針形閥 的英文怎麼說

中文拼音 [zhēnxíngfá]
針形閥 英文
annular valve
  • 針 : Ⅰ名詞1 （縫衣物用的工具） needle 2 （細長像針的東西） needle like things 3 （針劑） injection; sh...
  • 閥 : 名詞1 （指在某方面有支配勢力的人物或家族） established house or power group; a powerful person or...
  1. All needle valves must be closed on test kit

    檢測組件上的所有針形閥必須關閉。
  2. Needle valves have nps / internal pipe threaded ends

    針形閥配置nps內管螺紋連接埠。
  3. Before starting test, all needle valves on test kit must be closed

    在開始檢測前，檢測組件上的所有針形閥都必須關閉。
  4. Bar - stock needle valve

    桿控針形閥
  5. Needle valves are intended for use in applications that require precise metering control

    針形閥適用於要求精確控制的應用場合。
  6. Angle needle valve

    彎角針形閥
  7. In this paper, according to the need of developing new style column, new style fixed - valve tray - rectangular fixed - valve tray with fold edges and common rectangular fixed - valve tray were studied from experiments and cfd simulation

    本文針對開發塔設備新類型的需要，從實驗和cfd模擬兩方面對新型的固定閥塔板-帶折邊矩形固定閥塔板以及普通的矩形固定閥塔板進行了研究。
  8. Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc

    本文根據大量的國內外文獻，對研配液壓機的工作原理及設計結構進行了簡介；對位置同步的控制方法進行了比較分析，提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制電液比例同步控制方案；在此基礎上著重對比例閥控非對稱缸建模，最後得到位置控制系統的總體數學模型，從理論上對同步系統動態特性進行了分析，並用pid控制器進行參數整定，減小雙缸同步誤差、提高系統的動態響應性能；其中控制性能的分析藉助于matlab軟體中的simulink工具箱，由已建立的數學模型形成模擬模型，得到可視化的模擬結果，從而利於交互方式下調整參數，了解不同的參數對系統的影響，優化同步系統的動態性能；在深入了解系統的動作特性后，對plc控制研配液壓機的原理進行了探討，針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃，編制出研配液壓機動作控製程序，在編程中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。
  9. Xh rubber slowly - closing cut - off vavle is a new water supply and drainage vavle with full rubber structure, duck - mouthed appearance and functions or positive flow - in and reserve cut - off. according to thrust analysis and calculation as well as different operation mechanism and different rubber products by special processing. all will be open at weak hydraulic pressure is higher, the vavle gate will open more greatly and the water flow is greater. at reserve operation, the vavle gate closes naturally and seals tightly cut - off vavle ; the back pressure is higher, the vavle gate closes more tightly and the seal effect is better. it is used widely in various drainage exit to prevent from pouring backwards and flowing backwards in city planning, water conservancy and sewage disposal etc. it is the ideal productto replace flap vavle

    Xf型橡膠緩閉逆止閥是一種全橡膠結構外形呈「鴨嘴狀」 ，具有「正向流入反向逆止」功能的新型給排水閥門產品。它根據受力分析和受力計算，針對不同的工況，採用不同的設計機理，選用不同的橡膠配方，並按特殊工藝製作而成。正向工作時，水由進水口流入，微小的水壓，便能打開閥門，水壓越大，閥門開啟越大，水流量越大。
  10. Computer auxiliary study on cavitation and damage in hydraulic valve abstract applicant : li zhibo supervisor : associate professor hu guoqing professor lin qi a phenomenon of cavitation and damage in flow field and the principle of cavitation and damage in hydraulic valve and its influencing factors are studied in the paper

    所以液壓閥內的空蝕空化研究是經濟建設中一個非常重要的課題。本文討論了流場內部的空蝕空化現象的形成機理及影響因素，主要針對液壓閥內空蝕空化現象進行研究。
  11. Yoke sleeve ? aluminum - bronze yoke sleeve minimizes operating torque. larger sizes have needle bearing type thrust bearings

