磨損的形成 的英文怎麼說
中文拼音 [mósǔndexíngchéng]
磨損的形成
英文
bildung von abrieb generation of wear- 磨 : 磨動詞1 (摩擦) rub; wear 2 (研磨) grind; mull; polish 3 (折磨) grind down; wear down [out]:...
- 損 : 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...
- 的 : 4次方是 The fourth power of 2 is direction
- 成 : Ⅰ動詞1 (完成; 成功) accomplish; succeed 2 (成為; 變為) become; turn into 3 (成全) help comp...
- 磨損 : wear and tear; abrasive wear; abrase; abrade; detrition; wear; scuff; wear out; fray; battering; ...
-
In the course of working, , the plow will make use of the shuttling method so that it can dig alternately either on the left or on the right. compared to the unilateral plow, it can improve the productivity because it can help leave off the soil 、 take from the consumed energy and reduce the empty journey. to meet the requests above, we will use a remote cylinder with both a small cubage and double functions, approximately designing the plow to be columniform and symmetric. after the experiment for a period in the field, we found that the most frayed areas had happened at the places of both plow shank and share and at the same time the base of the remote cylinder had ruptured suddenly
與單向犁相比,其優點在於:耕地無開、閉壟,地表平整,降低了耕后整地的能量消耗,減少了地頭的空行程,因而大大提高班次生產率。為了滿足犁體梭式作業的要求,我們採用了一隻小容積雙作用的液壓油缸;同時對犁壁曲面的形狀採用了近似圓柱形的對稱設計。但經過一段時間的田間試驗,我們發現:該犁犁胸部分的犁脛和犁鏵上的犁尖在工作中磨損較為嚴重;主犁梁和油缸缸體的連接部分(即油缸底座)突然發生了斷裂,造成整個犁體無法正常工作。The build - up welding of the meshing surfaces of big gear wheels : during operations of the big driving gears of big rolling mills and squeezers, the meshing surfaces wear easily and form cavities due to the squeezing force and attrition with the thinning of the gears resulting in the rejection of the gear wheels
大齒輪咬合面堆焊:大型軋機和壓榨機的傳動大齒輪在工作過程中,齒的咬合面產生大的擠壓力和磨擦力易磨損和形成凹坑,齒厚減薄,因而報廢。It is believed that the exposure of highly reactive surfaces during the wear process along with the high temperatures at asperity contacts act to " polymerize " the fluid, forming a viscous sludge, which inhibits bearing rotation
研究表明,高溫下的金屬表面在磨損過程中會產生粘稠的「聚合物」物質,形成粘稠的油泥,阻礙了軸承旋轉。The cleaning cars has seven major characteristics : 1, the vehicle design aesthetic appearance generous, simple, flexible cleaner compact cab from the sanitation workers in the rain, snow and inclement weather operations headaches ; 2, jia lu cleaning electric car gearbox is my companys patented products, latin america is characterized by heavy goods, light down - climbing and extended battery life ; 3, jia lu electric bicycle bridge cleaning car brake, the company is a patent product, is characterized by simple structure, convenient operation, maintenance easier, better braking performance ; 4, good deer electric car cleaning dustbins with low human workers the high - school, so that sanitation workers can easily handling, reversing a good sight, and reduce incidents, high safety factor ; 5, good deer electric cleaning trucks advanced electric power putter as a dump, the sanitation workers to reduce labor intensity, is characterized by fewer power failures, maintenance - free ; 6, jia lu electric vehicle using toughened glass cleaning cars, advance reversing have good vision, difficult to scratch and ensure the safety of sanitation workers ; 7, good deer by external electric car cleaning plate, a fiberglass liner internal, external characteristics : hinge not on the plate yi loose, often not dump deformation and withstand collisions, the internal use of fiberglass liner, not rust, corrosion, wear after the liner can be replaced, maintaining low cost
