vehicle leaf-spring, a method of similarity calculation in rapid design for vehicle leaf-spring with si

23、milarity engineering is presented based on product design features and specific engineering requirements. the design of front suspension leaf spring on a light-duty truck is taken as an example to testify this method, and the results show that the design with proposed calculation method is totally c

24、omplied with the use requirements, and this method is feasible. key words: leaf-spring, rapid design, similarity engineering, similarity 汽車減振器活塞孔對常通節(jié)流孔面積設(shè)計(jì)的影響劉瑞軍周長城趙以強(qiáng)( 山東理工大學(xué) ) 【摘要】對減振器油液沿程和局部節(jié)流損失進(jìn)行了分析，建立了基于速度特性的減振器常通節(jié)流孔面積曲線擬合優(yōu)化設(shè)計(jì)方法，利用該方法對活塞孔的影響進(jìn)行了研究。對常通節(jié)流孔面積進(jìn)行實(shí)例優(yōu)化設(shè)計(jì)，分別對活塞孔直徑和個(gè)數(shù)的影響及變化規(guī)律進(jìn)行了分析， 并對不同活

25、塞孔減振器進(jìn)行了特性試驗(yàn)。 結(jié)果表明，基于速度特性的常通節(jié)流孔面積優(yōu)化設(shè)計(jì)方法及活塞孔的影響分析具有實(shí)際指導(dǎo)價(jià)值。關(guān)鍵詞：筒式減振器常通節(jié)流孔流通面積活塞孔influence of piston holes on design of throttle holes area for shock absorberliu ruijun, zhou changcheng ，zhao yiqiang (shandong university of technology) 【abstract】 the optimized design method for throttle holes area curv

26、e fit was established based on velocity characteristic after analyzing the flowing course and local throttle pressure loss of shock absorber oil, ,and the influence on piston holes were studied with this method in the paper. a practical design example of throttle holes area was optimized, the influe

27、nce and changing rule of piston holes diameter and quantities were analyzed, and the performance tests of shock absorber with different piston holes were carried out. the results show that the design methods of throttle holes area and the effect analysis of piston holes based on velocity characteris

28、tics are of practical guiding significance. key words:telescopic shock absorber，throttle holes ，flow area，piston holes 基于行人保護(hù)的發(fā)動(dòng)機(jī)罩鉸鏈研究葛如海吳淼陳曉東車彬彬（江蘇大學(xué)）【摘要】針對發(fā)動(dòng)機(jī)罩鉸鏈區(qū)域?qū)M足行人頭部保護(hù)要求存在的不足，設(shè)計(jì)了一種新式壓潰式鉸鏈。 采用 hypermesh軟件建立了該鉸鏈的有限元模型，并進(jìn)行了試驗(yàn)驗(yàn)證。使用有限元軟件 nastran 對原始鉸鏈和新鉸鏈進(jìn)行靜強(qiáng)度仿真比較可知，新式壓潰式鉸鏈的橫向強(qiáng)度更好。按照歐洲行人保護(hù)法規(guī)使用有限元軟

29、件 ls-dyna 對新鉸鏈和原鉸鏈進(jìn)行行人保護(hù)性能仿真比較可知，使用壓潰式鉸鏈?zhǔn)剐腥说念^部傷害值hic 由原來的 1420 下降到了 940，表明壓潰式鉸鏈在橫向強(qiáng)度提高的基礎(chǔ)上具有更好的行人頭部保護(hù)性能。關(guān)鍵詞：行人頭部保護(hù)發(fā)動(dòng)機(jī)罩鉸鏈碰撞有限元study on engine hood hinge based on pedestrian protection ge ruhai, wu miao, cheng xiaodong, che binbin （ jiangsu university ）【abstract】 aiming at the deficiency of engine hoo

30、d hinge area to fulfill the requirements of pedestrian head protection, a new type collapsible hinge is designed in this article. the fea model of the new hinge is established on software hypermesh and is validated by tests. it is found that the new hinge has stronger horizontal strength by simulati

31、on and comparison of static strength for new hinge and original one on software nastran. according to specifications set forth in european pedestrian protection law, software ls-dyna is used to simulate and compare the performances of new hinge and original one in terms of pedestrian protection and

32、it is found that the hic drops to 940 from 1420 when the collapsible hinge is used, which indicates the collapsible hinge has stronger horizontal strength and better pefromacne of pedestrians head protection.key words：pedestrian head protection; engine hood hinge; collision; finite eelement 新型車載油氣回收

