軸傾斜度 的英文怎麼說
中文拼音 [zhóuqīngxiédù]
軸傾斜度
英文
shaft declivity-
Automatic eletronic biaxial tiltmeter
自動電子雙軸傾斜度測量儀Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece
將液體火箭發動機燃燒室的冷卻通道設計為斜航線(等傾角螺旋線)槽形,可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大,所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點,提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜,手工編制數控加工程序難度大.為了解決數控加工程序的編制問題,研究了斜航線的數學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母線輪廓回轉體外表面上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大,加工難度大,是斜航線冷卻通道加工的最典型工件.經過理論分析和實際切削實驗,研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術,已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用,驗證了所開發的斜航線冷卻通道加工方法的正確性和可行性.這些加工技術的研製成功,對其他相似類型零件的加工亦具有參考意義The angles of masticatory muscles and base plane are 63. 9 in massater muscle, 114. 55 in temple muscle, 64. 4 in medial pterygoidp muscle
小型豬牙長軸傾斜度分別為:上頜第一磨牙6 . 1度,下頜第一磨牙為6 . 5度,上頜第三前磨牙為7 . 3度,下頜第三前磨牙為3 . 8度。Excessive mesial - axial inclination of the mandibular second molar or inadequate posterior arch length cause the mandibular second molar to become impacted against the distal contour of the first permanent molar
摘要下顎牙弓空間不足或第二大臼齒本身過度的近心軸向傾斜,常造成第二大臼齒前傾和阻生。The x - y tilt sensor is used for correcting the bias of vertical and horizontal anglecaused by the surplus tilt of vertical axis after the instrument is leveled
傾斜(水平度)傳感器是當儀器整平后,對垂直軸的剩餘傾斜值作垂直角和水平角的改正。And we analyzed the effect of the big gun erect axis incline trunnion axis is out of the vertical of the erect axis and the big gun axis is out of the vertical of the erect axis to measuring accuracy
對矢量轉軸公式進行了推導,並利用它計算出了火炮豎軸傾斜、炮耳軸與豎軸不垂直、炮膛軸線和炮耳軸不垂直三種誤差對測量精度的影響。Since the rotational axis of the earth is tilted from the revolution axis by 23. 5, the sun, for example, rises at different directions at different times during the year
由於地球的自轉軸相對于公轉軌道平面傾斜了23 . 5度,再加上地球的繞日運動,所以太陽東升的方位角會隨日子改變。The results show that there are two centers of occurrence of llsw respectively in dong bei and jiang nan ; the regional torrential rain over the yangtze river basin is closely associated with llsw during the major periods of heavy rainfall ; the diurnal variation of the number of occurrence in the middle and low reaches of the yangtze river is the strongest in china there are some significant differences between llj and nallsw in positive season, spatial variation, diurnal variation and field of pressure. by the way, the important effect of inertial stability on heavy rainfall with both low level south - westerly jet and high level northerly strong flow is analyzed theoretically. the results show that the existence of the maximum of inertial stability in the left font of the low level jet is favor of the accumulation of the moist thermal energy, and conditional symmetric instability or convective instability can be expected in this region
另外,慣性穩定性的作用以往不受重視,本文通過對西南低空急流左前方和高空偏北大風軸右後方的慣性穩定性和對稱穩定性的理論分析和實例計算,表明慣性穩定性在伴有高低空急流的暴雨中有重要意義,揭示了梅雨暴雨的一種新的高低空急流耦合機制:低空急流左前方慣性穩定度大值區的存在,有利於低層濕熱能量的積累,使低層傾斜對流的不穩定發展更多期望于條件性對稱不穩定或對流不穩定;高空偏北大風軸(西風急流)的存在,是其右後方(右側)出現對稱不穩定的有利條件,高空相對容易出現干對稱不穩定;慣性穩定性的作用,使低層的傾斜對流更偏向於垂直方向,有利於對流發展,使高層的傾斜對流更偏向於水平方向,有利於高層輻散。A flap vlave used in pumping station is a kind of hydraulic - operated automatic gate, which is similar to a hinged check vaive. because of their simple structure and reliability, being able to shorten the length of outlet passage and facilitate the starting of pumping system in comparison with siphonic vacuum - distroied cutoff scheme. so it is propitious to be used and save investment but at the same time, flap valves always show some disadvantage
