contact wheel 中文意思是什麼

contact wheel 解釋
滾極
  • contact : n 1 接觸；聯系；交涉。2 〈美國〉（有勢力的）熟人；門路。3 【數學】相切；【電學】接觸；觸頭；觸點...
  • wheel : n 1 輪，車輪；輪狀物。2 〈口語〉腳踏車；【造船】艙輪；（汽車的）方向盤，駕駛盤；（制陶）轉盤；紡...
  1. According to different research objectives, four kinds of vehicle dynamic models ( named from model a to model d ) and two types of train dynamic models ( model e and model f ) are established in this thesis. during the modeling process of the vehicle and train systems, nonlinearities arising from wheel / rail contact geometry, wheel / rail interactive forces and suspension characteristics are fully considered. the modeling methods about vestibule diaphragm, coupler and draft gear are introduced, too

    本文按照研究目的的不同，建立了4種車輛動力學模型（模型a模型d ）和2種列車動力學模型（模型e和模型f ） ，建模過程中盡可能多地考慮了列車（車輛）系統中的各種非線性因素，詳細給出了風擋裝置、車鉤及緩沖器的具體建模方法。
  2. Many engineering pairs such as the wheel-and-rail combination described in section 8. 2. 1 generate elliptical contact areas.

    工程上的許多運動組合，諸如821節中所描述的車輪與鋼軌組合，都產生橢圓接觸面。
  3. Abstract : three - dimension wheel - rail contact geometry is taken into account in studying the vibration between bridge and vehicle. the iteration method of wheel - rail creep force is proposed to improve the existed calculating method

    文摘:對車橋耦合振動研究中輪軌關系的線性方法進行了改進，提出考慮三維非線性輪軌接觸幾何，採用迭代法求解法向力和蠕滑系數。
  4. Bearings roller bearings and other components. bearing ring precision rolling production line ; a high - precision, super efficient grinding automatic production line ; bearing assembly line ; signal processing equipment ; blank processing equipment ; crowning roller grinder ; end - grinder ; coordinate precision grinder ;, cylindrical grinder ; surface grinder ; spherical roller processing equipment ; raceway grinder ; heat treatment ; needle processing equipment ; polishing processing equipment ; roller - seiki ; rolling auto - sorting machine parts bearing hardness sorting machine bearing cleaning equipment ; contact angle measuring instrument ; contour meter ; bearing life experimental device ; bearing packaging equipment ; roundness instrument ; dynamic vibration noise analyzer ; noise vibration test equipment ; printing machine measuring instrument ; roughness tester ; scanning electron microscope ; finish detector ; inverter ; spindle, wheel, whetstone and other grinding materials

    軸承套圈精密輾擴生產線高精高效磨超自動生產線軸承自動裝配線球加工設備毛坯加工設備凸度滾子磨床雙端面磨床高精度坐標磨床內外圓磨床平面磨床球面滾子加工設備溝道磨床熱處理生產滾針加工設備光飾加工設備滾道超精機滾動體自動分選機軸承零件硬度選別機軸承清洗設備角接觸測量儀輪廓測量儀軸承壽命實驗裝置軸承包裝設備圓度儀振動噪音動態分析儀振動噪音測試裝置印字機加工測量儀粗糙度測試儀掃描電子顯微鏡光潔度檢測儀變頻器電主軸砂輪油石和其他研磨材料
  5. 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和研究機構所重視。
  6. In this paper, wheel - rail rolling contact creepages and creeps of independently rotating wheel are analyzed, the effects of lateral and yaw motions of independently rotating wheel, and the curve radius to creepages of wheel - rail rolling contact are emphasisatically researched. 4

    論文對獨立旋轉車輪的輪軌滾動接觸蠕滑率/力進行了分析，研究了輪對橫移和搖頭運動以及曲線半徑對獨立旋轉車輪輪軌蠕滑率的影響情況。
  7. When we do so we cannot get the detail distribution of system ' s stress and we are difficult to improve the structure as our wishes. wheel / rail system analyze is a typical elasticity contact problem, so we can use fem to analyse this system effectually. in this paper we used fem contact method analysed the system from engine kinetics standpoint

    作為一種典型的接觸問題，車輪軌道系統分析同時也屬于機車動力的研究范疇，本文從機車動力學入手，對起重機車輪軌道的接觸狀態進行了動力學分析，在此基礎上利用有限元接觸問題的分析方法對起重機車輪軌道系統的接觸應力進行了不同狀態下的計算模擬。
  8. The study on non - contact and automatical measuring system for measurement of wheelset geometric parameters is very important, which can not only help to improve the quality of wheelset test, to increase the development of digital - railway, but also can give much information on studying wheel - rail geometric contract

    輪對幾何參數的非接觸自動測量，可以提高車輛段輪對檢修的質量，有助於實現數字化鐵路的目標，而且可為研究輪軌接觸幾何關系提供重要的數據。因此，對輪對自動測量系統的研究，具有重要意義。
  9. After designing oil ditches on the surface of its arc - block, increase friction factor and make sure self - lock which solves above problem. do qualitative analysis to lower pair and one - way overrunning clutch and inner star - wheel - roller overrunning clutch by using self - made lever loader. the experiment shows : on the same condition, the deformation of new overrunning clutch ’ s surface contact with lower pair is smaller than the deformation of roller overrunning clutch ’ s line contact with higher pair and new overrunning clutch ’ s skid angle is smaller

