速度計主軸 的英文怎麼說
中文拼音 [sùdùjìzhǔzhóu]
速度計主軸
英文
speedometer gear- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 軸 : 軸Ⅰ名詞1. (圓柱形的零件) axle; shaft 2. (對稱部分的直線) axis 3. (圓柱形的纏繞器物) roller; spool Ⅱ量詞(用於纏在軸上的線以及裝裱帶軸子的字畫)
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
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After that calculate and analysis the use characteristics of the high speed bearing, mainly includes : the friction moment and rigidity of the bearing
之後,對高速軸承的使用性能進行了計算分析,主要包括軸承摩擦力矩分析和軸承剛度分析。On the basic theory of transfer heat, tribology of rolling bearings and rotor dynamics, taking gdz48a electrospindle as an example, the paper puts forward the spindle bearing ' s quasi - dynamics analysis model with the influences of the friction heat and preloadings analyzes the friction moment, velocities, contact loads, friction heat and stiffness and studies the influences of the friction heat, structure and application parameters on the speed and dynamics
本文以傳熱學、滾動軸承摩擦學和轉子動力學為理論基礎,以gdz48a型電主軸為例,建立了考慮摩擦熱和預緊方式影響的主軸軸承擬動力學分析模型,分析了軸承的摩擦力矩、運動、載荷和剛度,研究了軸承的熱特性、設計和應用參數對速度和動力學性能的影響,並進行了試驗驗證。In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology
為使二維振動傳感器在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用差動測量技術得到由振動引起的微小電容變化量,經c - v介面電路進行相位調制處理,然後通過解調輸出與加速度成正比的電壓信號。In this paper, an approach of the systematic artificial neutral net was introduced into the analysis on the ship - against - bridges probability with a computer programs. based on the basic data of the present 12 typical bridges as the sample, 4 chief influential factors as the input coefficient, such as the bridge span, the water flow rate, the incline angle between water flow direction and the direction normal to bridge axis, and the curve in the course near the bridge area, with the ship - against - bridge probability as the output coefficient, the intelligent judging system of the ship - against - bridges probability reflecting the influence of the above input parameters is obtained after training
本文首次將人工神經網路系統方法引入了船撞橋概率的研究當中,編制了計算程序,成功地以現有12座典型橋梁的基礎數據為樣本,以橋梁跨徑、水流流速、水流方向與橋軸法線的夾角以及橋區航道彎曲度等4個船撞橋主要影響因素為輸入參數,以船撞橋概率為輸出參數,經訓練得到了能較好地反映上述輸入參數影響的船撞橋概率判斷系統。For global registration of rigid body, based on analysis of the principal axes method, by making use of automatic and very fast nature, and easy implementation of the method, a registration method of principal axes - information is presented to remedy drawback of coarse result
針對單模剛體全局配準,先分析了基於主軸配準法的配準原理,再在此基礎上,利用其計算速度快、全自動化以及容易實現的優點,並針對其配準精度不高的不足,提出了一種基於主軸信息的配準方法。The analysis of dynamics characteristic of shaft rotor in high spindles is one of the important contents that directly decide the designing function of shaft. the dynamic characteristics have immediate effect on the manufacturing precision and efficiency, the lives of bearings, as well as working of the key components
高速軸系的轉子動力學性能的分析設計是直接決定主軸性能設計的一項重要內容,主軸的轉子動力學特性對機床的加工精度和效率、主軸軸承的壽命和其它關鍵部件的正常工作等方面都有著至關重要的影響。The polar coordinates of tool swinging pivot are figured out, and the expressions of tool swinging and the variable - speed of spindle are derived
通過對凸輪車削的運動關系進行分析計算,推導出在恆角度與恆速度切削的情況下,刀具擺角、機床主軸轉速與凸輪轉角位置的關系,為在實際中應用提供了理論依據。Results show that profit gained by incorporating the time delay between axles in the control laws designed with track spectrum information decreases rapidly with the enhancement of running speed, comparatively including track spectrum is more important in control law design of railway vehicle active suspension
