摩擦工具 的英文怎麼說
中文拼音 [mócāgōngjù]
摩擦工具
英文
rubber-
Ptfe has many excellent properties such as : bonzer self - lubrication ^ low fricatiom chemistry stabilization and thermal stabilization, but its wear resistance is very low to improve the wear resistance of ptfe a lot of researches have been down by means of adding fillers to it, there are still less report on nano - inorganic filler filled ptfe composites to change properties. in this paper, experimental study was made to question above problem
Ptfe具有優異的自潤滑、低摩擦、化學穩定性和熱穩定性,但耐磨性較差,因而人們在利用不同種類的填料對ptfe進行填充改性,提高耐磨性方面作了大量研究工作,但在使用納米無機填料填充改性ptfe方面研究很少,因此本課題主要探討這一方面的問題。So this base isolation technique has profound prospects. unfortunately there exist definite difficulties in the calculation because of the nonlinear of the base friction force. now, both the equivalent damping method and the numerical calculatin of the vibration response of the base - isolated buildings are frequently used in the calculation of the seismic response of the base - isolated building. however both of them have certain drawbacks. in this paper, the response of the building with base - isolation system is derived by the method of fourier expansion for the friction force and the earthquake response. at the same time, the sliding vibration character of inertia of a single mass structure and the sliding vibration response of a muti - mass structure are discussed. the stable condition of the sliding base isolation system of a structure is given. in the end, two circes of base fixation and base sliding are analyzed by adopting ansys
本文利用對摩擦力和地震響應進行付氏級數展開的方法導出了基底具有摩擦隔震系統的地震反應。同時,文中從研究單質點結構的滑動振動慣性力入手,進而對多質點結構體系滑動振動反應進行探討,分別給出了結構滑動隔震的自身穩定條件。最後,本文利用ansys對基礎固定和基礎滑移隔震兩種工況進行了動力模擬模擬分析,進一步證實了基礎滑移隔規律。Sepiolite has low shrinking rate, plasticity is good, alkali - resisting and easy to dissolve, absorb the peculiar industry performance such as being strong of performance, in addition, also absorb, decolouring, hot stability is anticorrosive, resist radiation and insulate against heat, the characteristic such as being insulating, is used in the non - asbestos jointing sheet, various of brake shoes, paint, sound insulation of the building mainly, thermal insulator
海泡石具有收縮率低,可塑性好,耐堿易溶解,吸附性能強等特有的工業性能,除此之外,還具有吸附,脫色,熱穩定,抗腐蝕,抗輻射及隔熱,絕緣等特性,主要用於密封產品如非石棉橡膠板,摩擦產品如各式剎車片,油漆、塗料,建築隔音、隔熱材料。Sepiolite has low shrinking rate, plasticity is good, alkali - resisting and easy to dissole, absorb the peculiar industry performance such as being strong of performance, in addition, also absorb, decolouring, hot stability is anticorrosie, resist radiation and insulate against heat, the characteristic such as being insulating, is used in the non - asbestos jointing sheet, arious of brake shoes, paint, sound insulation of the building mainly, thermal insulator
海泡石具有收縮率低,可塑性好,耐堿易溶解,吸附性能強等特有的工業性能,除此之外,還具有吸附,脫色,熱穩定,抗腐蝕,抗輻射及隔熱,絕緣等特性,主要用於密封產品如非石棉橡膠板,摩擦產品如各式剎車片,油漆、塗料,建築隔音、隔熱材料。We are now capable of producing copper coated iron powder, bronze coated iron power and brass coated iron powder
該產品主要用於含油軸承、金剛石工具、摩擦材料等。The aluminum allouy fabric reel for looms made by our factory is extruded by high quality aluminum alloy profile which have many advantages such as high strength, low weight, easy to clean and high confriction, and can adapt to domestic and alien air - jet, projectile and rapier weaving machines,
我廠生產的鋁合金卷布輥採用優質的鋁合金型材自行擠壓加工而成,具有強度高、重量輕、易清潔、摩擦力強等各方面優點,適應國內外噴氣、噴水、劍桿、片梭等各種類型的織機配套使用。Secondly, this paper emphasizes how to apply this new friction model to practical valve controlled cylinder position servo system and realize the dynamic friction compensation. the paper designs the compensation law and uses the matlab / simulink tools to testify the compensation effect
