過度的磨損 的英文怎麼說

中文拼音 [guòdesǔn]
過度的磨損 英文
undue wear
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 4次方是 The fourth power of 2 is direction
  • : 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...
  • 過度 : excessive; over; undue; ana-; hyper-
  • 磨損 : wear and tear; abrasive wear; abrase; abrade; detrition; wear; scuff; wear out; fray; battering; ...
  1. Roller adopts imported 95 natural wearable isoprene, height of roller adjusted by micro - speed reducer, controlling sanding precision exactly

    膠輥採用進口95天然耐橡膠,膠輥高低可通微型減速機微量調節,精確控制砂削精
  2. Abstract : experiments were made on a ultrasonic machining tool with work - piece adhered to ultrasonic transducer head, to machine micro - holes on hard and brittle materials such as soda glass and si, to study the effects of tool materials , work - piece materials , amplitude , machining load , slurry concentration , tool length and the size of work - piece on machining rate and wear ratio. in this experiment, the micro - tool was made through wedg

    文摘:通以wedg放電加工手段製作微細超聲加工用工具,在採用工件加振方式微細超聲加工機上對碳酸玻璃、半導體硅等硬脆材料試件進行微孔加工實驗,來探討在某一特定加工條件下工具材料、工件材料、工件振幅、加工靜載荷、料懸浮液濃、工具長及工件尺寸等重要因素對加工速、工具耗率影響,為微細超聲加工技術實用化提供參考依據。
  3. 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

    將上述制備得到納米二硫化鉬顆粒和普通二硫化鉬粉末( 1 . 5 m )以不同濃分散在n46機械油中,在mq - 800四球摩擦試驗機上考察它們最大無卡咬負荷( p _ b值) 、耐性能和摩擦系數;並在mm - 200摩擦試驗機上,通環?塊摩擦副,比較和分析了它們摩擦學特性。
  4. When fillings is other materials ( unprocessed montmorillonite, powder coal ash, co - composite of powder coal ash and organo - montmorillonite, co - composite ofcarbonizing calcium and organo - montmorillonite ) in the binder and content of organo - montmorillonite in the binder is five percent decided by tensile - shear experiment, tensile - shear strength of binder is up to tiptop ; at the same time, this paper carries out abrasion experiment, and, by comparison, concludes abrasion property of coating is optimum when content of organo - montmorillonite in the binder coating is five percent, and observes abrasion sample under set

    當膠粘劑中填料為其它物質(未處理蒙脫土、粉煤灰、粉煤灰和有機化蒙脫土共復合、碳化鈣和有機化蒙脫土共復合)時,通拉伸剪切試驗確定膠粘劑中有機化蒙脫土含量為5時,膠粘劑拉伸剪切強最高;同時進行了沖蝕試驗,通比較得出,當膠粘劑塗層中有機化蒙脫土含量達到5時,塗層耐沖蝕性能最佳,並對沖蝕試樣在掃描電子顯微鏡( set )上進行觀察。
  5. 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,導致早失效;套管會降低套管柱抗擠強和抗內壓強,造成套管柱擠毀、變形及泄漏,嚴重時造成全井報廢。
  6. A series of tests were performed on the self - made fretting wear test rig to examine the fretting wear of steels, by taking the wear depth of steel wires as a characterization parameter describing the fretting wear in relation to contact load and fretting time. the results demonstrates that the fretting wear depth increases with the increasing of the contact load and fretting time

    結果表明,鋼絲試樣微動隨著接觸載荷和微動時間增加而呈增長趨勢,但由於接觸面積和接觸應力在微動程中隨著接觸載荷和微動時間變化而變化,使在不同工況下增長趨勢不同。
  7. In this study, based on bispectrum and bicoherence extraction of vibration acceleration signals at spindle end of a vertical machining center while milling operation, change rules of bispectrum and bicoherence of the signals were analyzed for the progressive wearing process of the flank wear land of the milling cutters

    提取銑削加工程中機床主軸端振動加速信號雙譜及其雙相干系數,分析了銑刀后刀面漸進程雙譜及其雙相干系數變化規律。
  8. On the basis of the theory of fractal geometry, the fractal dimension characters of ae signal at different tool wear states were analyzed, an algorithm was provided to decide the scale range which is necessary to calculate the dimension of non - fully - fractal form. the experiments showed that the fractal dimension of ae signal is slightly effected by the changes of cutting parameters ; the variance of the fractal dimensions, which reflects the geometric characters of ae signals, has the same tendency as that of the flank wear, the monitoring system, which takes the fractal dimension of the ae signal as the feature, can identify the different tool wear states more correctly under different cutting conditions

    以分形幾何理論為基礎,對刀具不同階段聲發射信號分形特徵進行分析.提出了計算非完全分形體信號波形關聯維數時尺范圍確定方法,分析了聲發射信號在刀具程中分形維數變化特性.刀具切削實驗數據表明,聲發射信號分形維數受切削參數變化影響較小;分形維數反映了聲發射信號幾何特徵,其大小能較好地反映刀具不同狀態.實驗結果表明,該方法能正確地實時在線監測刀具不同狀態
  9. 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

