振動成型 的英文怎麼說
中文拼音 [zhèndòngchéngxíng]
振動成型
英文
vibratory compaction-
Many large capacity turbine runners in commercial running have come to cracks or vibration problems with different extent in china. therefore, to ensure the large francis turbines running safely and stably is an important issue on design and type selection research
在我國陸續投運的大型水輪機轉輪相繼不同程度地出現振動與裂紋，因此，保證大型混流式水輪機的安全穩定運行就成為設計選型研究的重要問題。Based on a duralumin flexible beam with piezoelectric films attached, distributed parameter modal described by partial difference equations is builded, and then turned into a set of two order systems with the method of modal analyse. state feedback control and independent modal control is investigated. and simulation of the closed - loop system with thest two methods is performed in matlab
並用模態分析的方法，將系統的偏微分方程模型轉化成了模態模型；研究了狀態反饋和獨立模態方法；進一步完善了軟體界面以及軟體功能；在實際系統中，應用狀態反饋演算法，有效抑制了懸臂梁在受到外界瞬時脈沖擾動和激振引起的一階、二階模態振動。Strip - shape underground structures such as the tunnels and tubes for various uses can be treated as a beam on elastic foundation under earthquake condition ， although there exists soil - structure interaction ， the foundation soil vibration is dominant in other words ， analysis of earthquake response of the soil is essential to this end ， simplified models ， ( i. e equivalent mass system models based on some equivalence criteria ) are proposed ， instead of a general 3 - d continuum model in this study ， equivalence criteria are proposed and the simplified models are compared the single - mass - string model is proved to be valid and therefore applied to the analysis of earthquake response of the pearl river immersed tunnel
條裝地下結構如隧道、各種埋設管道等一般可看作彈性地基梁進行靜力及動力分析在地震條件下，結構與土相互作用，但土的振動成為主要因素為分析土的地震響應需把基土這一三維連續體作簡化處理，簡化成為等效多質點模型本文著重探討這種簡化模型的建立方法，推導等效方程，通過幾種簡化體系的分析比較，論證單質點串體系的合理性，並將其應用到廣州黃沙芳村珠江水下隧道工程的地震響應分析，為抗震設計提供依據Active structure acoustic control ( asac ) is the leading field in the area of vibration and noise control. based on the most current academic and experiment results of domestic and overseas in asac, modern robust control theory ( h _ control theory ) and modern hydrokinetics theory 、 solid dynamics theory are used to build the control model of asac in this thesis. and the h _ control experimental system is build based on modern signal processing technology and compter technology
本文在國內外最新的asac理論研究與實驗成果的基礎上，首次將現代魯棒控制理論（ h _控制理論）與現代流體動力學、固體動力學理論相結合，建立了結構振動聲輻射主動控制模型，提出了設計魯棒h _控制器的新方法，並採用現代信號處理技術、計算機技術建立了結構振動聲輻射魯棒h _控制實驗裝置，進行了實驗研究。This paper is about studies of a new type of shale shaker using a new roller - structure screen, which is made by winding the normal flat screen or corrugated pyramid screen into rotter screen, and can be installed on the shale shakers being used in the oil fiem
本文研究了一種採用新型筒式結構篩網的鉆井振動篩，其篩網是將普通平板篩網或波紋錐形篩網卷製成筒形結構，並可安裝在現有的鉆井振動篩上。This dissertation is chiefly act below work : ( 1 ) expatiating the equipments diagnosis technique development process and trend, putting forward the standpoint that giving systematical diagnosis to the mechanical and electrical equipment and expanding the technical application in equipment diagnosis, making it breakthrough the traditional application of maintaining etc. in equipments, still be used for improvement and development etc. s of new product ' s design ; ( 2 ) probing into vibration type and disposal method of vibration signal, the usual method of equipment condition recognition, the essential constitutes and development trend of observation and diagnosis system ; ( 3 ) introducing the development trend of domestic and international crusher and the distinguishing feature of double turnplate stike crusher which is a new product. according to the breakdown phenomenon in running process, establishing the fault tree and deducing every kind of foundation affairs resulting in fault ; ( 4 ) studying the calculation method of critical rotation speed