其次,本文重點放在如何將新型摩擦模型應用到實際的電液位置伺服系統中,以實現對閥控液壓缸電液位置伺服系統的摩擦力進行動態補償,並應用matlab的simulink模擬工具進行模擬,通過調節摩擦補償環節的參數可得到良好的補償效果。As a whole, the research work of this dissertation can be summarized follows : 1. in accordance with my design patent, namely, reinforced earth retaining wall of r c net, and based on the analysis of the work mechanism, failure pattern, bearing capacity and stability of the reinforced earth, a new concept is expounded, namely, the reinforced earth wall which is thought of as a compound structure increase not only c but also ~ in comparison with non - reinforced earth. some bearing capacity formula are first introduced under the circumstances that the reinforced earth wall fails because of the breakage of material or inadequate cohesion between reinforcements and soil
歸納起來,具體的研究和所獲得的一些重要成果如下: 1 、結合本人的設計專利? 「鋼筋混凝土網格式加筋擋墻」及工程實踐,在對加筋土的加筋機理、破壞模式、承載力和穩定性等方面進行深入分析的基礎上,提出了一個新概念,即經過加筋后的土體作為復合結構與原土體相比,不僅提高了內聚力,而且也提高內摩擦角;並在此前提下首次導出拉力破壞和粘著破壞兩種情形下的承載力公式,然後進行了穩定性分析。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。So. the low speed jitter problem has been the central task in the servo system research. the improvement of the working precision at low speed is hindered by the disturbances of the friction moment and the motor torque wave, while the decrease of the disturbances is restricted by the making technology. for the reason, the research of the low speed properties and corresponding compensation methods means a lot for the optoelectronic tracking system
轉臺伺服系統低速工作精度主要受到以摩擦力矩、電機波動力矩為主的擾動力矩的影響,而摩擦力矩、電機波動力矩的減小又受到轉臺製造工藝水平的限制,所以,轉臺伺服系統的低速特性以及抖動補償研究,對結構簡單、性能優良的精密光電跟蹤系統的研製,具有相當重要的意義。After looking up a large amount of native and foreign information, the materials used in the experiment were as follows : ptfe base, graphite filler, molybdenum disulfide filler, copper powder filler, carbon fiber and so on. the experimental method is that the formula was designed according to uniform experimental method, the relationship between formula and frictional property was found with spline function and then the representative test points were chosen from fitting curve to make verification test for optimization. the preparative technique of solid lubricant is cold - press sintering method
經過查閱大量國內外文獻資料后確定原料為:聚四氟乙烯樹脂為基體,加入石墨、二硫化鉬、銅粉、碳纖維等填料;試驗方法為:根據均勻試驗方法設計配方,用樣條函數找出配方與摩擦性能的關系,然後在擬合曲線上選取具有代表性的試驗點進行驗證試驗,達到優化的目的;制備工藝:冷壓燒結法制備固體潤滑劑。The study of reliability optimum design of self - energizing overrunning spring clutch is raised to meet the following requirement : smaller size, less producing heat and overrunning friction loss in opposite direction. it is important investigating substance in the field to all the country in the world. it is application of modern advanced design method in engineering practice
自激式超越彈簧離合器可靠性優化設計的研究,是針對超越式離合器要求空間尺寸小、溫升小、反向超越時摩擦損耗小而提出的,這也是世界各國在該領域中的重要研究內容,是現代先進設計方法在工程實際中的具體應用。Based on the theories of gear engagement, contact analysis, friction and heat transfer, a three - dimensional finite element model of gear tooth was established to investigate temperature distributions and variations along the contact path over a range of applied loads and operating speeds with consideration of lubrication conditions. sensitivity analysis of surface temperature to gear configuration, frictional heat flux, heat transfer coefficients, and oil and ambient temperature was conducted and the major parameters influencing surface temperature were evaluated
本文基於齒輪嚙合原理、輪齒接觸分析、摩擦學和傳熱學,以有限元分析方法和理論分析計算相結合為手段並以實驗測量結果作為參考,建立了適用於工業應用並具有較高計算精度的高速齒輪傳動輪齒溫度分析的模型和方法,系統地分析了輪齒本體溫度的大小和分佈以及齒輪幾何、載荷及轉速和潤滑冷卻條件等對輪齒本體溫度的影響。Friction stir welding ( fsw ) is a solid - phase welding operated under the melting point of workpiece materials ; it ' s a technology which uses an anti - friction tool to join the sheet or shaped materials in rotary circs, and can be used in the welding of aluminum, magnesium and copper and has good welding quality