    測試目標是檢驗在施加不同程振動之後,信號路徑失是如何變化,以及是否會通長期接觸或通沖擊使彈簧不偏置而形成不連續性。
  10. 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:所選原料尺寸、形狀及純可滿足固體潤滑劑性能要求;聚四氟乙烯樹脂熱分解溫400 ,但在ptfe中加入無機填料會使復合材料吸水率提高,熔融溫及分解溫降低,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相容性,提高層間剪切強;均勻設計試驗方法能夠用較少試驗次數找出配方與摩擦性能間關系,擬合曲線基本能表示各配方摩擦系數發展趨勢;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最大,量也是三者中最大;同時,固體潤滑劑試樣在空氣冷卻時量也是三者中最大: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直接接觸,大大延長其使用壽命;轉移膜中主要含有較多石墨、少量聚四氟乙烯、 moo 。
  11. The wastage morphology and reasons of gear hob used in production are analyzed, the influence of the varying hobbing torque and temperature on wastage of hob is discussed in hobbing process

    摘要對生產中使用齒輪滾刀和破形貌進行了分析,探討了滾刀和破原因及滾齒程中滾削力和滾削溫變化對滾刀和破影響。
  12. The porous ceramics is composed of lots of bridge arch - shaped microspores that connected and well - distributed inside the material. when the fluid passes through these pores, the suspended matters, colloid particles and big molecular organic substances are withheld or absorbed to the inner surface of the pore, and result in filtration, purification adn even - dispersion, high strength, good resistance to abrasion, high temperature and corrosion, no pollution, long workinglife, and easy to regenerate, the porous ceramics are available for filtration and fluidization of variou gas and liquid

    微孔陶瓷濾介質由許多大小分佈均勻,相互連通橋拱狀開口氣孔組成.當流體從這些氣孔中通時,流體中懸浮物質,膠體顆粒,大分子有機物等被截留,吸附在微孔道內,從而達到了凈化和濾均勻化效果.微孔陶瓷強高,耐,耐高溫,耐腐蝕,無污染,氣孔分佈均勻,使用壽命長且再生簡便,特別適用於各種氣,液濾和流態化
  13. On the one hand, there is grea t influence of temperature field factor and reliability theory on the wear process of parts, which cannot be ignored ; on the other hand, because of the uncertainties of outer circumstances were longevity should adopt the expression form of probability longevity

    一方面,溫和應力一樣對零件程影響很大,都應納入計算程中;另一方面,外界環境不確定因素很多,壽命應該採用概率壽命表述形式。
  14. As a matter of fact, information characteristics are limited by using a single monitoring technique in order to diagnose the type of wearing parts, degree of wear and wear process

    事實上,單一油液監測方法所能捕捉信息特徵是有限,不能準確診斷出零件種類、程等。
  15. 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

    計算凸輪表面各位置潤滑油膜厚,判斷其潤滑狀態,結合以前大量實驗數據,確定出凸輪各位置在穩態下工作時系數k值。
  16. Abstract : this paper introduces a way to measure the wear mosa ic content of lubrication oil in auto transmission system gear device by a new type of magnetic resistance sensor, the wear degree of gear device in transmissio n system can be monitored in this way

    文摘:論述了通一種新型磁阻式傳感器測量汽車傳動系統齒輪裝置潤滑油中顆粒含量方法,以達到在線監測傳動系統齒輪裝置
  17. By means of orthogonal designing analysis shows that there are comparatively big influences on amount of wear affected by wearing time, diameters and distribution density of concave pits, and there are comparatively less influences on amount of wear affected by rotation speed and temperature

    正交設計分析表明,時間、凹坑直徑和分佈密影響較大,轉速及溫影響較小。
  18. 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信號處理方法引入變速箱齒輪估計。根據信號連續小波變換能量譜對尺積分值,擬合得到齒輪程曲線。
  19. By using peak - band algorithm, the aim area ( b area ) is segmented from the wear area image. aiming at the edge noise of image, mathematical morphology theory is applied to integrate edge. test results show that the segmentation algorithm is effective in identifying tool wear degree

    針對邊界中存在分割噪聲使用圓形形態運算元對邊界進行完整化,最終獲得了完整刀具區圖像,為實現通刀具區大小來評判刀具方法奠定基礎。
  20. The proposed wear mechanisms of the materials without oil lubrication were the followings : the wear mechanisms of the ferroalloy are adhesive wear, abrasive wear, and some oxidation wear. the wear mechanisms of the composites are abrasive wear and the brittle peeling off. the abrasive wear and the brittle peeling off incr eased with the increase of sic particles content in the composites

    在無潤滑條件下,通痕形貌觀察,認為鐵基合金機理主要是粘著,同時伴隨有一定程氧化;加入sic後主要是和脆性剝落,且sic越多材料脆性剝落越嚴重。
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