本文主要做了以下工作： （ 1 ）闡述了設備診斷技術的發展過程及發展趨勢，提出了應結合實際對機電設備進行系統診斷的新的技術思路，用實踐證明了應當拓寬設備診斷技術應用的范圍，使設備診斷技術既可以在設備管理和設備維修中得到應用，也可以用於新產品的設計改進及開發等； （ 2 ）探討了振動的類型及振動信號的處理方法，設備狀態識別常用的方法，監測與診斷系統的基本構成與發展趨勢； （ 3 ）介紹了國內外破碎機的發展趨勢，以及雙轉盤沖擊破碎機這一新產品的結構和特點，並根據試機過程中出現的故障，建立了故障樹，並導出了導致故障發生的各種基礎事件； （ 4 ）研究了臨界轉速的計算方法和原理，用傳遞矩陣法計算出了破碎機內轉盤的臨界轉速。The number of modes should be selected according to the participant coefficient of mode when calculating the internal force by the response spectrum method ; ( 4 ) the roof plate of large base which connect the towers together should be thick enough but not exceeding the proper scope that the towers and the large base can vibrate together, ( 5 ) in structures with large base and muti - towers, with increasing of the capacity of the large base, the inter - story shear force will increase while the inter - story displacement will decrease as to fulfill the ductility request to avoid the large base becoming weak story, but meanwhile, the upper story will turn into weak story, thus the coefficient r s should be within 2. 0 ~ 3. 0
採用振型分解反應譜法計算結構內力時應根據振型參與系數選擇振型避免漏選；大底盤多塔樓結構連接各塔樓的裙房屋面剛度應做得大些，以保證底部裙房與上部塔樓共同振動，但也不能過剛；大底盤多塔樓結構底盤承載力的加強將使底盤層剪力增大、層間變形減小，但易於滿足延性要求，在一定程度上可避免底盤成為薄弱層。但底部加強會導致薄弱層的上移，因此採取提高底盤承載力的措施的效果是有限度的，承載力系數s宜取為2 . 0 3 . 0之間。According to the characters of the vibration of internal combustion engine and on bases of the theory of active vibrantion control which is carefully analyzed, the corresponding mathematical model suitable for the vibration of internal combustion engine is developed and the fuzzy control techniques are adopted. a new active vibration control system is developed w hich conclude mcu, the key part, and the equipment used to survey the vibrative acceleration of internal combustion engine
本文根據內燃機振動的具體特點，在仔細分析了振動主動控制原理的基礎上，建立了適合內燃機整機振動的數學模型和採用了模糊控制方法，提出了一種新的內燃機整機振動主動控制減振系統，該系統以微控制器為核心，配以測加速度和控制機電轉換執行機構組成。Under optimum production conditions, high quality cathode carbon blocks with large size have been made, of which the properties are over the industry standards set by the non - ferrous metal industry in china and satisfactorily meet the technological requirements set by the end - users
通過生產實驗來獲取振動成型的最佳工藝技術參數，生產出了超過國家有色金屬行業標準並滿足顧客技術需要的大規格鋁用陰極炭塊。The factory mainly deals in : flat inclined transfer single double - die stand single multi - die head automatic hollow blow molding machine, storage type plastic hollow automatic molding machine, single dual - pipe extruder, corrugated tube agricultural drip irrigation tube extruder, extrusion machine set for irregular shape products, manual air blower, heavy - duty large -, medium - and small - scale powerful granulator, automatic vacuum suction molding thermoforming packing machine, and high - grade plastic granulator
振興塑膠機械廠主營項目為：平斜移單雙模架單多機頭全自動中空吹塑機儲料式塑膠中空自動成型機單雙管材擠出機組波紋管農用滴灌管擠出機組異型材擠出機組手啤吹氣機重型大中小型強力粉碎機全自動真空吸塑熱成型包裝機高品級塑料造粒機組。Silicon carbide board : it is combined with high purity silicon carbide and ultra fines. shaped by vibration, maded by high sintering
碳化硅棚板：是以高純碳化硅與超細粉結合，經振動成型，高溫燒結而成。To best achieve the working performance of the said concrete, with the help of theology theory in the research, we have analyzed the principle of free - vibration densifying and shaping of mixed concrete, that is, with the perquisite of fluidity, the concrete should have good property of filling - up - space, penetration through voids of fixed steel reinforcement, adherence and prevention from losing water and segregation, and the conflict between anti - segregation and deforming capability should be sorted out
