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- Rolling Contact Fatigue of Rails: What Remains to be Done? 鋼軌滾動(dòng)接觸疲勞的進(jìn)一步研究?
- These materials are suitable for fabrication of the cage of rolling contact bearings. 這些材料適宜于制造滾動(dòng)軸承的保持架。
- The surface spalling and fatigue failure may occur after a long time of service, during wheel-rail rolling contact. 摘要鋼軌鋼的接觸疲勞一直為鐵路運輸部門(mén)和研究機構所重視。
- But the study on the rolling contact fatigue failure mechanism of super hard material coati-ngs is in grope. 但是目前對于超硬涂層材料滾動(dòng)接觸疲勞失效機理的研究還處于探索之中。
- Base on the elasticity contact and deformation theory, study the contact load and deformation of the pin and the link chain. 運用彈性接觸和變形協(xié)調理論,研究銷(xiāo)與接鏈環(huán)的接觸受力及其形變。
- The contact geometry parameters and rigid creepages of wheelset and track in rolling contact are analyzed. 分析計算了錐型踏面輪對沿軌道滾動(dòng)接觸時(shí)輪軌接觸幾何參數和不同運動(dòng)狀態(tài)下的輪軌之間的剛性蠕滑率。
- Improved osculation conditions and additional profiles further optimise the rolling contact. 改進(jìn)osculation條件和額外的設定檔進(jìn)一步優(yōu)化的滾動(dòng)接觸。
- But some assumptions made in his theories are not always in accordance with the conditions of real W/R rolling contact. 但他的理論研究的許多前提條件與實(shí)際輪軌滾動(dòng)接觸問(wèn)題有一定的差異。
- Braat, G. F.M.,“Theory and Experiments on Multi-Layered,Viscoelastic Cylinders in Rolling Contact”,Technische Universiteit Delft, Phd Thesis,1993. 紀偉翔，新型分紙機構設計與分析，國立清華大學(xué)動(dòng)力機械工程研究所碩士論文，民89。
- Design of data measurement and control system was introduced for bearing balls rolling contact fatigue(RCF) life test rig. 介紹了疲勞試驗機數據測量系統和控制系統的設計,主要闡述了數據采集方法和控制過(guò)程。
- Surface defects in ceramic bearing balls may significantly affect ball strength and reduce rolling contact fatigue lifetime. 陶瓷軸承球的表面缺陷會(huì )嚴重降低球的強度和滾動(dòng)接觸疲勞壽命。
- When the peak stress is same, the absorbed energy of material under the repeated impact contact load is more than under the static fatigue load. And absorbability is in inverse proportion with the distance from the impact point. 當峰值應力相同時(shí),材料在多沖接觸載荷下比靜載荷和靜疲勞載荷下吸收的能量多,且吸收量與離沖擊點(diǎn)的距離成反比。
- In the light of such a comparison, their advantages and disadvantages in the applications of W/R rolling contact are anew evaluated. 從理論和實(shí)際應用方面重新評價(jià)了它們在輪軌力計算分析方面的優(yōu)缺點(diǎn)。
- One of the principal advantages of antifriction (rolling contact) bearings is the almost complete elimination of friction. 減摩軸承（滾動(dòng)軸承）的一個(gè)首要優(yōu)勢在于幾乎完全排除了摩擦阻力。
- The contact geometry, creepages and friction work of wheelset/track with two type profiles in rolling contact are investigated with numerical methods. 采用數值分析方法詳細分析了2種型面輪對與軌道在滾動(dòng)接觸過(guò)程中的接觸幾何、蠕滑率和摩擦功。
- For different contact loads and roll to slide ratios,the influence of the indented surface on the oil filmpressure distrbution and film profile during the dent trav elling through the lubricated contact region is studied. 研究了表面凹坑在不同接觸載荷和滾滑率的情況下，通過(guò)彈流潤滑區時(shí)對油膜壓力和形狀產(chǎn)生的干擾現象。 根據對微彈流潤滑特征分析發(fā)現，只有在表面存在相對滑動(dòng)的條件下，進(jìn)入彈流接觸區的表面凹坑才隨接觸載荷的增加被逐漸地壓平變淺；
- The application results show that the distribution of roll contact pressure was meliorated, and the life of the backup roll was improved. 結果表明，優(yōu)化后的輥型曲線(xiàn)改善了輥間壓力的分布情況，降低了軋制末期工作輥邊部對支撐輥的磨損，提高了支撐輥軋制質(zhì)量。
- A rolling contact theory is a base of the study on the performances of wheel/rail (W/R), such as rolling contact fatigue, corrugation, W/R noise and derailment. 輪軌蠕滑理論的研究不僅為車(chē)輛動(dòng)力學(xué)、軌道動(dòng)力學(xué)的數值仿真提供了輪軌力計算模型，而且是輪軌關(guān)系研究的基礎。
- This paper introduced the methods of inducing the life of the SWP320 plastic cracker mainshaft bearings and rolling contact bearing s lubrication and seal. 本文介紹了提高SWP320塑料破碎機主軸軸承壽命的措施以及相應的滾動(dòng)軸承的潤滑和密封。
- G.F.M. Braat , ”Theory and experiments on multi-layered, viscoelastic cylinders in rolling contact”, Phd Thesis, Technische Universiteit Delft, June,1993. 邱仕文，”以黏著(zhù)遲滯摩擦理論應用有限元素法分析傳真機自動(dòng)資料進(jìn)給機構”，碩士論文，中央大學(xué)機械系，1993。
