預緊 的英文怎麼說

中文拼音 [yùjǐn]
預緊 英文
pretension
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 緊 : Ⅰ形容詞1 （物體受到幾方面的拉力或壓力以後呈現的緊張狀態） taut; tight 2 （物體受外力作用變得固定...
  1. This spring is a key part for ensuring normal operating of aira. stress and beforehand close quantum of helix torsion spring of rectangle section is educed by some conclusions of mechanics of materials and compute formula

    該彈簧是保證調整臂正常工作的關鍵件，本文從材料力學的結論出發，詳盡地推導了該彈簧應力及其初始預緊量的設置，並給出它們的計算公式。
  2. Using the optimum calculating method, some important technical parameters could be determined, that is, optimum supporting force, allowable deformation of rock mass, cross section area of u - shape set, pre - tight force and diameter of the bolt as well as torque to provide optimum supporting force

    用這一計算方法能求出巖石恆阻支護的重要技術參數，即最優（小）恆阻支護力、圍巖最大允許變形量、恆阻u型鋼支架的截面積、聯接螺栓的預緊力和直徑及最優支護力的擰緊力矩。
  3. The results show that decreasing the driving voltage, primitive cavity, pre - tightness force of spring, and the mass of mobile elements can improve the performance of solenoid

    通過降低驅動電壓，減小初始氣隙，降低彈簧預緊力，減輕電磁閥運動部件的質量，均可以提高電磁閥的性能。
  4. This paper proves that the changes of pre - compression on the windings have effects on their natural frequencies and derives their relation, which provides the experimental and theories foundation for fault diagnosis of large - scale electric transformers

    通過對大型變壓器繞組進行振動實驗和根據建立的變壓器繞組軸向振動數學模型的理論推導，闡明了變壓器繞組預緊力的變化與其固有頻率變化之間的關系，這為大型變壓器的故障診斷提供了理論與實踐依據。
  5. 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。
  6. According to the analysis of the table lookup, the graph method and the simulating formula method of selecting bolt diameter without controlling pretightening force under dead load were presented in this paper

    摘要通過對查表法資料進行分析，提出了靜載時選擇不控制預緊力的緊螺栓聯接螺栓直徑的圖線法和模擬公式法。
  7. Abstract : based on the fuzzy mathematics, it establishes the rules of the fuzzy reliability design for the bolt - joint set, discusses the effect of pre - tighten force and the axial changing load on the set, and shows an example

    文摘:將模糊數學理論引入可靠性設計中，考慮預緊力和軸向變載荷狀態的影響因素，建立螺栓聯接的模糊可靠性設計準則，並給出了設計實例。
  8. Combines with a concrete subject, this paper, composed of seven chapers, makes a deep analysis on theory and experiment of key bolt fastening of engine. the first chapter presents the theory of tightening technology of the available bolt the second chapter gives a narrating about tighten technology availably in survey. pointing that the nature of torque control is axis preload

    本文結合一具體課題，第一章敘述了可控螺栓擰緊技術的理論，第二章綜述了可控擰緊技術，提出了扭矩控制研究的實質是控制螺栓的軸向預緊力。
  9. The 60mn hot die forging hydraulic press, with weight 30 % reduction of the main body compared with the traditional hydraulic press because of plate frame structure designed through new idea by adopting transverse pre - tightening technology mainly embodying the design and manufacturing level of the heavy - duty hydraulic presses at modem times, the first one with independent intellectual property right designed by china itself and a transverse pre - tightening plate - frame hydraulic press with max. tonnage in the world at present

    摘要60mn熱模鍛液壓機，採用橫向預緊技術，創新設計了板框式本體結構，與傳統液壓機相比，機械本體重量減少了30 % ，採用的主要技術集中體現了當代大型液壓機設計和製造技術水平，成為中國自行研製的具有自主知識產權的首臺，並且也是目前世界上最大噸位的橫向預緊板框式液壓機。
  10. The knowledge on the properties of used materials is urgently needed for reasonable life - prediction and life - distribution. as cylinder bolts are concerned, they often rapture at the first tooth - root resulting from lower high temperature strength of their material and higher stress. since bolts operate at high temperature environment, creep skew and damage causing their failure are important factors that can not been neglected

