鉆頭牙輪 的英文怎麼說

中文拼音 [zhēntóuyálún]
鉆頭牙輪 英文
bit cone cono de taladro
  • 鉆 : 鉆Ⅰ名詞1. （打眼用的工具） drill; auger 2. （指鉆石） diamond; jewel Ⅱ動詞（用尖物在另一物體上轉動） drill; bore
  • 牙 : 名詞1. （牙齒） tooth 2. （象牙） ivory 3. （形狀像牙齒的東西） tooth-like thing 4. （姓氏） a surname
  • 輪 : Ⅰ名1 （輪子） wheel 2 （像輪子的東西） wheel like object; ring; disc 3 （輪船） steamer; steamboa...
  1. Based on the tribological principle and the theory of contact mechanics, it is feasible to adopt curvature - changing structure in the rock - bit journal bearing system. the structure and coupling relationship of curvature - changing journal bearing under the condition without friction have been analyzed and three kinds of sub - form structure configurations, namely, the pseudo - curvature - changing structure, the conformable curvature - changing structure, and the clearance curvature - changing structure, been differentiated according to the contacting features. the shape optimization and pre - running - in regulations of the contact surface of curvature - changing journal bearing under friction condition have been established. the results of rock bit journal bearing test indicate that the tribological behavior of the bearing can be effectively improved by curvature change based on both designing and pre - running - in

    基於摩擦學原理和接觸力學理論，提出了可在牙輪鉆頭滑動軸承中採用變曲率結構.在不考慮摩擦的情況下，就結構設計和配合關系等問題進行了分析討論，劃分了準變曲率、吻合變曲率以及間隙變曲率等3種結構形式；針對考慮摩擦時的變曲率結構，提出了接觸形狀優化和預磨合的實施方案.鉆頭軸承試驗結果表明，無論是預設計變曲率還是預磨合變曲率，都能改善軸承摩擦副的摩擦學特性，因而值得進一步研究和推廣
  2. Contact stress analysis on the bearing of single - cone bits

    單牙輪鉆頭軸承接觸應力分析
  3. The computer simulation model study of singular one - cone bit

    異形牙輪單牙輪鉆頭的計算機模擬模型研究
  4. Study on pz modular roller - cone bit and rock drilling technology

    系列組合牙輪鉆頭及其嵌巖技術的研究
  5. Analysis of the factors of the cutting efficiency about single - cone bit

    影響單牙輪鉆頭切削效率的原因分析
  6. High speed journal seal of cone bit design and finite element method analyze

    高速牙輪鉆頭軸承密封副設計與有限元分析
  7. Blast hole tricone rock bits

    礦用三牙輪鉆頭
  8. Steel tooth bit

    鋼齒牙輪鉆頭
  9. Tri - cone rock bit is the important tool in oil drilling, so its capability and quantity affect the speed and cost of oil drilling greatly

    三牙輪鉆頭是石油鉆井的重要工具，其性能和質量對鉆井速度和成本影響很大。
  10. But now the use of the spherical one - cone bit shows that the teeth are abrade heavily in advance, which affects the velocity and life of the bit

    但是目前油田上使用的球形單牙輪鉆頭由於牙齒先期磨損嚴重，影響了鉆頭的機械鉆速和壽命。
  11. The structure of tri - cone rock bit is complicated. as the cutting structure touch the stratum directly, it affects the process of breaking rock and the performance of tri - cone rock bit

    三牙輪鉆頭結構復雜，其中齒面結構直接與地層接觸，對于巖石破碎過程和鉆頭工作性能的影響最大。
  12. A new type rod damping stabilizer for rotary drills ispresented. it can increase the service life of rotary bit by about 27 % and its own life is over ten thousand meters. as a result, good econom ic benefit can be obtained

    介紹了牙輪鉆機用的一種新型減振穩桿器，提高牙輪鉆頭使用壽命27 %左右，其本身使用壽命超萬米，獲得了良好的經濟效益。
  13. 14 drilling with cone ( drag ) bit in the section

    此段地層採用牙輪（刮刀）鉆頭鉆進。
  14. The recent development trend of cone bits is to realize their high speed. faster the speed of bit is, the more weak of common bearing seals worked under the rough environment is

    牙輪鉆頭目前的發展趨勢是實現高速化，隨著鉆頭轉速的不斷提高，在惡劣環境下工作的普通軸承密封這一環節的薄弱性將顯得越來越突出。
  15. According to achievements in research, using face - radial sealing structures can adapt to the developing trend of increasing rotary speed of cone bit to a certain extent in lubricating system of bearing seal, which is cramp to bit service life

    本文的研究表明，在偉l ]約鉆頭壽命的軸承密封潤滑系統中，採用端面一徑向組合密封結構能夠在一定程度上適應牙輪鉆頭轉速提高的發展趨
  16. To enhance the reliability of bearing seal of cone bit, this paper plans to adopt face - radial combination sealing structures ; that is to say, end - face and radial seal are arranged in one bit simultaneously. the nonlinear finite element method is applied to analyze and optimize the design of sealing structures

    為了提高牙輪鉆頭軸承密封的可靠性，本文設計採用端面-徑向組合密封結構，即在一隻鉆頭中同時布置端面和徑向密封，採用非線性有限元方法對密封結構進行分析和優化。
  17. 3. solve the key problem during the 2d engaging design of the tri - cone rock bit. if you move or rotate any insert with mouse, the other two inserts in the same cycle change same positions

    解決了三牙輪鉆頭二維嚙合設計中的關鍵技術?聯動布齒，通過鼠標移動和旋轉任意一個牙齒，同一齒圈上的其它兩個牙齒做相同的位置變動。
  18. Dental handpieces - high - speed air turbine handpieces

    手持式牙科器械.高速空氣渦輪鉆頭
  19. With the development of the new technology of drilling, the exploitation of deep well and over - deep well needs small size bit. because one - cone bit has the advantages of the three - cone bit and the pdc bit and it makes for their disadvantages, so the one - cone bit is the important chose to drill the small well

    隨著鉆探新技術的發展，開發深井和超深井技術要求鉆頭尺寸小型化，由於單牙輪鉆頭具有三牙輪鉆頭和pdc鉆頭的優點，同時又彌補了二者的不足。
  20. By means of the software of pro / e we studied the movement of the bit and obtained some data reports about different parameter bit. in the environment of visual basic the trace program can compute the well - bottom outline. it also can draw the trace and the velocity curve that the teeth scrape the well bottom

    分析方法是在pro / e中對試驗鉆頭進行運動模擬，得到不同結構參數和傳動比的鉆頭運動的數據文件，然後進入用visualbasic高級語言編制的異形牙輪單牙輪鉆頭分析軟體中，計算出鉆頭的井底輪廓曲線，並繪制鉆頭井底軌跡和牙齒刮切井底的速度曲線。
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