磨損值 的英文怎麼說

中文拼音 [sǔnzhí]
磨損值 英文
attrition value
  • : 磨動詞1 (摩擦) rub; wear 2 (研磨) grind; mull; polish 3 (折磨) grind down; wear down [out]:...
  • : Ⅰ動詞1 (減少) decrease; lose 2 (損害) harm; damage 3 [方言] (用尖刻的話挖苦人) speak sarcas...
  • 磨損 : wear and tear; abrasive wear; abrase; abrade; detrition; wear; scuff; wear out; fray; battering; ...
  1. The frequency curve of transverse distribution of the wheel track on divided ways reveals that the frazzled damage of highly channelizing expressway cement concrete pavement largely occurs in the peak range of distribution curve of the wheel track

    摘要分車道行駛輪跡橫向分佈頻率曲線顯示,渠化程度較高的高速公路水泥混凝土路面破壞主要集中在行車道輪跡峰范圍。
  2. 1. 5 m in diameter ) were dispersed in n46 engine oil with different concentrations using ultrasonic respectively in order to study their tribological properties. the tribological experiments were carried out by mq - 800 four - ball tribometer and mm - 200 ring - on - block tribometer, in which extreme pressure properties, wear scan diameter, friction coefficient and wear volume loss were measured. the results showed that oil containing mos2 nanoparticles had a better wear resistance, friction - reducing and extreme pressure than the oil containing common mos2

    將上述制備得到的納米二硫化鉬顆粒和普通二硫化鉬粉末( 1 . 5 m )以不同濃度分散在n46機械油中,在mq - 800四球摩擦試驗機上考察它們的最大無卡咬負荷( p _ b) 、耐性能和摩擦系數;並在mm - 200摩擦試驗機上,通過環?塊摩擦副,比較和分析了它們的摩擦學特性。
  3. Abstract : the friction types and wear mechadism of high - chromium cast iron composite is discussed. the experimental results show that this compositc pipeline has good economic benefit, applicability and popularization in coal separation medium pipeline

    文摘:從類型和耐機理等方面,對高鉻耐鑄鐵復合材料進行了探討,試驗結果和經濟效益分析表明,這種高鉻耐鑄鐵復合管對于選煤介質管路有良好的適用性和推廣應用價
  4. We also studied the dynamic characteristics of cf / cu ( c ) - cu composites, the results show that, by the method of graphite is coated with copper, the coefficient of friction and the wear rates remarkably decreased. with the increase of the copper coated carbon fiber content, the wear rates of cf / cu ( c ) - cu composites is notably decreased, while the coefficient of friction is increased. with the increase of electric current density, the wear rate of cf / cu ( c ) - cu composites is increased

    研究發現,碳纖維鍍銅石墨-銅復合材料的電摩擦性能與碳纖維含量存在一最佳,當碳纖維含量為0 . 6時,其電摩擦性能最好;對于不同電流密度下的電性能的比較可以發現,通電時的電摩擦系數要小於機械時的摩擦系數,碳纖維鍍銅石墨-銅復合材料的電摩擦系數隨電流密度增大先減小而後增大,在電流密度為15a cm ~ 2時達到最小;通電量要遠大於機械量,且隨著電流密度增大,量增加。
  5. The method can be adopted to research micro dynamic behavior and changing of friction surface and to show mechanism of abrasive wear

    為研究摩擦表面上的微觀動態行為與變化,認識機理,提供了一種基於微觀數模擬的途徑和方法。
  6. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求;聚四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中加入無機填料會使復合材料吸水率提高,熔融溫度及分解溫度降低,且伴有氧化分解反應;碳纖維表面含有c = o及c - o - c等極性基團,有利於提高其與其它組分的相容性,提高層間剪切強度;均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬合曲線基本能表示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,量也是三者中最大的;同時,固體潤滑劑試樣在空氣冷卻時的量也是三者中最大的:不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形成潤滑轉移膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  7. From analysis of the test results the conclusions can be obtained as follow : the coefficient of friction under line contact is same as under point contact

    研究表明:線接觸微動摩擦因數變化與點接觸形式相同;位移幅在部分滑移區時,表面粗糙度對表面有影響。
  8. Coefficient of wear k

    系數k
  9. Then we can estimate the lubrication state between the friction faces. with the old large numbers of testing numbers the wear parameter k of every point on the steady work ' s cam can be decided

    通過計算凸輪表面各位置潤滑油膜厚度,判斷其潤滑狀態,結合以前大量的實驗數據,確定出凸輪各位置在穩態下工作時的系數k
  10. On simulation of cam - follower wear model under circumstances of matlab simulink

    的內燃機凸輪挺柱計算的模擬研究
  11. Research on a calculation method of wear value of a cam - follower in an internal - combustion engine