分析表明,依據軌道不平順譜以及輪軸時延能實現最佳的控制性能;但隨著速度的提高,其相對于僅依靠軌道譜信息而設計最優控制規律的收益大幅下降;相對而言,鐵道車輛依據軌道譜信息設計主動懸掛控制規律非常重要。The finite element method ( fe '. i ) is adopted to analyze the effects of the numbers of coil turns, current intensity and current frequency upon the rate of joule heat generation in details. the thermo - radiation analytical countermeasures of various types are adopted to carry out the numerical analysis of the effects of the crucible with different shapes and sizes and the blind holes with different depths opened in the tops of crucibles as well as coil positions upon the thermal field distribution whereby solving the main problem of field the thermo - field design of the induction - heating sic crystal growth system. a new combination idea of the thermo - field design obtained by means of the united design of the thermo - insulator and blind holes has been presented
採用有限元分析方法對線圈匝數、電流強度、電流頻率等對焦耳熱產生速率的影響進行了詳細的分析討論;採用不同的熱輻射分析策略,對不同坩堝形狀、坩堝頂部開設不同深度的盲孔以及線圈的位置等對熱場分佈的影響進行了數值分析,解決了感應加熱碳化硅晶體生長系統熱場設計的主要問題,提出了通過絕熱層與盲孔的聯合設計獲得所需熱場設計的思路,給出了根據軸向溫度梯度的波動對線圈位置實行動態調節以控制熱場的理論依據。Influence of rotary errors of centrifuge spindle on accelerometer input accuracy
精密離心機主軸回轉誤差對加速度計輸入精度的影響This paper summarize overviews of domestic scholars in relevant research, on the basis of regional economics theories, from space structure perspective, apply factor analysis methods, calculate the main indicators that reflect interregional disparities of jiangsu province, draw the current space structures chart, analysis the major problems of jiangsu province space structures, give some policies that optimize jiangsu province space structure, raise “ one circle and five axis ” network - style pattern strategy. thus enabling sunan continued rapid development, accelerate suzhong, particularly of subei, form a harmonious development situation, achieve the purpose of the harmonious development of regional economy
本文在綜述國內學者相關研究成果的基礎上,從空間結構的角度出發,利用空間結構與區域經濟協調發展的關系,藉助于因子分析方法,計算了反映江蘇省區域間差距的主要指標,繪出了江蘇省的空間結構圖,分析了江蘇省空間結構存在的主要問題,給出了江蘇省空間結構優化的政策建議,提出江蘇省「一圈五軸」的網路式空間格局,從而使江蘇省在繼續保持蘇南地區快速發展的同時,加快蘇中特別是蘇北地區的發展,形成協調發展的局面,達到區域經濟協調發展的目的。( 2 ) because of t he variability of rock subjected to outside action, three new conceptions : postive damage basic damage and negative damage, are suggested, which can deal with the condition that rock density became large. ( 3 ) the present damage variables based on ct number mostly include ct average number of the rock without damage, which is difficult to measure, so a new damage variable, which includes the average ct number is proposed, on the other hand, strain equal theory is generalized because the one put foreword by lemaitre is not good enough to use. ( 4 ) a axial damage constitutive equation is proposed and testified. ( 5 ) with the circle times, the damage propagation laws of two different rocks, subjected to circle of freezing and thawing, are studied, and in the analysis process, traditional analysis method including average ct number and is used, some important conclusions are reached : inner damage of soft rock containing a large mount of apertures is largely propagating with the time increasement of circle, however, at the preliminary time, the hard rock containing a small mount of aperture is a little propagating, at late time, the influence become large ; ( 6 ) zone separation and statistics frequency put forward is used to analysized the three different damage propagation in the open circumstance, when they are subjected to the different circle times of freezing and thawing, in which the temperature variability is linear, different freezing rate, and different freezing temperature, and no water is supplied during the test