該保潔車有七大特點: 1 、該車外型設計美觀大方,操作簡單靈活,明凈小巧的駕駛室免除了環衛工人在雨雪等惡劣天氣作業時的煩惱; 2 、佳鹿電動保潔車變速箱是我公司的專利產品,特點是拉重貨,輕松爬坡而且省電,延長電瓶的使用壽命; 3 、佳鹿電動保潔車后橋雙輪制動,是我公司的專利產品,特點是結構簡單,操作方便,維修容易,制動性能好; 4 、佳鹿電動保潔車超低的垃圾箱符合人體工程學的高度,使環衛工人能輕松地裝卸,倒車時具有良好的視線,減少事故的發生,安全系數高; 5 、佳鹿電動保潔車採用先進的電動推桿作為自卸動力,減輕了環衛工人的勞動強度,特點是故障少功率大,免維護; 6 、佳鹿電動保潔車整車採用鋼化玻璃,前進倒車都有良好的視線,不易劃傷,保證環衛工人的安全; 7 、佳鹿電動保潔車外部採用鋼板,內部採用玻璃鋼內膽,外部特點:鉸鏈在鋼板上不易松動,經常自卸不變形,經得起碰撞,內部採用玻璃鋼內膽,不生銹、不腐蝕,磨損后內膽可以更換,維護成本低。It can lead to not only quick wear and early failure of drill pipe but also the decrease of collapse resistance and burst resistance of casing string, which could cause casing collapse, casing deformation and casing leak, even well bore abandonment
其直接後果是:鉆柱快速磨損,導致過早失效;套管磨損會降低套管柱的抗擠強度和抗內壓強度,造成套管柱擠毀、變形及泄漏,嚴重時造成全井報廢。The objective of the test process was to examine how the signal - path loss varied after exposure to different levels of vibration, and if discontinuities could be forced through long - term fretting wear or by unbiasing the spring contact with excessive shock
測試的目標是檢驗在施加不同程度的振動之後,信號路徑損失是如何變化的,以及是否會通過長期接觸磨損或通過用過度沖擊使彈簧不偏置而形成不連續性。Thus it improves the lubricating performance of friction pairs. 2 ) under heavy load and high - temperature conditions, the nanometer cao particles between two friction surfaces are flattened and form a sliding system
( 2 )在重載和高溫條件下,兩摩擦表面間的納米氧化鈣顆粒被壓平,形成一滑動系,降低了摩擦和磨損。The degrees of crystallinity of pure ptfe under the different conditions of water cooling, air cooling and furnace - varying cooling were made comparison by xrd. the thermal stability of pure ptfe and solid lubricant was analyzed by dsc - tg ; the composition and valence state of elements in the surface of carbon fiber, solid lubricant before and after friction test and lubricant transfer film were characterized by xps ; the frictional property of solid lubricant was tested by pin and disk test rig. the frictional wear property of solid lubricant between embedded bearing sleeve and steel axle friction pair ring was tested by special simulate test machine, the hardness of solid lubricant was tested by pm ; the compression strength of solid lubricant was tested by material test machine
用sem表徵原料微觀結構、摩擦表面及潤滑轉移膜表面形貌:用xrd進行原料物相分析,及比較水冷卻、空氣冷卻、隨爐冷卻三種工藝條件下的純聚四氟乙烯樹脂的結晶度;用dsc - tg分析純聚四氟乙烯樹脂及固體潤滑劑的熱穩定性;用xps表徵碳纖維表面、固體潤滑劑摩擦前後表面、潤滑轉移膜表面的元素組成、價態變化;用銷盤式摩擦磨損試驗機對固體潤滑劑進行摩擦性能測試;採用專用的臺架模擬試驗機對固體潤滑劑鑲嵌軸承套與鋼軸摩擦副間的摩擦磨損性能進行測定;用萊次偏光顯微鏡( pm )測試固體潤滑劑的硬度;用材料試驗機測試固體潤滑劑的抗壓強度等。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 。Secondly, introducing the image analyzing technology with reference to the disadvantages of the traditional ferr - graph analysis technology, and with the combination of characteristic parameter optimizing filtration so as to raise a description method of debris micro - morphologic character. thirdly, with the application of mode recognition method, completing the process of debris auto - recognition based on the collected information of the debris configuration characteristics ; and conducting the diagnosis on the aero - engine wear faults according to the theory of particle tribology. fourthly, introducing information fusion technology to solve the problem that a single method can not collect enough fault premonitory information to conduct the wear fault diagnosis, hence to conduct the research and exploration in the field of comprehensive diagnosis on the aero - engine ' s multi - fault premonitory information
本文的研究工作主要包括以下五個部分:首先,介紹航空發動機常見的磨損故障類型,研究磨損故障的失效機理,分析磨粒的產生機理、分類以及形態特徵:其次,針對傳統鐵譜分析技術的缺點,引入圖像分析技術,再結合特徵參數優化篩選,形成基於圖像的磨粒顯微形態學特徵描述方法:然後,基於提取到的磨粒形態特徵信息,應用模式識別方法完成磨粒自動識別,並根據顆粒摩擦學的基本原理進行航空發動機磨損故障的診斷與定位:再后,鑒于單一方法不能提取足夠的故障徵兆信息進行磨損故障診斷,本文引入信息融合技術,開展航空發動機多故障徵兆信息綜合診斷方法的研究與探索;最後,基於航空發動機滑油光譜分析與鐵譜分析數據,應用時序模型、灰色模型以及組合模型進行磨損故障的預測方法研究。3. calculating the portion and area of different wear form made by wear methenism with a coding method based on the margin element. and judging the action degree of wear methanism. 4