因拍門簡單、可靠,與虹吸真空破壞截流閉鎖方式相比,可以縮短出水管道(流道)長度,並利於泵系統起動,與快速閘門相比,拍門也有諸多優點,閘門門體易關閉不到位或卡住不能活動,因為門槽和?塊較軸孔容易殘留異物,閘門門體克服滑動阻力不僅無機械增益,且阻力和動力不在一直線上,門體易傾斜而自鎖,而拍門的工作可靠性則遠高於快速閘門。Author thinks that the direction of the maximum plastic distortion along a constant radius around the crack tip may be considered as the direction of shear - mode fracture ( named pmax - criterion ) and the load when located shear band prongs the ligament in the front of crack tip is regarded as the limited load of shear - mode fracture. ( 3 ) the fad ( fracture assessment diagram ) of titled crack is proposed based on achievements of mesomechanics about i - ii complex ductile fracture of metal, and the titled crack is classified two kinds : void - mode fracture is assessed by fracture assessment curve, and shear - mode fracture by limited load. ( 4 ) using a fe program based on plantle - ressue theory to calculate some mesomechanical parameters, a flange joint structure of a high pressure vessel ( design pressure 31. 4mpa and the thickness of the hemispherical head is half of that of shell. ) is analyzed to determine whether the structure under operation pressure is safe or not, forecast the mode of potential invalidation and argue for the rationality of design of the structure
試件的整體斷裂為剪切型,但在試件芯部裂尖鈍化區中部出現了韌窩型啟裂並有一定的擴展,說明局部較高的應力三軸度也會使韌窩型機制得以發展,但是不改變試件整體的剪切型斷裂模式;對韌性斷裂的剪切模式的細觀機理做了一定的探討,並且提出了含裂紋構件剪切型斷裂的宏觀判據:認為裂紋前方的集中剪切帶中與裂紋尖端等半徑處最大有效塑性應變出現的方向可以作為裂紋剪切斷裂的方向(可簡稱為_ ( pmax )準則) ,集中剪切滑移帶貫穿裂紋前方承載韌帶時的載荷可以作為極限載荷;本文運用金屬韌性斷裂細觀力學在一復合型韌性斷裂方面的研究成果,採用失效評定圖的形式,提出了傾斜裂紋的安全性評定方法的基本框架。In new state standard < < machining center testing items - accuracy testing > > [ refering to iso / dis10791 ], issued in 1999, the test of straightness accuracy has been changed. now it becomes more scientific and reasonable. in old state standard, the testing of straightness accuracy of kinetic part only focus on vertical and " horizontal plane, and it only includes two linear errors ; but in new state standard, we not only measure those two linear errors, but also measure the errors of pitching, deflecting, and inclining of the kinetic part, so it includes two linear errors and three angle errors
1999年公布的國標《加工中心檢驗條件?精度檢驗》 (參照iso dis10791訂)中,直線度等項的檢測做了更為科學的實質性更改,坐標移動的直線度以由只檢測垂直面和水平面內的兩個平移線值誤差,改為用移動坐標方向之外的另兩個坐標的平移線值誤差和移動部件繞三個坐標軸的俯仰,偏擺和傾斜三個角值誤差綜合表徵。1. firstly, the mathematical model of fiber pair with the factors of reflector shape and inclination is established. then, the numerical simulation is fulfilled, along with a series of rules of the influence on intensity modulation property caused by multimode fiber parameters, the factors of reflector shape and inclination
然後,採用數值模擬的方法系統地研究了多模光纖參數(包括光纖對軸間距、光纖芯徑和光纖數值孔徑) 、反射面傾斜因子以及形狀因子對rim - fos強度調制特性的影響規律。With the help of this program, this paper does research on the moved backwards of the slide surface, lengthening the anchor section, the soil nail ' s total force, gets conclusion about relations between the soil nail ' s length and the slope ' s grade, height, soil ' s mechanical parameter ; relations between soil nail ' s total force and coulomb soil pressure. with the help of the large multiuse finite element program ansys, this paper analyzes the soil nailing in one - step ' s slopes, in two - steps " slopes, puts the emphasis on the axis force ' s distributing along the soil nail at each rows, the effect of both the excavating mode and the original slope figure to the axis force of the soil nail, the one another effect between the upper - step slope and the nether - step slope in the soil nail ' s axis force, gets conclusion about the design of soil nail at the first