time gear 中文意思是什麼

time gear 解釋
定時齒輪
  • time : n 1 時,時間,時日,歲月。2 時候,時刻;期間;時節,季節;〈常pl 〉時期,年代,時代; 〈the time ...
  • gear : n 1 【機械工程】齒輪,(齒輪)傳動裝置,齒鏈;排擋。2 〈古語〉衣服;甲胄與武器。3 傢具;財物,動...
  1. Automatic gear shifting is the target which people are seeking over a long period of time. it is the significant sign of automobile evolving to the advanced stage and the important technology which desiderate developing and spreading

    自動變速技術是人們長期以來一直追求的目標,是汽車向高級階段發展的重要標志,是當今亟待開發與推廣的重要技術。
  2. This drilling adopts crank connecting link and walking beam percussion mechanism, which make the drilling possess two percussive functions, normal drilling takes connecting link impact as main mode, when encountering special situation and the connecting link impact can not drill, it can transform into hoisting impact, the stroke length can be modulated, it realizes automatic percussive drilling due to continuous operating of connecting link percussive mechanism, these can enhance drilling efficiency and relieve labor intensity ; it adopts pumping reverse circulation to drain slag, which not only resolves the drilling difficulty in special stratum such as pebble and gravel stratum and hard stratum, but also resolves the problem that the percussive drill ' s efficiency is low ; it adopts spur gear differential mechanism as double cylinders lazy tongs of main hoist, which not only ensures the balance state of drilling tool, but also reduces the mechanical design, and reduces the cost ; the bottom plate traveling motion of this drilling machine adopts walking type ; the drilling tower adopts hydraulic pressure uprising, and reduces the assistant operating time

    該鉆機採用曲柄連桿、游梁式沖擊機構,使鉆機具有兩種沖擊功能;正常鉆進以連桿沖擊為主,遇到特殊情況,用連桿沖擊不能鉆進時,可轉為卷揚沖擊,沖程可調,因連桿沖擊機構連續工作,所以實現了自動沖擊鉆進,可提高鉆進效率,減輕勞動強度;採用泵吸反循環的方式排渣,既能有效解決卵礫石地層、堅硬地層等特殊地層鉆進的困難,又很好地解決了沖擊鉆機效率低下的問題;採用直齒圓柱齒輪差速機構作為主卷揚的雙筒同步機構,既保證了鉆具處于平衡狀態,又大大簡化了該機構設計,降低了成本;該鉆機底盤行走移位採用步履式;鉆塔採用液壓起立,減少了輔助作業時間。
  3. It discusses the gear - shift quality in the course of gearshift and uses jerk 、 friction - work and gear - shift time to evaluate

    討論了換檔過程換檔品質問題,採用比滑摩功、沖擊度和換檔時間進行評價。
  4. Tom ? ok, well, it ' s time to kick it into high gear. the deadline ? tomorrow

    湯姆?嗯,好,該加快速度了。明天就截稿了。
  5. It is shown from results that increasing carburizing time further in the normal technology can not obviously deep the carburizing layer, but can cause nonmartensite microstructure at the bottom of the gear and coarse grain across the gear, these will heavily decrease the fatigue life of the gear

    結果表明:在正常滲碳淬火工藝基礎上再延長滲碳淬火1小時,齒輪滲碳層深度變化不大,但其齒根局部表面處有非馬組織,且晶粒尺寸易產生異常長大現象,從而致使臺架疲勞壽命明顯下降。
  6. The reassigned smoothed pseudo wigner - ville distribution ( rspwvd ) is introduced, which has less interference and higher resolution than other time frequency distributions like wigner - ville, choi - williams etc. it is used to detect the multi - knocking of engine such as cylinder, piston pin, valve, crank bearing, connecting rod bearing and jib knocking. a new fault diagnosis technique based on the rspwvd for the engine multi - knocking problem is proposed. by comparing the bispectrum and bicoherence of the gear vibration signals, it is demonstrated that bispectrum has an advantage over bicoherence for feature extraction of such signals

    第四章首次引入一種重分配方法,得到干擾項少而解析度高的重分配平滑偽魏格納維爾分佈( rspwvd ) ;對發動機曲軸主軸承響、連桿軸承響、活塞銷響、活塞敲缸響、氣門響和挺桿響等常見機械異響故障振動信號特徵進行了全面地比較分析;通過對各種異響故障特徵信號的分析研究,提出基於rspwvd的發動機多異響故障診斷策略,利用該策略可以準確識別不同的發動機異響故障。
  7. By analyzing phase angle of meshing geometric drawing position, the theoretical formula of cycloid gear actual operating space of cycloid planetary gear speed reducer is driven, at the same time, fitting a curve, and discussing engineering significance of function curve to combine reality

    摘要通過分析嚙合相位角幾何圖形的位置,推導出擺線針輪行星減速器中擺線輪實際工作范圍的理論公式,畫出了嚙合相位角函數的擬合曲線,並結合實際討論其函數曲線的工程意義。
  8. Whether it or not to improve the lubrication and dynamic performance of gear, at the same time to realize a " green lubrication " type of gear transmission of low cost, energy saving and easy maintenance by means of making use of the frication material ' s lubrication performance and meshed medium ' s elastic deformation

    能不能研究一種利用摩擦副材料的摩擦潤滑特性和嚙合介質的彈性變形,實現既能改善齒輪的潤滑和動態特性的效果,又能實現低成本、節能、易維護的綠色潤滑齒輪傳動?
  9. An automated de - noising algorithm based on the energy of wavelet packet not donoho ' s threshold algorithm is established. a gear feature vibration signal extraction method using the wavelet packet energy is proposed, which can separate gear meshing vibration, noise vibration and gear fault vibration signal from the original gearbox case vibration signal. basis pursuit ( bp ) algorithm is introduced into the filed of mechanical signal de - noising and feature extraction for the first time