運用一種基於邊素的圖像輪廓編碼方法,應用圖像外圍輪廓的編碼法計算出不同磨損機製造成的磨痕形狀所佔的面積及在整個磨損主體中所佔比重,判斷磨損圖像不同磨損機制的作用程度。He looked at them, and saw in them, without knowing it, the slow sure filing down of misery - worn face and figure, that was to make the meagerness of frenchmen an english superstition which should survive the truth through the best part of a hundred years
驛站就在泉水邊不遠,農民們停下活兒望著他他也看看他們,雖然看到,卻沒有感覺到那些受到細水長流的痛苦磨損的面孔與人形。這類形象在英國人心目中形成了一種迷信:法國人總是瘦削憔悴的。By physical and chemical testing and comprehensive analysis, it is suggest that deposited sands and rubber relics lead to local clogging of the pipe, so vortex around the clog lead to erosion abrasion
通過理化試驗和綜合分析后認為,海水中沉積的泥砂和管內橡膠殘片集結成一體,對傳熱管形成局部阻塞,水流在阻塞物周圍產生渦流,發生沖蝕磨損,造成鈦管泄漏失效。( 2 ) it is found that distilled water as lubricant can markedly reduce the accumulation of friction heat and temperature rise on the frictional surfaces of polymer. so the heat fatigue and adhesive wear decrease. moreover, a lubricating film forms on the interface between the counterpart and polymer when distilled water acts as polar lubricant
( 2 )潤滑劑水的存在,可大幅度降低聚合物磨損表面的摩擦熱積累及溫升,從而減少了基體的熱疲勞磨損和粘著磨損,同時,水作為一種極性潤滑劑,在摩擦界面上能形成一層潤滑膜,對摩擦表面起了一定的隔離作用。In this paper, the harmfulness of wearing and tearing of gas piping with dust is told about, the mechanism of the forming of wearing and teraring and the influential factors are analysed, an antirubbing technological measurement is put forward and a kind of new antirubbing bend is provided
闡述了除塵管道磨損的危害,對磨損的形成機理及其影響因素進行了分析,提出了防止磨損的技術措施,介紹了一種新型結構的防磨彎頭。The thesis discusses and analyses the sorting of wear, the way the wear particle formed and the characteristics of the wear particles. the thesis proposes that the method of tribology system analysis should be used in the research on the wear particle, the characteristics of wear particle have relation to the condition and process of wear, the characteristics of wear particle include the condition characteristics and construction characteristics of the tribology system
分析論述了磨損的分類以及相應磨粒的生成機理和磨粒的形態特徵;提出了用摩擦學系統分析的觀點研究磨粒分析,磨粒的形態與磨損狀態、磨損機理有密切關系,系統磨粒的數字特徵包括摩擦學系統的狀態特徵、結構特徵。The transfer film make the surface more smooth and decrease the wear ratio greatly
認為轉移膜的形成令磨損表面更加光滑,有利於改善摩擦材料的耐磨性能。The image of the curve is obtained by planar ccd system. the author independently works on : ( 1 ) the image processing : ( 2 ) the imaging model of the ccd cameras, that is the coordinate transforming relationship between the image coordinates and the corresponding world coordinates : ( 3 ) the method of curve connection : ( 4 ) the experiments of the figures of the wheel trackside profile and calculation of the flange thickness related to the wheel wear
作者獨立完成的工作包括: ( 1 )對車輪輪廓的激光曲線圖象進行處理; ( 2 )建立了左、右ccd攝像機的實際攝像模型,推導出圖象坐標到物方實際坐標的變換關系; ( 3 )研究了幾種曲線拼接方法; ( 4 )通過實驗,應用曲線拼接方法確定輪廓曲線的形狀,最終算出反映車輪磨損的重要參數。Owing to the interfacial cracking which occurs under higher applied load conditions, the composite with high content of tib _ 2 phase exhibited a transition from mild wear to severe wear over the applied load range from 10 n to 80 n. under moderate applied load, increasing the sliding speed caused a decrease in wear rate and friction coefficient of the in - situ composites because the formation of a protective oxide film occurred on the sliding surface and the hardness of the subsurface layer was maintained due to reinforcement of tib2 nanoparticles in the cu matrix
隨著載荷的增加, cu -納米tib2原位復合材料的磨損率和摩擦系數增加;由於在較高載荷下發生表面開裂,高含量的tib2相增強原位復合材料發生了由輕度磨損向嚴重磨損形式的轉化。在中等載荷下由於表面保護性氧化膜的形成和基體中納米tib2相的存在使復合材料具有良好的抗軟化能力, cu -納米tib2原位復合材料的磨損率和摩擦系數隨著滑動速度的增加而下降。Viii. the following circumstances don ' t belong to the warranty scope : 1. normal wearing of wearing parts ; 2. man - made damages caused by improper operations
八、如下情形不屬於三包范圍; 1 .正常磨損的易損件: 2 .操作不當造成不應有的人為損壞。分享友人