精加工精度 的英文怎麼說
中文拼音 [jīngjiāgōngjīngdù]
精加工精度
英文
accuracy of finish-
Research and analysis on material and machining for aerocraft engine gear
航空發動機齒輪材料及加工精度分析研究In fact, stuff quality of space grid structures member, manufacturing accuracy and construction management are major factor that influence development with high quality and high - level of space grid structures, space grid structures commonly with large span, and more is public buildings, important buildings, mass man under it, dearness equipments on it, erecting at high level, hardest strengthen when happen problems
事實上,當前網格結構構件的材料質量,加工精度以及施工管理是影響網格結構高質量高水平發展的主要因素。網格結構一般跨度較大,而且多為公共建築,重要建築,下面人員眾多,設備貴重,網架建在高空,出了問題極難加固。In addition, in the previous design, the leak of fuel is serious during the valve ' s operation, which is impermissible for the credibility of sealing. in the newly design, by using ansys, the reason that causes the leak has been analyzed in detail. it is found out where the key part is and some suggestions are put forward to improve the structure of the valve
其次,由於在前期設計中,電磁閥在工作過程中泄漏較嚴重,在優化研究中,採用有限元分析的方法對電磁閥研配部件間的泄漏情況進行了研究,對機加工精度、研配長度對密封可靠性的影響進行了分析,找出了泄漏最嚴重的部位,並提出了改進措施。The structure character of chain nest is analyzed. a set of easy structure and easy usage milling tool are designed and made. the processing precision is ensured and design standard is reached
分析了鏈輪鏈窩的結構特點,設計、製造了一套結構簡單、使用方便的銑削工裝,保證了加工精度,達到了設計要求。Test methods for performance and accuracy of wood planers
木工刨床的性能和加工精度試驗方法A zero clearance elastic sleeve positioning jig for lathe is presented to better solve the machining accuracy problem of such parts
介紹一種在車床上使用的無間隙彈性套定位工裝,較好地解決了此類零件的加工精度問題。It is required for the radome to be machined with high geometrical accuracy and to meet a very special demand in electrical performance. however, there have never been before available technologies and equipments for machining the radome precisely and satisfactorily, which has become an urgent problem to be solved in the key engineering r & d of the national defence
由於天線罩屬三維復雜曲面硬脆材料的薄壁零件,結構復雜,加工精度要求高且非常特殊,目前尚無現成精密加工技術和工藝裝備可用,極大地制約了天線罩製造精度的提高,是我國先進型號導彈研製過程中亟待解決的問題。Test code for performance and accuracy of numerically controlled knee type vertical milling machines
數控膝形立式銑床性能和加工精度試驗規程The errors of mechanism which include errors of manufacturing components, assembling and controlling and the errors caused by temperature growth and elastic deformation of forced components affect directly the processing precision of virtual - axis machine tools
機構的誤差直接影響虛擬軸機床的加工精度,機構誤差包括構件製造誤差、裝配誤差、控制誤差和由溫度變化和彈性變形引起的誤差等。A good vibration damping measure is very important for the enhanced working accuracy of machine tools, especially for that of ultra - precision machines. taking the sub - micron cnc ultra - precision turning machining for an example, this paper illustrated the vibration damping design features on configuration and material selecting, and put the emphasis on the vibration analysis of air spring vibration and aero - static bearing spindle. the theoretical analysis and experimental result have proved that the vibration damping measure is practical
良好的減振措施是提高機床,特別是超精密機床加工精度的重要技術之一.本文以亞微米超精密車床為研究對象,論述了該機床從結構到材料選取上的減振特點,並重點進行了空氣彈簧和空氣靜壓軸承主軸減振分析,由理論分析和實驗表明:減振措施合理,減振效果良好But because of the number of axis increased, the factor and the complexity that influent the working accuracy increased too
但是由於聯動軸數的增加,影響機床加工精度的因素及復雜性也相應增加。Abstract : the rigid aid _ support fixture is presented for solving the problems of manufacturing thin wall and suspended workpieces of instrument and meters, which are elastically deformed and thus difficult to machine to the accuracy
文摘:為解決儀器儀表中薄壁件、懸伸件彈性變形大,加工精度難以保證的問題,設計了一種剛性輔助支承夾具。Seat face stellited, ground and lapped to a mirror finish. conical seat machined to 8 rms
閥座面為鎢鉻鈷合金,經過研磨拋光達到鏡面光潔度。錐形閥座經過機加工,精度達到8rms 。This article analyzed the system of the whole characteristic of the drumshaped gear with ring - involute teeth mechanism. thought of the influence of manufacture ’ s precision and the assembling accuracy to the design of mechanism ’ s steady and the system of control, we used the dynamics simulation software adams to analyze it on the base of establishing the 3d model and entity model. so we can get some property curved shape about it
本文還對漸開線柱齒鼓形齒輪傳動機構的整體動態特性進行了系統分析,考慮了加工精度和裝配精度對運動裝置的穩定性及裝置控制系統設計的影響,在建立了該齒輪傳動機構的三維模型和實體模型的基礎上,利用動力學模擬軟體adams對傳動模型進行了動力學和運動學分析,得出了整個裝置運動的一些動力學特性曲線。Influence of micro - advancement on the accuracy of machinery processing
分析微量進給對機械加工精度的影響Whether the locating datum is chosen correctly or not influences the improvement of the machining precision greatly
摘要定位基準選擇正確與否,對于提高機械加工精度有著重要影響。The error compensation software for cam precision grinding has been developed, and results show that the cam grinding accuracy can be ensured and the productive can be improved. ( 1 ) by using the method of movement error analysis of mbs, the geometric error model of sk - 21 nc machine tool has been established, and the calculation equation for precision processing of nc machine tool has been derived, which lays a good foundation of programming the error compensation software
基於該磨床目前的狀態和已有的研究成果,本課題展開了以下主要研究工作: ( 1 )以多體系統運動學理論為基礎,建立精確的sk - 21數控凸輪磨床運動模型,全面考慮各項結構誤差和運動誤差對加工精度的影響,推導出精密加工約束條件方程,揭示機床實精密加工的實質。The experimental result shows that it can improve significantly the abrasive resistance and increase the service life of the moving parts of shiplock by optimizing the match of supportive materials for abrasion and the value of their hardness, improving the precision and roughness of abrasive parts in the process of production, and applying correct lubrication method to the abrasive parts
實驗結果表明:對船閘摩擦副材料及硬度值進行合理的匹配,提高船閘運轉件摩擦副零件的加工精度及表面粗糙度,以及運用正確的潤滑方式對摩擦副進行潤滑,能顯著提高零件的耐磨性能,較大地延長了船閘運轉件的使用壽命。At present, the " entire image - stabilization " is used in most of the seekers of the missiles ; this kind of image - stabilization system is characterized with broader scanning range. but it has many shortcomings, such as increasing the weight of the objects stabilized, high demand on the process precision of the optical component, complex structure of the gyroscope, difficulties in installing and adjusting it
目前,大多數導彈的導引頭的穩象都採用「整體穩象」 ,這種穩象系統具有搜索范圍大等特點,但被穩定物重量增大,對各光學元件的加工精度要求高,陀螺結構復雜,裝調困難等缺點。Test code for performance and accuracy of numerically controlled turret and single spindle drilling machines with vertical spindle
數控轉塔和立式單軸鉆床性能和加工精度試驗規程分享友人