    軛架套管?鋁青銅軛架套管最大程度減少操作扭矩。較大通徑的截止閥配置針形軸承類型的止推軸承。
  12. Following the development trend of valve cad, according to the requirements of the chengdu chengfeng valve limited company and based on mdt, this article develops the 3d parametric valve design system. the main work and achievements are as follows : based on the 2d engineering drawing of the several different valves the company provided, the 3d parametric basic drawing - base is set up using mdt which is a 3d design platform, including all the parts drawings and the general assemblage drawings of the valve models ; in accordance with the common steps of the valve design, the parameter editors are designed to edit, import and export the valve parameters and are provided with the function of double synchronization on parameters displaying for convenience in use ; in order to meet demands of users and make the design more accurate, reliable and practical, the assistant formula calculators are developed, which can automatically do all types of structure calculation in the procedure of valve design, and export the calculation manual of valve design ; in order to make designers more rivalries, taking full advantage of internetmntranet technology, the virtual design center is developed, which integrate netmeeting, terminal service and super links, so that the designer can directl y use applications on remote server, communicate with other designers on intranet / internet, share software resources and realize long - distance cooperative design

    根據閥門cad發展趨勢，針對成都乘風閥門有限責任公司閥門設計現狀，本課題基於mdt三維設計平臺開發了閥門三維參數化設計系統，主要完成的工作和成果如下：根據公司提供的幾種不同結構閥門的二維工程圖紙，利用mdt三維設計平臺建立了三維參數化基本圖形庫，其中包括所有零部件和總裝配模型圖及二維工程圖；依照閥門設計的一般步驟設計了參數編輯器，用來對閥門尺寸參數進行編輯、輸入、輸出等，具有參數雙向同步顯示功能，使用十分靈活方便；根據用戶的需求，為了使設計達到精確、可靠、實用的要求，設計開發了輔助計算器，能自動完成閥門設計過程中所需的各種結構計算，並可以輸出閥門設計計算說明書；為了使設計人員更具有競爭力，本系統利用internet intranet技術設計開發了虛擬設計中心子模塊，虛擬設計中心集成了網路會議、終端服務、超級鏈接等功能，可以讓設計師直接使用服務器上的應用程序，與intranet internet上的其他設計專家進行交流、共享軟體資源，實現遠程協同設計。
  13. This paper discussed the relationship of the flow capacity and the inner structure, completed the numerical simulation of flow field and the characteristic of resistance, set up the finite element model and done the finite element calculation of the existing component and the improvement component of the cleaning valve, and done the experimentation manner

    對清洗液閥門現在的型號和改進的型號的流道形狀建立有限元模型，進行有限元分析計算，獲得相應的過流能力的值，並進行比較，提出提高過流能力的新方案，並針對理論計算提出實驗系統方案。
  14. The influence of needle tip changes on the diesel engine performance

    噴油嘴針閥頭形狀變化對柴油機性能的影響
  15. ( 1 ) wave shape is analysed by excel, and mathematic module is built

    （ 1 ）利用excel對針閥升程信號的波形進行回歸分析，建立針閥升程曲線的數學模型。
  16. Open needle valve " a " high side and vent needle valve to vent air from bypass hose

    開啟針形閥「 a 」高端和排氣針形閥，從旁路軟管排放空氣。
  17. Meter needle type globe valves

    儀表針形截止閥
  18. Connect bypass hose between vent needle valve and loosely connect to test cock no. 1

    在排氣針形閥上連接旁路軟管，並將其鬆散連接到測試旋塞1號上。
  19. Needle valves shall have predictable flow patterns with ( 8 ) molded in increments on the body

    針形閥應該在閥體上具有8個增量模式的可預測流量標記。
  20. Install a needle valve in the control line. if uneven pressure should cause the regulator to pulsate, its action can be stabilized by throttling the valve

    在控制管線上安裝一個針形閥。如果不穩定的壓力導致調節閥波動，則這種波動通過對閥門節流將穩定下來。
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