    就汽缸螺栓而言，由於螺栓材料的高溫強度偏低，預緊力過大，常常在螺栓的第一齒根部位發生蠕變脆性斷裂，因其長期在高溫環境下工作，蠕變變形和蠕變損傷是其失效的一個不可忽略的重要因素。
  11. Preload and fatigue life of high strength bolt

    高強度螺栓的預緊力及疲勞壽命
  12. Chapter three makes clear the importance of preload, and deals with the theories on the relationship between preload and torque, angle and extension of the bolt from various aspects

    第三章由扭矩控制的實質? ?預緊力，點明了預緊力的重要性，預緊力與擰緊力矩、螺母轉角、螺栓伸長的關系，對其進行了理論方面的研究和探討。
  13. If we can accurately ensure the rigidity coefficient, the result of mathematic analysis method can approach the fact accurately by applying contact mechanics theory, we can deal with the lining and lining as contact problem of two bodies. using pretension bolted solid finite element simulate bolt at linings. thus not only considers perpendicular rigidity but also considers the tangent contact rigidity

    （ 4 ）通過運用接觸力學的理論，將管片與管片的接頭抽象成為兩個體與體的接觸問題，在管片處的螺栓採用有限元中的實體螺栓預緊單元進行模擬，這樣不但考慮了管片與管片處的法向剛度接觸而且考慮了管片與管片間的切向接觸剛度。
  14. Under the normal environment there is pressure on the vibrator, if there is tension with the vibrator the separation phenomenon would appeared. the appearance of this phenomenon can made the system lost it nature function

    預緊結構的正常工作環境是處于受壓狀態的，而正常工作條件下是不允許有滑移、接觸分離現象產生的。
  15. At last, in according to the experiment results, the interpretation of the mechanism of the slip phenomenon of prepressing - contact spring - damping system was given in this dissertation. further more, the relationship among the limit frequency, the value of prepressing, excitation frequency, the amplitude of excitation and the materiel parameter was analyzed. base on the theory analysis the limit frequency formula was given, and the contact - slip condition for engineering application was concluded

    最後根據理論研究與試驗分析的結果，分析預緊接觸式彈簧阻尼系統產生滑移現象的機理以及共振峰值漂移現象的理論解釋，並通過定性分析接觸分離時的頻率與預緊量、激勵頻率、激勵力幅值以及墊層的材料參數之間的關系，提出能定量描述系統出現滑移現象的極限頻率公式，總結了預緊接觸式結構始終保持接觸的條件。
  16. Analysis and theoretical guiding for cushion bolt tighten of small safety catcher

    小型防墜器的緩沖器螺栓預緊力的分析及理論推導
  17. A new method of pre - tightening for king diameter coupling bolt

    大直徑聯接螺栓預緊的一種新方法
  18. In this paper the author describes a way of determining the residual pre - tightening force after adding elastic elements to the connecting bolt at the flange on ball mill ' s shell and therefore a formula is induced

    闡迷了球磨機筒體法蘭聯接螺栓增加彈性元件后其剩餘預緊力的確定方法，並導出了相應的計算公式。
  19. In the experimental research, the experiment equipment was firstly design, and the value of prepressing can be change by adjust the distance of two soleplates

    在試驗方面，先設計出能夠達到試驗目的的設計方案，再設計出能夠調整預緊力大小的試驗裝置。
  20. At home and abroad the theory and experimental research about 6 - dof force / torque sensor are deep analyzed and synthesized. based on these, the pre - strained 6 - dof force / torque sensor is further studied and analyzed. at the same time, the prototype of the pre - strained six - dimension force sensor on the steward platform is produced

    本文針對國內外有關多維力傳感器的理論分析與實驗研究進行了比較深入和系統的分析與綜述，在此基礎上，對整體預緊平臺式六維力傳感器進行了進一步的理論分析和研究，並研製出了六維力傳感器的樣機和實驗標定加載臺。
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