無摩擦表面 的英文怎麼說
中文拼音 [wúmócābiǎomiàn]
無摩擦表面
英文
frictionless surfaces- 無 : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
- 摩 : 摩構詞成分。
- 擦 : 動詞1 (摩擦) rub 2 (用布、 手巾等摩擦使干凈; 揩拭; 抹) wipe; scrub; clean 3 (塗抹; 搽) spre...
- 表 : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
- 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...
- 摩擦 : 1 (互相接觸的兩物體作來回相對運動) rub; chafe 2 [物理學] (相互接觸的兩物體在接觸面上發生阻礙相...
- 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
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Moreover, it is a compatible raw material under the terms of the food sanitation law. also, through the use of newly developed complex technology, we have given this coating excellent non - adhesion, low friction and sliding capabilities, etc. thanks to these capabilities it has become possible to adjust the surface treatment performance to match a wide range of application purposes, equipment, etc
聚氨酯本身具有耐磨損性,高摩擦系數特性,還有防止靜電的導電特性,保證工廠安全的自動溶解特性,亦可用作食品衛生法對應的原料,此外通過最新開發的復合技術具備了無粘性,低摩擦性,光滑性等諸多優點,用途更廣泛,可適用於各種器械的表面處理施工。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值;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損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磨損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 。Friction on a smooth pin increased in the order: bright, semidull, and dull fiber.
在光滑的導紗桿表面,摩擦增加次序為:有光,半無光和無光纖維。Sliding friction is independent of the area of surface in contact
滑動摩擦力于表面接觸的面積無關。Figure 2-1 represents a flat, rigid object of arbitrary shape on a level surface having negligible friction.
圖21表示一個任意形狀的扁平剛體,放置在無摩擦的水平面上。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。With the reference of many relevant materials, the author prepared a fined molybdenum disulfide powder with a average size of 800nm by ball milling, and a nano - copper with average size of 30nm in micromulsion solution method, and synthesized surface - modified titanium dioxide nanoparticles with average size of 40nm in organic media via sol - gel method. the tribological performances of three particles were studied by universal test as well, with the result of fined molybdenum disulfide powder with good reducing wear and antiwear performance at low load, nano - copper with good reducing wear and antiwear performance at high load, surface - modified titanium dioxide nanoparticles maintaining stable reducing wear and antiwear performance from low load to high load due to its characteristics of organic and inorganic nanocomposite. the results indicate that the nanocomposite is the most perspective oil additive. the reducing wear and antiwear mechanism of nano oil additive was studied with in - situ tribochemical principle. nano additives possess broadly developing prospect with its above - mentioned performance
在參閱了大量文獻的基礎上,分別採用了球磨法、微乳液法、溶膠?凝膠法制備了超細二硫化鉬、納米銅粒子、表面修飾納米二氧化鈦,經原子力顯微鏡測試,獲得的超細二硫化鉬的粒度平均在800nm以內,納米銅粒子平均粒度約為30nm ,表面修飾納米二氧化鈦平均粒度約為40nm ,在萬能摩擦磨損試驗機上測試了三種粒子的摩擦學特性,結果表明:在合理的添加濃度范圍內,超細二硫化鉬在低載時具有優良的減摩抗磨性能,納米銅在高載時具有比較好的減摩抗磨性能,表面修飾二氧化鈦粒子因具有有機與無機復合物的特性,從低載到高載都保持穩定的減摩抗磨性能。Ir spectrum proved that 45 # steel friction surface produced self - compensation repairing mixture film of polymerization ester and iron soap, and aluminum bronze friction surface produced the same film of polymerization ester and bronze soap by esi2 ; 45 # steel and aluminum bronze friction surface produced the same film of polymerization ester, but iron soap and bronze soap were not found by esm122
紅外光譜分析證實:以含es12的潤滑油潤滑的45咋摩擦表面形成了聚合酯和鐵皂組成的自補償修復膜,而錫青銅摩擦表面形成了聚合酯和銅皂組成的自補償修復膜。以含esm122的潤滑油潤滑的45畦和錫青銅摩擦表面都是形成了聚合酯自補償修復膜,膜中無鐵皂或銅皂。Overrunning clutch as output mechanism of pulse - type stepless transmission is friction roller - type mainly. because roller and output shaft contact with a higher pair, surface of output shaft appears groove mark obviously when repeated driving