    第三章擺脫了donoho的閾值消噪思想,從能量的角度建立了基於小波包的自動消噪演算法;提出基於小波包能量分佈的齒輪故障特徵信號提取方法,可以將齒輪嚙合振動信號、干擾振動信號以及故障沖擊振動信號從原始齒輪振動信號中分離出來;首次將基追蹤消噪演算法引入到機械故障信號的消噪與特徵提取上,通過對齒輪故障信號的消噪,表明了它的有效性,並對影響該方法實際應用效果的因素進行了全面的分析,同時也指出了該方法存在的局限性。
  10. The research on the ground load of landing gear with multi - wheels and multi - struts has been conducted for a long time and the research is quite successful at abroad. however, due to the blockage of the developed countries in technical information as well as the number of aircraft with multi - wheels and multi - landing gear keeps growing

    然而,由於外國在該方面的對中國實行技術資料封鎖,加之我國現有的多輪多支柱起落架飛機數量在不斷增加,因此開展多輪多支柱起落架地面載荷研究有較大的實際意義。
  11. 2. the flux characteristics of ordinary helical gear pump are lucubrated by theory for the first time, on this condition the selective qualification of the helical gear pump is gained

    首次對普通斜齒齒輪泵流量特性進行了深入的理論研究,在此基礎上研究了全齒廓嚙合斜齒齒輪泵流量特性,首次得到了完全消除斜齒齒輪泵流量脈動的螺旋角的選擇條件。
  12. On the condition the trapping characteristics of whole profile meshing helical pump are lucubrated by theory for the first time, and the select range of the helical angle that can eliminate completely the trapping of whole profile meshing helical gear pump is also obtained

    在此基礎上,首次對全齒廓嚙合斜齒齒輪泵的困油特性進行了詳細的理論研究,得到了完全消除全齒廓嚙合斜齒齒輪泵困油沖擊的螺旋角的選擇范圍。
  13. 4. based on the viscous hydrodynamics, the leakage characteristics of newton liquid that is transmitted by helical gear pump are researched for the aim of the least power loss, and the leakage model is founded, the mathematic models of the radial and the axial leakage are gained. at the same time the optimal radial leakage and axial leakage are got, and the numerical calculation is achieved

    基於粘性流體力學,以功率損失最小為目標,首次對牛頓流體在斜齒齒輪泵中的漏流特性進行了研究,建立了泄漏模型,分別得到了斜齒齒輪泵的徑向和軸向泄漏的數學計算模型;同時得到了斜齒齒輪泵最佳徑向間隙和最佳軸向間隙,並在此基礎上進行了數值計算。
  14. 3. the trapping characteristics of ordinary helical gear pump are lucubrated by theory for the first time, the theoretic relation of the gear rotor between the end overlap coefficient and trapping phenomenon is discussed respectively with clearence or without clearcence, and the relation of trapping volume with the rotational angle turn is also discussed. the selective range of the helical angle that can eliminate completely the trapping of helical gear pump is gained, which never appeared in literature before

    首次對普通斜齒齒輪泵的困油特性進行深入的理論研究,分別討論了有側隙和無側隙時普通斜齒齒輪泵轉子的端面重合度與困油現象之間的理論關系,以及困油容積隨轉角的變化關系,得到了完全消除斜齒齒輪泵困油沖擊的螺旋角機械科學研究院博士學位論文的選擇范圍。
  15. It is provided with worm - gear box regulation to have a more accurate depth of paper press. the blade part is driven by independent gear and adjusted by ratchet wrench. it is also equipped with ruler to shorten the time required for blade adjustment

    採用蝸輪箱調節,使壓線深度更加準確,刀頭部分使用單獨齒輪傳動,利用棘輪板手調動,並帶有長尺,使調刀時間縮短。
  16. For the first time, the internal gear is manufactured in nc machine

    首次在數控機床上完成了中心輪內齒圈齒廓的加工。
  17. At the same time, an example for the manufacture of an internal gear shaver is presented through the modification of the longitudinal tooth shape of an external gear shaver

    同時,還列舉了用標準的外剃齒刀經過齒向修形來製造內剃齒刀的例子。
  18. The company has established u - style production line with german gear shaping machine, britain internal / external screw grinding machine and swiss automotive grinding machine ; carried out standardized working and on - time production, informed equipment assembly with flexiable ability, high efficiency

    採用德國高速插齒機、英國內外螺紋磨床、瑞士自動配磨機床等設備按精益生產方式組建u型生產線,實行標準作業和準時化生產,形成了應變能力強、生產效率高,以及柔性化的設備組合。
  19. At one time complex structure and area of weariness crack ( including whole suspension hollow axis of swivel, half suspension adopted axletree, substituting holistic grinding steel wheels for wheel - hoop compounded wheels, different wheel - axletree structure of different locomotives, different transmission chamfer machining step of axletresses and driven traction gear etc. ) centralizing make wave clutter and repeat to disturb recognition of real fault wave

    同時,由於全懸掛空心軸、半懸掛抱軸承等復雜結構車軸的使用和整體碾鋼輪陸續替代輪箍組裝式車輪,各型機車輪軸結構不同,車軸加工臺階和過渡圓角不同,從動牽引齒輪與車軸採用過盈裝配等,在這些結構復雜且疲勞裂紋產生集中的區域,探傷時極易發生波形交織和重復,難以識別真正缺陷波。
  20. Camshaft time gear

    凸輪軸定時齒輪
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