為得到自密實高性能混凝土的最佳工作性能，在研究中藉助流變學理論，分析研究了混凝土拌合物免振搗成型和密實的機理，在大流動性的前提下，要求混凝土具有良好的填充性、鋼筋間隙通過性和粘聚性，防止泌水、離析，解決變形能力與抗離析性能力的矛盾。Qt4 - 15technology description : qt4 - 15 ( 07 new ) automatic machine concrete block is china ' s national conditions, combining the majority of the old and new customers, improved design a suitable - sized customers from all ynamic machine, the aircraft used plc intelligent control, hydraulic transmission, compression molding, such as vibration workers arts, the production of good quality, high efficiency and reliable operation
15型性能與特點: qt4 - 15型（ 07新款）全自動混凝土砌塊成型機是根據我國國情，結合廣大新老客戶要求，設計改良一種適合廣大中小客戶要求全自動成型機，該機採用plc智能控制，液壓傳動，成型振動加壓等工藝，生產質量好、效率高、運行可靠。Qt6 - 20technology description : qt6 - 20 ( 07 new ) with double - layer fabric automatically block molding machine is based on china ' s national conditions, combining the majority of the old and new customers, improved design a suitable - sized customers automatic machine, the aircraft used plc intelligent control, hydraulic transmission, compression molding, such as vibration technology, the production of good quality, high efficiency and reliable operation
20型性能與特點: qt6 - 20型（ 07新款）帶雙層全自動布料砌塊成型機是根據我國國情，結合廣大新老客戶要求，設計改良一種適合廣大中小客戶要求全自動成型機，該機採用plc智能控制，液壓傳動，成型振動加壓等工藝，生產質量好、效率高、運行可靠。A new fluid - structure coupling numerical method is developed in the present dissertation. 2d / 3d navier - stokes equations and low renolds number turbulence model are solved in the fluid zone, while the structure models are solved in the solid zone. the boundary conditions are transferred between the two zones after each time step
該方法採用了準確的數學物理模型，在流體區域求解二維、三維favre平均的非定常navier - stokes方程，在固體區域對于不同的問題求解體振動模型，每一個計算時間步完成後，流體和固體之間傳遞一次邊界條件。Intrinsic pressure horizontion vibration moulding is a novel technology for production of carbon electrode
摘要內壓臥式振動成型是炭電極製造中的一門新技術。Without special forming equipment, the gradient distribution of components and the designed properties of the material can be achieved by the component graded change, layering formation and mechanical vibration. and the study shows that more layers of the structure, smoother transition from one layer to another
在沒有專門的水泥基梯度材料成型設備的情況下，採用組分梯度變化，通過分層布料和機械振動成型的方法，通過合理的控制，基本上保證了組分的相對梯度變化，分層越多，梯度分佈連續性越好。The process parameters involved in the vibration molding technique that was used to make cathode carbon blocks with large size for electrolytic aluminum have been analyzed according to the theory of vibrating technology, and have been optimized in industrial scale production
摘要根據振動成型工藝技術原理，分析了影響振動成型生產大規格鋁用陰極炭塊質量的工藝技術因素。Postgraduate : pu liangtao supervisor : professor shang shouing senior engineer huang gang the research on influence of the post - casting section of continuous rigid bridge suffered vibration of train travelling is preseated in this thesis according to related project. based on theorize analysis, expriments of material properties and members under deformed vibration, verification of isolating and reducing vibration in building as well as construction technology and quality control, the effect of post - casting section suffered deformed vibration is studied thoroughly. through the analysis of 28 tests of shear strength with post - casting section under deformed vibration, the related laws are deduced. and the analysis of finite element method, the studies of quality control and construction technology are also completed
通過現場測試、模型和試塊的模擬振動成型試驗、加載破壞試驗、理論分析、現場減振隔振試驗、施工工藝和質量控制等一系列全面、系統的研究工作，認真、深入地研究了現澆混凝土受火車行駛振動的影響，特別是在約束構件后澆濕接頭區段內現澆混凝土受火車行駛振動影響研究方面作出了開創性的工作，完成了振動使濕接頭區段受到彎曲變形影響條件下的構件模擬振動試驗、抗剪強度試驗。In this paper, on the basis of simple introduction on the machine of intrinsic pressure hofizontion vibration moulding, the problems resulted from the production of carbon electrodes and the corresponding solutions are analysed and discussed, which helps to improve the quality of products
本文主要對內壓臥式振動成型機作了簡單介紹及對使用中所出現的問題作了分析，並對解決方法作了探討，旨在進一步提高產品質量。分享友人