脈動無級變速器的輸出機構? ?超越離合器,目前主要是摩擦滾柱式超越離合器,由於滾柱與輸出軸之間以高副接觸,往復驅動下輸出軸表面明顯出現溝痕。One of the important step of decreasing abrasion is lubracation, and the old lubrication oils only decrease the abrasion of the relative movement surface following with extending its " using life. it does n ' t produce self - compensation film on the friction surface and does n ' t produce zero abrasion and self - compensation repairing effects
減少磨損的重要措施之一是潤滑,然而傳統潤滑油只能起減少相對運動表面的磨損、延長其使用壽命的目的,而無在摩擦過程中產生自補償被磨損表面的能力,因此也就不可能產生零磨損效應和自修復效應。It was showed that dlc gradient film material had a good stability of hemocompatibility, for its surface almost had no changes. in comparison, the hemocompatibility of t16a14v became worse since its surface had been heavily scratched and dense oxide films on its surface had been destroyed. fratal theory and image processing method had been applied to calculate the fratal dimension of tribological surfaces furthermore to elavuate the surface morphology and roughness
摩擦表面具有多尺度相似性和隨機性的特點,採用分形幾何理論描述表面的粗糙程度及形貌特徵,三維表面的分形維數可以作為一種尺度無關的粗糙度評定參數,利用圖象處理方法,通過材料表面的掃描電鏡sem圖象灰度數據來計算三維表面的分形維數。Sintering or friction all brought about chemical change in the surface of solid lubricant and the change of valen ce state of mo, s, fe and so on ; the micro - hardness of pure ptfe was minimum and the surface - hardness of solid lubricant was increased with the increase of additional packing filler in formula ; the compressive strength of pure ptfe was minimum and its compressive strength could be increased notably by adding organic and inorganic filler. but not more additional amount, more notable increase of compre
、 feso4 、 cus等物質;燒結及摩擦均使固體潤滑劑表面發生化學變化,使mo 、 s 、 fe等元素的價態發生變化;純ptfe的顯微硬度最低,固體潤滑劑的表面硬度基本是隨著填料加入量的增加而增加的;純ptfe的抗壓強度最低,在ptfe樹脂中加入無機填料均可明顯提高其抗壓強度,但並不是加入量越多,抗壓強度提高越明顯。Based on the assumed vertical displacement of the unit cell and the assumed distribution on the pile - soil interface of the pure friction pile, and using the boundary conditions that there was no relative slipping between pile and soil, the pile decrement was equal to that of soil on the pile - soil interface and that the vertical sheer stress of the unit cell ' s outer edge was equal to zero, the formula for the frictional distribution of the pure friction pile and the formulas for the displacement of pile and soil in the treated area were deduced
通過假定的單元體豎向位移模式和純摩擦樁樁側摩阻力分佈模式,利用樁土間無相對滑移、樁土界面處樁土壓縮量相等和單元體邊界處豎向切應力為零等邊界條件,推導出復合地基純摩擦樁樁側摩阻力分佈的具體表達式,以及加固區樁土壓縮量的計算公式。Figure 7-13(a) shows a man standing on frictionless roller skates on a level surface, facing a rigid wall.
圖713(a)表示一個人穿著無摩擦的有輪滑冰鞋站在水平平面上,面對著一堵堅硬的墻。By testing some parameters, such as the maximum non - seizure load, the shape and diameter of wear scar, the friction factor, the nanometer caco3 particles " properties of extreme pressure, anti - wear and friction reduction have been tested and analyzed. the properties of the nanometer caco3 particles " tribology chemistry have been analyzed through x - ray photoelectron spectrum test. also the nanometer caco3 particles " mechanism of anti - wear and friction reduction has been studied systematically
通過測試最大無卡咬負荷、觀察磨斑表面形貌和測定磨斑直徑以及測試摩擦系數,對納米碳酸鈣粒子的極壓性能和抗磨減摩性能進行了分析和研究;通過xps測試對納米碳酸鈣潤滑油添加劑進行了摩擦化學的分析和研究,對于納米碳酸鈣粒子的抗磨減摩機理做了系統的分析。Figure 2 - 1 represents a flat, rigid object of arbitrary shape on a level surface having negligible friction
圖2 1表示一個任意形狀的扁平剛體,放置在無摩擦的水平面上。Figure 7 13 ( a ) shows a man standing on frictionless roller skates on a level surface, facing a rigid wall
圖7 13 ( a )表示一個人穿著無摩擦的有輪滑冰鞋站在水平平面上,面對著一堵堅硬的墻。分享友人