粗糙面接觸 的英文怎麼說
中文拼音 [cūcāomiànjiēchù]
粗糙面接觸
英文
asperity contact- 粗 : Ⅰ形容詞1 (長條東西直徑大的) wide (in diameter); thick 2 (長條東西兩長邊的距離寬的) wide (i...
- 糙 : 形容詞(粗糙; 不細致) rough; coarse; crude
- 面 : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
- 接 : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
- 觸 : Ⅰ動詞1 (接觸) touch; contact 2 (碰; 撞) strike; hit 3 (觸動) touch 4 (感動) move sb ; sti...
- 粗糙 : (不精細; 不光滑; 不細致; 草率) coarse; rough; crude
- 接觸 : 1. (交往) come into contact with; get in touch with 2. (沖突) engage 3. (挨上; 碰著) contact; touch
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At such contacts the scale can slide up the asperity, so that the retched mechanism is not operative.
在這種接觸中,鱗片能滑過對方的粗糙表面,所以棘輪機理不起作用。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;位移幅值在部分滑移區時,表面粗糙度對表面磨損有影響。It is different from under point contact that there is no stick area under line contact in the partial slip regime, and load distribution within line contact area is uneven due to roughness of surface
磨痕分析表明,承載區域接觸不均勻,存在虛接觸區域,其大小與表面粗糙度有關,而接觸區域沒有不磨損的粘著區,不同於點接觸形式。Theory analysis shows that surface roughness ' amplitude, wavelength, and texture on the bearing contact surface have a prominent effect on high - speed cylindrical roller bearing elasto - hydrodynamic performances ; reasonable choice of surface roughness ' amplitude, wavelength, and texture may improve effectively high - speed cylindrical roller bearing elasto - hydrodynamic performances
理論分析表明:軸承接觸表面粗糙紋理方向、粗糙度幅值及其粗糙度波長對高速圓柱滾子軸承的彈流特性具有顯著的影響;合理選擇軸承接觸表面粗糙度幅值、波長及紋理方向,可以有效改善高速圓柱滾子軸承的彈流特性。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The 3d model of mold is analyzed in 3d fem by using ugh. base on the analyses result, some danger structure of the model have been found and some suggestions of the mold modification are given. since doing a lot of research about the 3d cadvcae technology, a 3dcad system of selecting mold for aluminum material have been developed and the method of analyzing the 3d model is provided in this paper
然後,為了能真實地模擬實際生產過程,進行鋁與模具鋼在一定表面粗糙度、不同溫度條件、不同潤滑接觸狀態下的最大靜摩擦系數實驗,總結摩擦系數隨溫度變化的規律性和取值范圍;最後,應用ug 17 . 0三維有限元cae模塊進行模具三維力場分析,根據三維有限元的結果分析,對模具危險部分進行預變形的處理和優化,改善模具受力變形的狀況。It should be noted that the rough disk (disk no. 3) was in complete contact for most of the trials.
應該注意,表面粗糙的圓盤(第3號圓盤)在很多次試驗中處于完全接觸的狀態。Thermal contact resistance is calculated by fem. the triangular model is considered more precise when its control angle equals 30 and an approximate formula is provided for calculation of the thermal contact resistance by comparing computation models
本文採用有限單元法數值計算接觸熱阻,提出控制角為30的三角形模型具有較高的精度,給出接觸熱阻的近似計算公式,並分析了表面粗糙度對接觸熱阻的影響。Influences of axis inclination, length, clamping angle of anchorage, roughness and bonding degree of interface on the displacement of anchorage and repose stability of rock mass were explored
就錨碇體軸線傾角、長度、夾持角、接觸界面粗糙度及結合程度對錨碇位移和巖體安息穩定性的影響作了深入探討。In real engineering, the two surfaces in sliding contact are rough. and it is an important theoretical part to calculate the coupled temperature and stress of sliding bodies having rough surfaces
工程實際中,相互接觸的滑動摩擦表面是粗糙的,對粗糙表面的瞬時溫升和熱機械應力分析有重要的理論意義。Analysis and computation on dynamic characteristics of a new - style hydrodynamic journal bearing
含磨屑粗糙表面接觸滑動摩擦副溫度場的計算Contact angle hysteresis and hysteresis tension on rough solid surface
粗糙表面上的接觸角滯后現象與滯后張力At the same time, using remington ' s wheel - rail interaction model, calculate the interaction force between the wheel and rail and the input power of each subsystem. evaluate the mode count, damping loss factor and coupling loss factor. according the fundamental of the acoustics, predict the wheel - rail noise