摘要摩擦攪拌焊( fsw )是在低於工件材料熔點情況下操作的固相焊接,是在旋轉情況下通過一種耐磨工具將板材或型材材料連接的工藝,可用於鋁、鎂、銅等的焊接,焊接質量優良。Pressure grouting has made piles and soil combinaion closely at the same tiine, the piles liave hand load capacity more than ever currenly, the design and calculation of root piles have been short of a sult of fledged theory aner referencing the application of root piles in underpinning engineering and basing on the intrinsic cbaraer of root piles in thes paper the authr has ehabshed mle constitutive relative of root piles and soil in correctin slopes, researched the slope edility aller correcang slopes and safety factr of slopes
樹根樁可以看作是一種摩擦樁,它不僅可以承擔豎向荷載,而且還可以承擔水平荷載,用壓力注漿可以使樁與土體緊密結合,使樁具有較大的承載力。當前,對樹根樁的設計計算卻沒有一套成熟的理論,本文在參考了樹根樁應用於托換工程的設計計算方法后,根據樹根樁的實際特徵,詳細推導了樹根樁加固邊坡后樹根樁與土均質化復合「土體」的本構關系,研究了樹根樁應用於邊坡加固后的穩定性情況。The retaining wall reclining on the slight slope built on soft foundation is usually used in protecting the shore of river, the contradiction between the lack of impartiality in stress of the base and the small stress allowed by the foundation as well as the lack of stabilization of the breast wall is a hard nut to crack in the engineering. in the paper, a tenon - base is added under the base of the retaining wall, on the study of the choice of the parameters and formulas used in calculation and the research of theory used in calculation, method used to deal with the load, etc, the writer gives a way to crack the nut mentioned above paragraphs and presents a qualitative and quantitative analysis about them, such as the equivalent inner friction - angle ( d ) and the passive press of the clay ( ep ), etc. in the end of the paper, using modern optimization method, a design of the retaining wall reclining on the slight slope built on soft foundation is done, the result is economical, and accords with the fact
軟基上的仰斜式擋土墻在水利工程河道護岸中經常遇到,仰斜式擋土墻基底偏心應力較大和軟基土地基容許承載力偏小的矛盾以及擋土墻抗滑穩定不足是工程中難以解決的難題。本文在對仰斜式擋土墻設計中有關計算參數的選擇、公式的選用應該注意的問題進行了研究,對河道護岸軟基礎上的仰斜式擋土墻採用凸榫基礎處理的方法,就其計算理論、設計驗算中各荷載的具體處理方法進行了較為細致的研究,提出了解決軟基礎上的水工仰斜式擋土墻難以解決的難題的方法,並對有水情況下粘土等效內摩擦角_ d 、凸榫被動土壓力e _ p等在計算中的取值提出了定性和定量的分析。最後利用現代優化方法對軟基礎上的水工仰斜式擋土墻進行了結構優化設計,得出了符合實際的結果,與其它重力式擋土墻形式進行比較,取得了明顯的經濟效益。According to some hypothesis about tool surface, the relationship among the friction, roughness and hydrostatic stress was derived, and the limited hydrostatic stress was got when the sticky friction takes place
同時,根據對工具表面的某些假設,推導了摩擦應力與粗糙度和靜水壓應力等之間的關系,並求出了發生粘著摩擦所需的靜水壓應力。Because of the segment of the orienting and rubbing cost high in the whole lcd production craft, omitting it can save cost of production. the method of manufacturing polymer stabilized chorlesteric texture ( psct ) with better planar structure under without orienting and rubbing is searching in this article. first, the special properties of clc are introduced
因為摩擦取向在整個液晶生產工藝中成本很高,如果省去此環節,將會極大的節約生產成本,因此本文試圖尋找一種在省去摩擦取向環節的前提下製造具有較好平面排列態的聚合物穩定的膽甾相液晶( psct )的方法。It is considered as the main reason that the fine silicon is easier to be pressed into the matrix and to cooperate with the matrix deformation in the machining of alloy, but the coarse silicon breaks, drops out and displaces usually during the machining, which results in strenuous friction between the tool and the work and various defects in machined surface
造成這種影響的主要原因在於細小的硅粒比較容易協同基體塑性變形和被刀具壓入切屑和已加工表面,而粗大的硅塊往往發生解理破碎、脫落和位移,直接與刀具發生強烈摩擦並使已加工表面存留許多缺陷。According to the phenomenon of friction interface transferring, two techniques of processing ultra - fine grain material were advanced to develop new method of preparing large bulk of ultra - fine grain material efficiently and economically. the first is the friction interface thermo - induced transfer method ( fitt ) for column part, and the second is the cooling friction stir processing ( cfsp ) for flat part
為探索一種高效率、低成本制備大塊超細晶結構材料的新方法,本文按照摩擦壓扭強變形區連續轉移的總體思路,提出了兩種具體的制備工藝: ( 1 )適用於棒材的摩擦面熱誘導轉移法, ( 2 )適用於板材的強冷攪拌摩擦工藝。分享友人