在研究過程中本文主要做了以下工作: ( 1 )針對巖石損傷變化較小時,運用ct均值和方差分析不方便的缺陷,本文提出運用對ct數范圍劃分區段的方法,根據各區段統計頻率的變化規律來分析損傷擴展狀況; ( 2 )針對巖石受到外部作用的多變性,本文提出了基準損傷,正損傷,負損傷的概念,在某種程度上考慮了巖石受到外部作用時的壓密情況; ( 3 )現有的基於ct數的損傷變量大多需要用到巖石基體的ct均值,這實際上是很難觀測到的,因此本文建議了一個可運用巖石初始狀態ct均值的損傷變量,由於現有的勒邁特教授應變等價原理使用上的不便,本文在其基礎上進行了推廣; ( 4 )建議了一個可用巖石初始狀態ct數和彈性模量的單軸損傷本構方程,並用算例進行了驗證; ( 5 )對兩種不同巖石在開放環境下受到凍融循環作用且融化過程中補水時,內部損傷隨凍融循環次數增加的擴展規律進行了探討,主要運用了常規的ct均值和ct方差的分析方法進行分析,試驗發現:對于孔隙率和含水率較高,密度和強度較低的軟弱巖石,凍融循環次數對損傷結構的擴展有明顯的影響,而對于孔隙率和含水率較低,密度和強度較高的硬巖,凍融循環次數對其損傷結構擴展初期由於含水率低的原因,影響不是太大,而後期由於水補給后,含水率較高的原因,凍融影響逐漸增大; ( 6 )運用了本文提出的區段劃分和統計頻率的方法,深入地分析了開放環境下的線性溫度變化的凍融循環次數,凍結溫度,凍結速度不同巖石作用時,其內部損傷隨凍融循環次數,凍結速度和凍結溫度變化的擴展規律,需要指出的是除了在試驗前飽水外,凍融過程中沒有補水。6 ) minimum preload analyses of spindle bearings : the paper puts forward the principles and computations of the minimum preload through an example. 7 ) speed experiment of spindle bearings : the paper testy studies the influences of ( lie structure and lubrication parameters on the speed. from the results of analysis, computation and testing, the results show : 1 ) the friction heat and preloadings of spindle bearings obvious influences the speed and dynamics
本文全面揭示了主軸軸承的熱特性、設計和應用參數對速度和動力學性能的影l狗,不僅為主軸單元和主軸軸承的設計與應用提供了理論與試驗依據,而且提出了考慮摩擦熱和預緊方式影響的高速軸承擬動力學分析方法,具有重要的理論和應用價值。2 ) temperature analysis of spindle bearings : using the basic theory of heat transfer, the paper founds the heat transfer model and derives the heat transfer resistance and heat transfer equations in spindle units. 3 ) running performance analysis of spindle bearings : the paper analyses the running performances with the influences of the friction heat, structure and application parameters through an example. 4 ) stiffness analysis and testing of spindle bearings : using hertz contact theory, the paper derives the stiffness formula, computes, analyzes and tests the stiffness through an example
4xio 『 ,定壓預緊下,陶瓷球軸承的剛度大於全鋼軸承,而定位預緊下則相反; 5 )一般,軸承中球的溫度最高,內圈次之,外圈溫度最低,但定壓預緊廠轉速達到一定值時,外圈溫度可能高於內圈; 6 )主軸平動固有頻率和軸承徑向剛度的測量值與計算值基本一致,忽略w1 ) d的影響使測量值小於計算值,表明理論分析是正確的。The background of rapidly developed uhsm ( ultra high speed machining ) technology is introduced and the key function of the uhs ( ultra high speed ) motorized spindle to uhsm is discussed in the thesis. after analyzing international technology status and trend of the uhs motorized spindle study, we research the core technologies related to the uhs motorized spindle in detail, such as optimized design of the motorized spindle structure, high speed bearing technologies, oil - gas lubication technologies, precision machining and assembly technologies, design and manufacture technologies of the built - in frameless motor etc. then the digital simulation of the motorized spindle sensor - less vector control system is studied thoroughly
本文從超高速加工技術飛速發展的背景出發,討論了超高速電主軸對超高速加工技術發展的重要作用和意義;分析了超高速電主軸研究的國內外現狀及發展趨勢;詳細論述了超高速電主軸的關鍵技術,包括電主軸結構優化設計、高速軸承技術、油氣潤滑技術、精密加工與精密裝配技術以及內裝式電機設計製造技術等,並深入研究了超高速電主軸無速度傳感器矢量控制系統的數字模擬技術。Through design and analysis of the main parts of sawtooth anti - blocking mechanism, the main factor of influence on the performance of sawtooth anti - blocking mechanism is the rotary speed of main shaft, the trolley speed, the interval between moved cutter and static cutter, the distance between sawtooth and ground, the mulched straw and so on
通過對鋸齒防堵裝置中主要零部件的設計分析,得出主軸轉速、臺車前進速度、動定刀間隙、鋸齒離地間隙、秸稈覆蓋量等是影響鋸齒防堵裝置防堵性能的主要因素。根據實驗目的,確定了防堵裝置功率消耗的測試方法。The third one describes the properties of working fluid and some experiments on viscous - temperature curves of silicone oil, named as 0. 017m2 / s, 0. 027m2 / s and 0. 037m2 / s. the experimental results demonstrate that the dimension of plate and properties of working fluid have influences on life - span and torque transfer performance of lvc. in chapter four, the strength of each component of lvc were designed and corrected and the new seals were used and the space between the inner and outer plate is 0. 4mm
第一章主要說明了課題研究的背景和意義、液體粘性聯軸器的工作原理及其在工程上的應用,介紹了常時四輪驅動汽車的概念與分類;第二章在閱讀大量文獻的基礎上,對液體粘性聯軸器的研究成果進行總結,包括粘性聯軸器的扭矩計算,扭矩輸出所受的影響因素,駝峰發生的機理、駝峰觸發的溫度、駝峰發生時的最小轉速差,聯軸器在發生駝峰現象之前硅油剪切的內部溫度特性,聯軸器的傳熱模型以及汽車速度、滑移率對轉速差的影響。分享友人