振動弧 的英文怎麼說
中文拼音 [zhèndònghú]
振動弧
英文
arc of oscillation-
Abstract : in this paper, the reason arisen from the noise of the bx1 ac arc welder is analysed. for the main factor, moving core viberating, the measure to reduce the noise is advanced from three hands, inside and outside slide. the other measure is also advanced for the second factor
文摘:對bx1系列交流弧焊機噪聲產生的原因進行了分析，針對產生噪聲的主要原因? ?動鐵芯的振動，從三個方面、內外滑道分別提出了具體的降低措施，並對次要原因也提出了具體降低措施。Abstract : guiding accuracy of casting mould depends on structure and oscillation parameters, such as elastic deformation of guiding leaf - springs, play of bearings between linkages, stroke and frequency of mould oscillation, etc. in this paper, these factors are studied by means of kinetic and dynamic analysis of oscillating mechanism
文摘:通過對連鑄機結晶器振動機構的運動學和動力學分析，研究了導向板彈簧的彈性變形、連桿軸承間隙等結構參數及振幅、振動頻率等運動參數對結晶器仿弧誤差的影響。In order to solve need badly three - ring type gear reducer ( problems of high vibration, high temperature and short spin arm bearing life in operation, by means of power separation flow, elastic ring equilibrating load, tardy down and assimilation vibration of synchronous belt transmission, and mechanism balance principle, the author designs a new type three - ring type gear reducer with arc tooth synchronous belt transmission, the gear reducer is fully balancing, equilibrating load and reducing vibration and phase difference 180 ( of mass eccentricity
為解決一般三環減速器振動大、溫升高和轉臂軸承使用壽命短等生產中迫切需要解決的問題，依據功率分流、彈性環均載、同步帶緩沖及吸振和機構平衡原理，設計出了一種具有圓弧齒同步帶傳動的完全平衡、均載減振，偏心相位差為180的新型三環減速器。A comparison of the flows with different gate - opening rates shows the causes that opening the gate at a higher rate is favorable to the reduction of cavitation, gate vibration as well as the gate load fluctuation. in addition, a study has been made to show the influence of the high - speed jet flow coming downward from the narrow gate gap on the flow condition in the tunnel downstream to the gate
通過分析比較不同閥門開啟速率對流動特性的影響，闡明了快速開啟閥門不僅有利於減少空化空蝕也有利於減小弧門振動和啟門力的脈動，此外，研究了門楣處狹窄縫隙高速射流對門后流態、壓力脈動和弧門受力等方面的影響。With the development of machine manufacturing industry and acute competition of the international market, the spiral bevel gears, as the important basic parts in machine transmission, are required with higher and higher behavior in vibration, noise control and dynamic strength. this problem has long been paid attention by domestic and overseas many experts, and become a crux and top goal
隨著機械製造業的發展和國際市場競爭的日益劇烈，對機械傳動的重要基礎件? ?弧齒錐齒輪的強度和噪聲要求愈來高，弧齒錐齒輪的振動、噪聲、動強度等，一直引起各國有關專家的廣泛關注，成為齒輪生產中的關鍵技術和制高點。Unsteady separated flow, produced during the gate - opening period in the reverse radial gate tunnel of a high - lift shiplock, is characterized by negative pressure and high velocity as well as their intense fluctuations in space and time and could easily result in various harmful phenomena such as cavitation, gate vibration and sonic boom, which have been observed and confirmed by prototype and physical model tests
高水頭船閘輸水反弧閥門開啟過程中，后廊道內發生急變分離流，負壓、高速水流以及壓力與流速的劇烈時空脈動變化容易誘發空化空蝕、門振和聲震等有害現象已被原型觀測和物理模型試驗研究證實。Vibration - resisting electricity contact pressure meter is used for occasion by environment quake vibration excle in pulsaling lash by medium - resistant and suddenly unload ; usually it is make use of form a complete set by relevant eletric device ( such as relay and contact appliance and so on ). so realized attain auto - control post a letter ( give an alarm ) for pressure system by survey. compare with ordinary for a special model electricity contact pressure meter, zhe indicator ' s function by survey pressure more stabilize, more accurate, and powerful of resist eletric arc, and it is use for even more long life
耐振電接點壓力表，適用於環境劇烈振動場合，可耐介質的高強脈動沖擊及突然卸荷；通常該儀表經與相應的電氣器件（如繼電器及接觸器等）配套使用，即可對被測（控）壓力系統實現自動控制發信（報警）的目的，與普通專用型電接點壓力表相比，指針測壓性能更穩、準，且抗電弧強大，使用壽命更長。Digital displayer, pleasing massage on the neck, rollers moving up and down along the back, multiple modes for intelligent controlling, soft artificial sponge inside, conveying structures without noise, arc wheels massaging up and down integrated with knocking and vibration
屏面數碼顯示，舒適的頸部按摩，上下式滾背按摩及多種智能控制模式，柔性人造海綿內膽，靜音傳動機構，其將弧擺上下移動和叩擊振動有機相結合。The software can design many conventional type of cam, concluding cam - plate with middle follower, cam - plate with offset follower, cylindrical cam, dividing cylindrical cam, and cylindrical cam with space curve, etc. in forming working curves of cam - plate, used the approximation by arcs which can lessen the nodal points on curves of cam uttermostly in same error, so it reduce the computation time and relieve the chattering of principal axis. in former times, to cam mechanism, the follower only has one direction motion
本軟體可以設計的凸輪類型較多，包括了對心移動從動件盤形凸輪、偏置移動從動件盤形凸輪、圓柱凸輪、圓柱分度凸輪和空間曲線柱形凸輪等，其中對盤形凸輪的工作曲線採用了難度較大的圓弧逼近演算法和等誤差演算法，這樣就可以在相同的允許誤差內最大限度的減少生成曲線的節點數，減少計算時間，同時可以大大減輕加工中的振動現象。5 ) using the practical products, we have done experiments and comparisons on designing and generating tooth, testing the contact ratio, tooth root stress, vibration and noise for the high contact ratio spiral bevel gears
摘要5 ）採用實驗研究技術，結合實際產品，進行了高重合度弧齒錐齒輪的設計、切齒、重合度測試、齒根應力測量、振動和噪聲測量等大量對比實驗。In a word, the paper provides an visible software operation platform for the analysis and design of globoidal indexing cam, builds primary model of the mechanism dynamics system, then provides references for the mechanism ' s deep research
最後對弧面分度凸輪機構動力學系統的主要特徵進行了分析，並建立考慮構件慣性，嚙合剛度及參數激勵的條件下的弧面分度凸輪機構的振動分析模型。According to the research development of flow - induced gate vibration in recent years, the paper presents a retrospect and a summary on the relationship between hydrodynamic loads and gate vibration characteristics, the hydrodynamic load characteristics and controlling means, the optimum design methods for gate anti - vibration, the dynamic stability analysis of the radial gate ' s arm, the methods to simulate the gate ' s hydro - elastic vibration, as well as the simulation analysis of flow - induced gate vibration
摘要從水動力荷載與閘門振動特性的關系、水動力荷載作用特點及其控制方法、閘門減振優化設計方法、弧形閘門支臂動力穩定性分析、閘門水彈性振動模擬方法以及閘門流激振動模擬分析等方面，對水工閘門流激振動的研究進行了回顧。分享友人