同時利用remington建立的輪軌接觸模型,由輪軌間的表面粗糙度譜計算出了輪軌間的接觸力,並將其作為產生輪軌振動的激勵力得到了各子系統的輸入功率。The fem results indicated that as to the rough surfaces in sliding contact, the value of the contact pressure was very high which coursed a high value of the heat flow rate, meanwhile the sliding time was not enough for the frictional heat to transfer, thus the highest value of the body temperature occurred just on the sliding surfaces, which possessed a sharp thermal gradient in direction perpendicular to the sliding surface. so the great thermal stress was caused just by the sharp gradient and the thermal elastic distortion with which the contact pressure changed occurred simultaneously, thus this change of the contact pressure would affect the temperature distribution in return
對于相對滑動的粗糙表面,因實際接觸面積小而導致接觸壓力很大,這樣使得熱流密度會很大,同時由於滑動時間很短,熱來不及傳導,最高溫度發生在摩擦表面,在垂直於摩擦面的方向有很大的溫度梯度,使得熱應力很大,且最大應力發生在表面,同時產生熱彈性變形,這種變形使得接觸區域內的壓力分佈發生變化,這種變化又反過來影響了接觸區域的溫度分佈。On basis of experimental analysis, several conclusions can be indicated that : roughness of cement face or structural plane can be described well quantitatively with fractal dimension in paper. roughness increases inner friction angle and cohesive force, and transfers characteristics of shear deformation curve and mechanics and form of shear failure
試驗研究及分析表明,文中方法確定的分維數可以用來較好的定量描述結構面或膠結接觸面的粗糙程度;粗糙度的存在,提高了膠結面的內摩擦角及凝聚力,改變了膠結面剪切變形曲線特徵及剪切破壞機理和形式。The criterion of microroughness for self - propagating wafer bonding is studied according to jkr contact theory, where the microroughness model is based on a sinusoidal distribution for gap height and gap length
摘要根據jkr接觸理論,推導出晶片直接鍵合時晶片接觸表面粗糙度需要滿足的條件,其中晶片接觸表面粗糙度的描述是基於縫隙長度和縫隙高度的正弦波模型。Based on g - w contact model, two rough surfaces in contact were simplified to a smooth one and a rough one which has regular rectangular asperities, and a three - dimensional transient thermal and stress coupled fem model was established using thermal - structure sequential coupling. the course of the sliding with friction was simulated using the nonlinear multiphysics field fem, meanwhile considering thermal - elastic problems of the two bodies, to calculate and analyze the temperature, contact pressure and stress of the sliding contact surfaces with frictional heating
基於g - w接觸模型,將兩個粗糙表面簡化為一個有規則排列的長方體微凸體的粗糙表面與一光滑表面,利用熱結構順序耦合建立三維瞬態有限元計算模型,考慮兩個物體摩擦接觸的熱彈性問題,採用非線性有限元多物理場來實現,對粗糙表面接觸模型的瞬時摩擦溫度場、壓力場和應力場進行了計算分析。Fourthly, the linear programming technique is combined with efg - fe coupling method to solve the elasto - plastic contact problems. a cylinder in contact with a rigid plane is implemented to show how to choose some of the parameters of efg - fe coupling method in solving the contact problems. an elasto - plastic contact of rough surfaces is also carried out
通過編程對光滑表面圓柱體與剛性平面的彈塑性接觸問題以及粗糙表面與剛性平面的彈塑性接觸進行求解,在對無網格區域相關參數研究的基礎上,指出了用無網格伽遼金-有限元方法求解接觸問題時的合理參數范圍。At first the research current situation of the flash temperature field of rough surface and the algorithm of contact problems with friction were reviewed in this paper
本文評述了粗糙表面的閃溫以及摩擦接觸演算法的研究現狀;建立粗糙表面接觸模型並對其滑動摩擦界面的傳熱規律進行了研究。Non - steady transient thermal elastohydrodynamic lubrication analysis model based on surface roughness in high - speed cylindrical roller bearing has been established, and effects of roughness amplitude, wavelength, and texture in contact surface of raceway and rolling element on bearing elastohydrodynamic lubrication performance are analysed
摘要建立了基於表面粗糙的高速圓柱滾子軸承非穩態時變熱彈流分析模型,分析了抽承滾道與滾動體接觸表面粗糙度幅值大小及其方向對軸承彈流性能的影響。分享友人