low, different slope body is the same with different excavating mode, the original slope figure has more effect to some than others because of the slope body, the reasonably design of the step width in two - steps slopes, the two - steps excavating and retaining has more virtue than the one - step ' s. through soil pressure analysis this paper does research on the differences and the links between the coulomb soil pressure theory and the rankin ' s, the vertical pressure at the slope surface when the slope surface is inclined and the retaining wall is rough, the soil pressure ' s distributing behind the panel, gets conclusion about the effect of both the slope body inner stability and the slope surface local stability to the soil pressure
通過分析比較,論證了對數螺旋線型比圓弧形作為邊坡的假設滑裂面具有較多的工程優點,並為此編制了一個採用極限平衡法分析土釘支護的fortran語言程序,以此作工具對滑裂面的后移、土釘錨固段的超長、土釘總力的大小等方面作了研究,得出了有關土釘的長度與邊坡的坡角、坡高、土體力學參數的關系、土釘總力與庫侖土壓力間的關系等結論;採用大型通用有限元數值分析程序ansys分別對採用土釘支護的一階邊坡、二階邊坡進行分析,重點是研究各排土釘的軸力分佈規律、開挖方式及原始邊坡形態對土釘的軸力的影響、上下階邊坡在土釘軸力方面的相互作用,得出了有關第一排土釘的設計問題、不同類型的土體應適用於特定的開挖方式、原始開挖出的邊坡形態對一些類型坡體的邊坡土釘支護有較大的影響而對另外一些影響不大、二階邊坡臺階寬度的合理確定、二階開挖及支護比一階時具有較多的工程優點等結論;通過土壓力分析對朗肯、庫侖兩種經典土壓力理論的區別與聯系、坡面傾斜及墻背有摩擦時的坡面豎向應力分佈、面板背土壓力的分佈形態作了研究,得出了邊坡支擋土壓力受坡體內部穩定與坡面局部穩定兩個方面的影響、土釘支護面板背土體中卸荷拱的存在對面板受力有利等結論。System is coordinated controlled based on serial communication between the computer and plc. the followed variables are controlled : the rotational speed of the seeding device driven draft, the operation of the converter, stability and speed of the convey belt, and inclination of the test platform, which is done to simulate actual working condition of seeder
設計了基於串列通訊的微機與plc集成控制方案,控制內容包括:排種器驅動軸轉速控制、變頻器的控制、傳送帶的穩定性及速度控制、工況模擬過程中的試驗平臺傾斜位置的自動控制等。The influence of the slant on maximum stress in contact area is studied and the axial movement formula is modified. the idea of contact angle is presented to study the direct influence on the axial movement. 2
研究了這種傾斜對接觸區最大壓應力的影響,對回轉窯軸向下滑計算公式進行了修正;提出了接觸角的概念,分析了這種傾斜對窯體軸向運動速度的直接影響。The paper discuss the range of slant angle, deduce angle calculation formulae. the paper gives the calculation methods for three axes angular velocity and acceleration caused by ship swing and target moving
討論了傾斜角度的取值范圍,推導出各軸旋轉的角度公式,對船搖和目標運動引起的各軸角速度及加速度的變化給出切實可行的計算方法。Besides, by reason of its long distance from jupiter, the earth can maintain a rather circular orbit. also the gravitation of the moon can stabilize the tilt of the rotational axis of the earth, thus restricting climatic fluctuation within a narrow range
另外,地球因與木星保持距離,能維持著一個幾近圓形的軌道,加上月球的引力穩定了地球自轉軸傾斜的角度Step 2 : here you adjust the tilt of the secondary mirror to aim the focuser ' s axis at the center of the primary
現在你已經調整了副鏡的傾斜程度,把調焦座的中軸已經對準了主鏡。It is proved by computer simulation that the slant 3 - axes radar can be used in target tracking in the whole air space without blind zone and beam slant. it is pointed out that the slant 3 - axes radar can reduce the maximum angle for elevation axis compared with 3 - axes perpendicular radar, then reduce the technique demand of angular velocity and acceleration of elevation axis
通過模擬驗證了傾斜三軸雷達系統在工程上可以做到波束無傾斜和全空域跟蹤無盲區的結論,並指出此系統與正交三軸系統相比,可以減少俯仰軸的最大轉動角,從而降低系統對俯仰軸的角速度和角加速度的技術要求。With two structures of bore cylindrical or tapered and retainers made of steel sheet or synthetic resins, the bearings are characteristic of their spherically formed outer ring raceways allowing for misalignment within 3 degree deflection between inner ring and outer ring, so as to compensate concentricity and deflection errors
詳細信息:調心球軸承由圓柱孔和圓錐孔兩種結構,保持架的材質有鋼板、合成樹脂等,其特點是外圈滾道成球面形,具有自動調心性,可以補償不同心度和軸撓度造成的誤差,但其內、外圈相對傾斜度不得超過3度。分享友人