    對低副單向超越離合器的部件進行了加工製造，在超越離合器弧塊表面創新設計加工排油溝，增大摩擦系數，保證實現自鎖，解決了很多離合器工作過程中容易出現無法自鎖的問題;對低副單向超越離合器和內星輪滾柱超越離合器用自製杠桿加載器做了定性分析，實驗表明:相同條件下，新型離合器低副面接觸比滾柱離合器高副線接觸變形小、溜滑角小。
  10. The characteristics of wheel - rail rolling contact fatigue and causes of induced fatigue were reviewed

    輪軌經過長時間滾動接觸會導致軌面剝落，產生疲勞。
  11. By inputting impulsive excitation, the dynamic simulation of vertical wheel / rail force, wheel / rail contact stress and accelerations of axle and bogie frame for resilient wheelset system is carried out and the results are analyzed and compared with the system of rigid wheelset. in additions, the stiffness of rubber is optimized

    其次通過輸入脈沖型激擾，對彈性輪對車輛軌道垂向耦合系統進行了輪軌力、輪軌接觸壓力和車軸及構架加速度的動力學模擬，並與剛性輪對車輛的計算結果進行了比較和分析，優化了橡膠的剛度。
  12. Many engineering pairs such as the wheel - and - rail combination described in section 8. 2. 1 generate elliptical contact areas

    工程上的許多運動組合，諸如8 2 1節中所描述的車輪與鋼軌組合，都產生橢圓接觸面。
  13. Effects of rail gap on wheel - rail contact stresses

    鋼軌接頭軌縫對輪軌接觸應力的影響
  14. We want to buy wheel. please contact us for more details

    我們想采購汽車輪轂，請有生產的廠家提供產品的詳細信息
  15. I want to buy auto wheel cover. please and contact us

    我們需要購買汽車輪胎，請與我們聯系。
  16. Numerical analysis of locomotive and vehicle wheel - rail contact problems

    機車車輛輪軌接觸問題的數值模擬
  17. In the dynamic system of track and interaction between the vehicle and track, it is convenient to consider six sub - systems : the vehicle, wheel / rail contact and representation of excitation, the rail, the fastening system, the sleeper, the sleeper support ( including ballast and substrate )

    軌道及車輛與軌道系統可以分為車輛、輪軌接觸面及其激振、軌道、扣件系統、枕木及枕木支撐（道渣道床）等六個子系統組成。
  18. As a part of the civil 863 plans, two multiple - contact models for two kinds of braking system are built in the paper, in which contact fields are described as coons surfaces, initial velocity is programmed in fortran. the thermal - mechanical coupling braking processes are simulated for the first time by msc. marc, the general - used nonlinear fem software. time distributions of the velocity, the stress and the temperature of the components under various initial velocity and brake force are obtained, which offer theoretic gist to study the life of the wheel, the disc and so on

    作為國家行業863重大課題《鐵路機車車輛虛擬樣機系統》的一部分，本文在研究接觸問題和熱?機耦合問題數值方法的基礎上，採用國際上通用的非線性有限元分析軟體msc . marc建立了踏面制動和盤形制動主要部件的多體接觸計算模型，其中用解析方法描述，即用nurb曲線、高斯曲面來描述接觸區域，用fortran語言編寫定義初速度的用戶子程序，首次對兩種制動過程熱?機耦合進行了數值模擬，定量給出了主要制動部件在不同初速度、不同制動力下各個時刻的速度、應力和溫度的變化規律，為研究車輪、閘瓦以及制動盤壽命提供了理論依據。
  19. Given the rotational speed of the driving wheel, the temperature in the contact zero rises evidently as the load is increased. given the load, however, this temperature rises faintly as the rotational speed of the driving wheel increases. when the modulus is small and rational rate is high, the change of the rational speed and load have the apparent influence on the temperature distribution, but when the modulus is larger and rational rate no larger than 1. 0, the above changes have negligible influence on the temperature distributions

    當主動輪轉速一定時，隨著載荷的增加，接觸區的溫升明顯增加;當載荷一定時，隨著主動輪轉速的增加，接觸區的溫升卻無明顯變化;當模數較小、傳動比較大時，轉速和載荷的變化對接觸區溫度分佈的影響比較明顯;但當模數較大而傳動比i 『 1時，轉速和載荷的變化對溫度分佈影響較小。
  20. On the mechanic design of the automatic measurement unit, we use the linear ccd optoelectronic micrometer sensors for automatic - measurement, and we designed wheel disk automatic structure and carry out the automatic measurement of the contact pin ’ s external diameter

    在測量機構的設計上，採用了線陣ccd測微傳感器，並以此為核心設計了輪盤式自動測量機構，實現了插針外徑的自動化測量。
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