    內燃機凸輪挺柱計算方法的研究
  12. In this paper, based on the wear theory, the wear mechanism and the main disable forms are discussed. the more appropriate archard wear calculation model is selected. the cam ' s wear model in view of the influence of surface topography is established

    本文以理論為基礎探討了內燃機凸輪挺柱的機理及主要失效形式,選擇了比較合適的archard計算模型,建立了考慮表面形貌的凸輪計算模型,得到凸輪的數模擬模型。
  13. In the full load range, the engine exhaust contains no smoke and the nox exhaust obviously decreases and the engine noise also decreases. the different fuel blends consisting of predorminant dme and some diesel can conqer or in large part improve the wear and leakage of plunger

    二甲醚和柴油混合燃料除了有較好的動力性、經濟性和排放指標外,由於粘度增加可以克服或在很大程度上改太原理工大學碩士學位論文善油泵、油嘴的、泄漏問題,具有使用價
  14. This paper introduces the research and application of the wearing fault diagnosis for vehicular power transmission systems with its focus on the introduction of the threshold value defining method and its application effect, which has been developed by the authors with the oil spectroscopic analyzer

    本文介紹了車輛動力傳動系統類故障診斷的應用研究,重點介紹了作者研究的油液光譜分析界限制定的方法和應用效果。
  15. According to the relation between gear wear and its vibration, continuous wavelet transform is introduced to estimate the wear condition, the energy values of continuous wavelet on scale fit a spline which is much like that of the wear course of the gear

    最後,將基於連續小波變換的信號處理方法引入變速箱齒輪的估計。根據信號的連續小波變換的能量譜對尺度的積分,擬合得到齒輪的過程曲線。
  16. The high reality of numerical simulation is studied prominently in the paper, studying the influence of temperature field on wear, introducing the reliability theory and bringing forward the universe model of the high - reality numerical simulation bout linear contact parts

    本文著重研究了模擬的高真感性,研究了溫度、壓力對的影響,引入了可靠性理論,提出了線接觸零件的高真感數模擬通用模型。
  17. Based on the discrete mathematics and computer technology, a numerical simulation model is presented in this paper, and it can be used to deal with the wear process characterized by dynamic and non - linear systems, facilitating the above mentioned three difficulties, moreover, the high reality of the numerical simulation is emphasized, which increases the authenticity of the numerical simulation

    本文基於離散數學理論和計算機技術提出了一種數模擬模型,可用於解決復雜動態非線性系統的問題,為徹底解決上述三大難點創造了條件,並著重突出數模擬的高真感性,增加了數模擬模擬現實的真實性。
  18. The contract stress on supporting roller and crawler board surface of three models of dong fang hong crawler tractor under three working conditions is gained by finte element analysis, as well as the stress distribution law and maximum stress which provide valuable referentce datum for resolving the problems of plastic deformation and friction wear between the supporting roller and crawler board

    摘要對3種機型拖拉機的支重輪與履帶板之間的接觸應力分別在3種工況下進行了有限元分析,得出接觸應力分佈的規律及其最大,為解決支重輪和履帶板的塑性變形問題及摩擦行為分析提供了有價的參考數據。
  19. The establishment of gear fault data warehouse the paper studies several gear cases in drive lab of wuhan university of science and technology. the signal of normal gear pair, the one has been worn seriously, the one which has circular pitch error and the one whose pinion has a ruptured tooth is acquired independently. after fft transformation, the amplitude values of 0 - 0. 4 multiple engage frequency, 0. 4 - 0. 5 multiple engage frequency, 0. 5 - 1 multiple engage frequency, 1 multiple engage frequency, 2 multiple engage frequency, 3 multiple engage frequency, 4 multiple engage frequency and greater then 4 multiple engage frequency of every signal are obtained respectively

    論文主要完成下列內容: 1 .齒輪故障數據倉庫的建立以武漢科技大學傳動實驗室的若干臺齒輪箱為研究對象,分別採集正常齒輪副、嚴重的齒輪副、有周節誤差的齒輪副和小齒輪有一個斷齒的齒輪副的振動加速度信號,經過fft變換,分別得到每個信號的0 ~ 0 . 4倍嚙合頻率、 0 . 4 ~ 0 . 5倍嚙合頻率、 0 . 5 ~ 1倍嚙合頻率、 1倍嚙合頻率、 2倍嚙合頻率、 3倍嚙合頻率、 4倍嚙合頻率和大於4倍嚙合頻率幅
  20. Among all the parameters that display the loss of rail, head wear of is one of the most primary parameters

    在各種決定鋼軌傷的參數中,鋼軌頭部的是最主要的參數之一。
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