模轉壽命 的英文怎麼說

中文拼音 [zhuǎnshòumìng]
模轉壽命 英文
life of the die
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 轉構詞成分。
  1. We use the method of finite element analysis to find the most dangerous section of the rotator. through setting up a model of rotator, calculating the temperature and stress field of rotator, we get the section. then we supervise the section online, calculate the practical fatigue life loss and creep life loss

    我們使用有限元分析法,通過建,計算子溫度場、應力場,得到最危險截面,然後對危險截面進行在線監測,計算實際運行中的疲勞損耗和蠕變損耗,為安全經濟運行提供有效監控手段。
  2. Disk chuck has been adopted in 74 series vertical shaft rotary die grinders, which can grind to the internal hole, excircle of large workpieces and workpieces with shoulders. die can work and grind to r - arc without removing guede - pole, and grinder head can rotate in the range from + 45o to - 45o. accordingly, the life of die is longer than before and accuracy of the die is stable

    74系列立軸圓臺具磨床採用花盤式工作臺,可對較大工件內孔、外圓和帶有臺肩的工件進行磨削,沖具可以不拆導向柱進行磨削及r弧磨削,提高具使用,保證具使用精度,磨頭可旋45 。
  3. Telomerase is a ribonucleoprotein complex ( rnp ) composed by its rna component and protein subunits. telomerase can synthesize telomeric dna onto chromosomal ends using its own rna component as a template, elongate the length of telomere, increase cell life and even induce cell immortalization

    端粒酶( telomerase )是由端粒酶rna和蛋白質組成的一種核糖核蛋白復合物( rnp ) 。端粒酶含有引物特異識別位點,能以自身rna為板,逆錄合成端粒dna並加到染色體末端,使端粒延長,從而延長細胞的甚至使其永生化。
  4. This paper studied two - dimension model of rotor and cylinder and builded the finite element model. generally take the rotor and the cylinder as control objects , definite their boundary conditions , solute their temperature fields , and then analyst their bear expansions and distortions as well as thermal stress distribute , to control the courses , and keep the unit the most optimum operating condition. and put the theories into practice developed by c + + program, used as the important part of the online monitoring and management system of life of the steam turbine

    本文對汽輪機子和汽缸的二維型的進行分析,建立有限元型;將汽輪機子和汽缸作為控制對象,確定其邊界條件,求解其溫度場,分析其熱膨脹、熱變形以及熱應力分佈;採用c + +語言編制汽輪機高壓缸、中壓缸以及缸體的溫度場實時在線監測程序,作為汽輪機在線監測與管理系統的核心部分,用以指導汽輪機的啟停及運行過程,使機組可以安全的、經濟的運行。
  5. The direct analysis method has more efficient than the line programming for the shakedown analysis of contact surface layer, therefore, the mentality of shakedown analysis of contact surface layer was introduced based on the direct analysis method as follows : first, the direct method for shakedown analysis was presented and its application to a two - dimensional rolling / sliding contact problem was demonstrated. the direct method consists of operator split technique, which transforms the elastic - plastic problem into a purely elastic problem and a residual problem with prescribed eigenstrains, and an incremental projection method to determine the eigenstrain

    這些方法各有創新,其特點是計算速度快、收斂性好及精度可靠,計算規避免了彈塑性隨動強化分析的非線性的影響,並使彈塑性問題化為殘余問題和線彈性問題,適用於滾動、滾滑及滑動接觸失效分析,從而有效地解決了接觸體安定性分析與裂紋萌生預測的實際問題,也是本文對表面強化接觸失效的安定分析成為可能。
  6. In practical application, the m10 180 bolts, which are installed in the head cover of the torque divider of ts5560 special automobile, sometimes fracture all of a sudden. according to the tests of acceleration, stress and strain, and the exciting test, it is resonance vibration that leads to the compound - bending fatigue fracture of the bolts. the exciting force caused by drive system, transmitted through the torque divider, produces a 1000 - 1500hz cyclical excitation at the junction of the bolts and head cover, which causes the first order bending resonance vibration of the bolts