33、裝置設(shè)計(jì)韋海燕1,2 何仁1 蔡錦榕1(1. 江蘇大學(xué)； 2. 廣西大學(xué) ) 【摘要】針對某液封式車載油氣回收裝置(orvr) 存在的缺陷進(jìn)行了分析， 提出了新型 orvr 的技術(shù)方案， 并設(shè)計(jì)了新型 orvr 。試驗(yàn)結(jié)果表明， 新型over 加油槍可自動(dòng)關(guān)閉而不受油氣壓力變化的影響，在加滿油前不會(huì)出現(xiàn)提前停噴的現(xiàn)象，且油氣壓力的升高比較平緩， 加油管內(nèi)的燃油不會(huì)反濺向加油者；采用新型 orvr后汽車的加油排放量相對減少，加油排放的控制更加安全可靠。關(guān)鍵詞：車載油氣回收裝置設(shè)計(jì) 排放design of new orvr system for gasoline vehicle wei haiya

34、n1,2he ren1cai jinrong1(1. jiangsu university; 2. guangxi university) 【abstract】 based on the analysis of the defects for a liquid-seal orvr, the new orvr is designed with newly proposed technical scheme the test results show that the new type filling gun can turn off automatically, not affected by

35、the changes of oil-gas pressure, and not stop filling before tank is full with a smooth increase of oil-gas pressure, which will not cause oil inside filling pipe to splash over working staff; the refueling emissions are reduced correspondingly after applying this new type of orvr system and the con

36、trol of refueling emissions becomes more safer and reliable. key words: orvr; design; emission 設(shè)計(jì)交叉雙臂式升降系統(tǒng)應(yīng)注意的問題包壽紅（浙江豪情汽車制造有限公司）【摘要】以某公司一段時(shí)間內(nèi)的交叉雙臂式升降器故障統(tǒng)計(jì)數(shù)據(jù)為例，通過對交叉雙臂式升降器運(yùn)動(dòng)特性的分析研究，闡述了用該種升降器設(shè)計(jì)升降系統(tǒng)時(shí)后方固定架、玻璃內(nèi)密封條、玻璃導(dǎo)槽、后玻璃隔板泥槽、后方固定架和水平方向的夾角和玻璃升降導(dǎo)軌等對系統(tǒng)產(chǎn)生的影響。通過改進(jìn)前、后的對比測試表明，改進(jìn)后的升降系統(tǒng)在從動(dòng)臂變形、泥槽破裂等方面有明顯改善， 解決了

37、玻璃升降器從動(dòng)臂變形和后方固定架變形的問題。主題詞：交叉雙臂式升降器結(jié)構(gòu)改進(jìn)points for attention in designing double-arm crossed lifting system bao shouhong(zhejiang haoqing automobile manufacturing co., ltd.) 【abstract】 based on the statistical data of troubles and the kinematical characteristics analysis for the double-arm crossed lif

38、ter in a company, the effects of rear fix bracket, glass inner sealing strip, glass guide slot, rear glass mud slot, angle between rear fix bracket and horizontal direction, glass lifting guide rail etc on the lifting system during design process are discussed. the comparison tests before and after

39、improvement show that the modified lifting system has obvious improvement in terms of deformation of driven lever and fracture of mud slot etc, which solves the problems of driven lever and rear fix bracket deformations. key words: double-arm crossed lifter, structure, modification 基于耐撞性能的白車身簡化模型建模研

40、究李楠1高衛(wèi)民1,2戴軼2 （1. 同濟(jì)大學(xué)； 2. 上海汽車股份有限公司技術(shù)中心）【摘要】以白車身前縱梁為例， 基于白車身的耐撞性能對設(shè)計(jì)初期簡化模型的建模進(jìn)行了研究。引入神經(jīng)網(wǎng)絡(luò)技術(shù)實(shí)現(xiàn)了白車身耐撞性能參數(shù)和梁單元特性參數(shù)的非線性映射， 通過提取和儲(chǔ)存梁單元的特性參數(shù)，實(shí)現(xiàn)了梁單元模型對傳統(tǒng)殼單元有限元模型的等效替代和模型優(yōu)化。研究表明，通過神經(jīng)網(wǎng)絡(luò)技術(shù)得到的梁單元模型能夠準(zhǔn)確體現(xiàn)白車身的正碰特性參數(shù)，可在概念設(shè)計(jì)階段對車身耐撞性進(jìn)行有效預(yù)測。關(guān)鍵詞：白車身碰撞神經(jīng)網(wǎng)絡(luò)梁單元建模research on simplified biw model base on vehicle crashwo

41、rthiness li nan1, gao weimin1,2, dai yi2(1.tongji university; 2. saic motor r&d center.) 【abstract】biw front side rail is taken as an example to study modeling of the simplified biw model at design initial phase base on vehicle crashworthiness. the non-linear imaging of biw crashworthiness param

42、eters and beam element characteristic parameters is implemented by using neural network technology, and through extracting and saving characteristic parameters of beam element, the equivalent replacement and model optimization are achieved between beam element and conventional shell element models.

