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- Comprehensive function of varying contact length backup roll(VCR)is analyzed by using the finite element model for elastic deformation of rolls. 利用建立的有限元輥系彈性變形模型,分析了變接觸支持輥(VCR)的綜合性能。
- An iterative algorithm is advanced to work out contact length and vertical load and frictional force distribution in longitudinal direction. 采用迭代算法計算了印跡長(cháng)度及垂直載荷與摩擦力在縱向的分布。
- 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。
- Among available tire models, most are focused on the horizontal forces developed by varying sideslip angle under constant vertical load and contact length. 摘要以往的輪胎水平力學(xué)特性理論模型,都是在恒定垂直載荷和印跡長(cháng)度不變的前提下建立的。
- 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?
- contact length between the tool and chip 刀具切屑接觸長(cháng)度
- 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。
- Introduction Lift-out roll contacts with the glass ribbon immediately after being taken out from the tin bath to support and transfer the glass ribbon to the annealing lehr. 在浮法玻璃生產(chǎn)線(xiàn)上的提升輥、輸送輥與通過(guò)錫浴的玻璃板接觸,其輥面附著(zhù)熔融錫。
- 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。
- Chock the barrel up or else it will roll over. 用楔子塞住圓桶,不然它會(huì )滾過(guò)去。
- 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。
- The slow steady roll of the ship made him sick. 輪船不停地緩慢搖晃使他感到不適。
- Study on Tool-chip Close Contact Length in metal cutting 金屬切削加工中刀-屑緊密型接觸長(cháng)度的研究
- The desk calculator use a roll of paper. 這臺臺式計算機使用卷紙。
- 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。
- She is crazy about rock and roll. 她喜歡搖滾樂(lè )。
- 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。