    通過加速度、應力應變測試實驗和激振試驗的研究,發現ts5560特種車分動器取力器氣缸端蓋m10 180螺栓斷裂問題是由於共振引起的雙向彎曲疲勞斷裂:傳動系統工作所產生的激勵,經過分動器結構的傳遞(特別是分動器一階扭態的放大) ,在螺栓的連接處產生1000 1500hz的振動激勵,其導致螺栓一階彎曲共振,在螺栓一階彎曲態的阻尼比較小的情況下,使得螺栓產生較大的共振響應,導致螺紋處的彎曲動應力較大,疲勞較低。
  7. The experimental and simulation results show that using the improved structure of inlet header can greatly improve flow uniformity, decrease pressure loss, enhance the efficiency of twc, attribute to prolonging the service life of the machine, and lessen the power decrease caused by twc, but the light - off time of twc is retarded

    通過擬與試驗表明,與常規結構催化化器相比,組合型入口管可明顯改善流動均勻性,降低壓力損失約1 / 4 ,提高催化化器效率,延長使用,減小對發動機動力性的影響,但起燃變慢。
  8. Since 1960s, the mechanical strength reliability and structural system reliability, whose main failure modes are fatigue and service life, has achieved a great deal of development and been applied to engineering machine, aeronautical and astronautical engineering, electric apparatus, bridges, ship, civil engineering etc. with the developing of space technology and tendency of machine towards high speed, precision, automation, one realizes the importance of mechanism reliability based on the accuracy of motion, for the errors of mechanism occurred more often than that of structure, especially in the field of aeronautical and astronautical engineering and operate system of weapon

    上個世紀60年代以來,以疲勞、為主要失效式的機械強度可靠性、結構體系可靠性研究得到了很大發展,並迅速應用於工程機械、航空航天、電器設備、橋梁、船舶、土木工程等。隨著空間技術的發展以及機械的高速精密化、自動化發展,人們逐漸認識到以機構動作參數的準確可靠為主要指標的可靠性問題日益突出,因為在很多機械上機構的故障多於結構的故障,尤其是在航空航天及武器操縱系統方面。由於這些機構的運特性,振動可靠性的研究亦佔有突出的位置。
  9. Abstract : the numerical method of fatigue analysis based on fea is discussed. and the evaluation of fatigue life in bolster design has been given using i - deas

    文摘:討論了基於有限元技術的疲勞分析數值方法,並用i - deas的疲勞評估塊對貨車向架的搖枕進行了疲勞評估。
  10. Based on the idea of satisfying the function with the lowest lifespan cost of value engineering, the article tends to choose the winner of the bidder with work frame of value engineering, namely, converts appraising of technical bid, commercial bid, especially bid appraising without given bid price and appraising of major unit price items of the commercial bid, which is different from practice in traditional bid appraising process, into flow chart of value engineering and converts the complicated multi - objectives decision making process into simple comparison of the mathematic figure

    基於價值工程以最低的周期總成本完成滿足用戶要求的功能的核心,探討了在評標過程中遵循價值工程的理念,將清單計價式下的技術評審,商務評審,特別是商務評審中有別于傳統計價式的無底招標、主要單價評審納入到價值工程的工作流程中,將標書的評審換為對每個有效投標人的價值系數的簡單數學比較,並以此作為選擇中標人的依據。
  11. At last, a buried - channel ccd ( bccd ) is simulated by the developed software. the influences of some parameters such as the gate length, the gap width between the gates and the depth of the channel to the performance as charge handling capacity and charge transfer efficiency of the bccd are discussed. and the dark current is also analyzed

    最後利用該軟體實際擬了電注入的埋溝ccd器件,詳細討論了柵長,柵間隙寬度和埋溝深度等參數對該結構ccd的電荷容量和移效率的影響,同時,還分析了少子對暗電流的影響。
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