43、the analysis shows that the optimized beam element model can accurately capture the frontal crash characteristics of biw, and predict the vehicle body-in-white crash performance in concept design stage. key words: biw; crash; neural network; beam eelement; modeling 在用車 asm 測試結(jié)果的分析研究劉平李人憲( 西南交通大學(xué) ) 【

44、摘要】基于 asm 的測試方法建立了測試數(shù)據(jù)庫，并以數(shù)據(jù)庫的數(shù)據(jù)為基礎(chǔ)，研究了速度波動(dòng)對排放測量結(jié)果的影響， 討論了公差帶寬和司機(jī)助顯示模式和車輛技術(shù)狀況的關(guān)系，并對asm 各工況段排放不合格率的規(guī)律進(jìn)行了分析. 基于分析結(jié)果對 asm 測試提出了改進(jìn)建議。主題詞 : 排放 asm 測試車速波動(dòng)analysis and study of asm measurement results for in-use gasoline vehicle liu ping li renxian (southwest jiaotong university) 【abstract】the testing data

45、base is founded based on asm method and its data is used to study the effects of speed fluctuation on emission results, to discuss the relation between tolerance range, driver display mode and vehicle technical status, and to analyze the rule of unqualified emission rate in different asm stages. fin

46、ally the improvement proposal to asm test is presented based on the analysis results. key words：emission; asm test; speed fluctuation 預(yù)置條件對汽油車工況法排放影響的試驗(yàn)研究閔照源 金松濤劉劍( 重慶車輛檢測研究院國家客車質(zhì)量監(jiān)督檢驗(yàn)中心) 【摘要】根據(jù) gb18352.3-2005 的規(guī)定，在不同預(yù)置條件下對同一輛樣車進(jìn)行型排放試驗(yàn)。 分析了預(yù)置條件的變化對樣車排放測試結(jié)果的影響，指出造成測試結(jié)果波動(dòng)的主要原因是起動(dòng)瞬間的空燃比在不同機(jī)油溫度下發(fā)生了變化，預(yù)置

47、溫度越高，起動(dòng)時(shí)的空燃比越高，co和 hc排放量會(huì)越低。指出在車輛標(biāo)定時(shí)要控制好起動(dòng)空燃比，在試驗(yàn)過程中要嚴(yán)格控制預(yù)置溫度和時(shí)間。主題詞：汽油車排放預(yù)置條件test and study on influence of preset condition on gasoline vehicle emission min zhaoyuan, jin songtao, liu jian (national coach quality inspection and test center, chongqing vehicle test and research institute) 【abstract】

48、according to gb18352.3-2005, type i emission test is done on a vehicle under different preset conditions. after analyzing the influence of preset condition changes on vehicle emission, the main reason for the fluctuation of test results is pointed out: air-fuel ratio changes with engine oil temperat

49、ure at the moment of starting-up, the higher the preset temperature is, the higher air-fuel ratio becomes at the moment of starting-up, and the lower the co and hc emission would be. it also indicates that starting-up air-fuel ratio should be under proper control during calibration, and the preset t

50、emperature as well as time should also be controlled strictly in the process of tests. key words: gasoline vehicle; emission; preset condition 柴油機(jī)活塞環(huán)缸套摩擦學(xué)特性研究鹿云( 中國第一汽車集團(tuán)公司技術(shù)中心) 【摘要】利用 cetr 摩擦磨損試驗(yàn)機(jī)測試分析了柴油機(jī)常用的4 種表面功能層活塞環(huán)和 4 種合金鑄鐵材料缸套摩擦副的摩擦因數(shù)和磨損系數(shù)，結(jié)合摩擦界面形貌和成分分析，初步確定了不同活塞環(huán)- 缸套摩擦副的磨損機(jī)制。研究結(jié)果表明，陶瓷復(fù)合鍍層活塞環(huán)-

51、缸套摩擦副具有穩(wěn)定和優(yōu)良的摩擦學(xué)特性，耐磨性大幅度提高；鍍鉻環(huán) -缸套摩擦副物理化學(xué)性質(zhì)穩(wěn)定，但摩擦因數(shù)和磨損系數(shù)高；噴鉬環(huán) - 缸套摩擦副物理化學(xué)性質(zhì)不穩(wěn)定，出現(xiàn)鉬顆粒剝落和形成表面復(fù)合膜等現(xiàn)象，摩擦因數(shù)曲線出現(xiàn)拐點(diǎn)，缸套和活塞環(huán)都具有最大的磨損系數(shù)。主題詞：活塞環(huán)缸套摩擦因數(shù)磨損系數(shù)study on tribology property of cylinder liner piston ring for diesel engine lu yun (faw group corporation r&d center) 【abstract】the friction factor and

52、wear coefficient of friction pairs between four types of piston rings and four kinds of casting iron cylinder liners are analyzed by using tester cetr, and the wear mechanism of different friction pairs between piston rings and cylinder liners are discussed based on the interface shape and compositional analysis. the research results indicate that t