齒面角 的英文怎麼說
中文拼音 [chǐmiànjiǎo]
齒面角
英文
tooth face angle-
Leaves papery, oval in outline, 6 - 7cm long and 8 - 11 cm wide, base rounded or subtruncate, trilobed or sometimes 5 - lobed ; lobes triangular - ovate, rarely ovate - oblong, apex acute or acuminate, margin serrulate, with appressed acute teeth, sometimes entire near base, glabrous or with tufted hairs at vein axils abaxially ; petiole 2 - 3 cm long, glabrous
葉紙質，輪廓闊卵形，長6 - 7厘米，寬8 - 11厘米，基部圓或近截平， 3裂或有時5裂，裂片三角狀卵形，有時卵狀長圓形，頂端漸尖，邊緣有疏而銳利地鋸齒，有時近基部全緣，兩面無毛或下面脈腋有簇毛；葉柄長2 - 3厘米，無毛。Proceed from the angle of enhancing the backing off grinding accuracy of the special shaped convex curved rake surface, and in accordance with the enveloping theory of differential geometry and the designing model of new configured carbide gear shaper cutters, the mathematical model for backing - off and grinding the special shaped convex curved rake surface of the new configured gear shaper cutters was derived
從提高新構形硬質合金插齒刀異形凸曲前刀面鏟磨精度的角度出發，根據微分幾何的包絡理論及新構形硬質合金插齒刀設計模型，推導出鏟磨新構形插齒刀異形凸曲前刀面的數學模型。The beyond is the simple notation of serial number of pricker, totaled 7 digits of codes, in which the first digit represents the diameter of needle - bar of pricker, the second digit represents the siding of triangle side on functional section of pricker, the third digit represent the length of functional section of pricker, whereas in standard notation, it represents the distance from needlepoint to gradual deflating small port ( lower port ), the fourth digit represents the total length of pricker, which is the distance from the inside of bending helve to the needlepoint, the fifth digit represents the total quantity of dents on the cording of functional section, and the sixth digit represents the model of barb on functional section, while the seventh digit represents the distance between barbs on functional section
以上為刺針編號的簡單寫法，共7位代碼，第一位是刺針針桿的直徑；第二位是刺針工作段三角面的邊寬；第三位是刺針工作段的長度，同標準寫法所不一樣的是針尖到漸縮錐小口（下口）的距離；第四位是刺針的總長度，按彎柄內側至針尖的距離；第五位是工作段棱上的總齒數；第六位是工作段上鉤刺的型號；第七位是工作段上鉤刺與鉤刺之間的距離。Finally, with the help of the program written in asp language, the 3d model of denture, added up with of the human faces, was compounded to provide the preview, in the ways of both fixed and motion pictures. [ results ] 3d digital model of human natural teeth and the corresponding rpd components were successfully developed. with the data base governing the 3d digital model files set up, the program of application written in asp languages was compiled and tested to run without errors, completing the initial foundation of 3d - preview system for clinical and educational practice in prosthodontics
平臺開發是利用三維編輯軟體3dsmax製作了正常天然牙列和口腔修復學中整鑄可摘局部義齒的各組成部件、精密附著體及其他的一些相關三維模型，建立了基於sql - server的數據庫管理系統，以供方便地調用各種三維模型，合成牙列和修復義齒三維模型，再引入人頭模型引擎，通過三維模型製作多角度平面渲染圖或四川大學碩士學位論文三維動畫，作為素材上傳數據庫供二級用戶調用。If the pixelated characters in donkey kong seem too jagged, you can pop up a menu and choose an option that smooths the pixels to look almost like a hand - drawn cartoon
如果大金剛里由像素組成的角色圖像出現鋸齒狀，你也可以叫出選單，要機器柔化像素，好讓畫面類似手繪的卡通。Finally aiming at the sawtooth chip discussed the calculating problem of sawtooth chip measure and put forward edge draft method applying to angle and length ' s calculation
最後針對鋸齒型切屑，討論了有關鋸齒型切屑尺寸測量方面問題，提出了邊緣擬合的方法進行角度及長度的測量。An automated de - noising algorithm based on the energy of wavelet packet not donoho ' s threshold algorithm is established. a gear feature vibration signal extraction method using the wavelet packet energy is proposed, which can separate gear meshing vibration, noise vibration and gear fault vibration signal from the original gearbox case vibration signal. basis pursuit ( bp ) algorithm is introduced into the filed of mechanical signal de - noising and feature extraction for the first time
第三章擺脫了donoho的閾值消噪思想，從能量的角度建立了基於小波包的自動消噪演算法；提出基於小波包能量分佈的齒輪故障特徵信號提取方法，可以將齒輪嚙合振動信號、干擾振動信號以及故障沖擊振動信號從原始齒輪振動信號中分離出來；首次將基追蹤消噪演算法引入到機械故障信號的消噪與特徵提取上，通過對齒輪故障信號的消噪，表明了它的有效性，並對影響該方法實際應用效果的因素進行了全面的分析，同時也指出了該方法存在的局限性。3. the trapping characteristics of ordinary helical gear pump are lucubrated by theory for the first time, the theoretic relation of the gear rotor between the end overlap coefficient and trapping phenomenon is discussed respectively with clearence or without clearcence, and the relation of trapping volume with the rotational angle turn is also discussed. the selective range of the helical angle that can eliminate completely the trapping of helical gear pump is gained, which never appeared in literature before
首次對普通斜齒齒輪泵的困油特性進行深入的理論研究，分別討論了有側隙和無側隙時普通斜齒齒輪泵轉子的端面重合度與困油現象之間的理論關系，以及困油容積隨轉角的變化關系，得到了完全消除斜齒齒輪泵困油沖擊的螺旋角機械科學研究院博士學位論文的選擇范圍。Equations of mesh, shorting contact line, undercutting limit line, meshing limit lines and the existence conditions, angle between the direction of relative speed and the direction of contact line, induced normal curvature about every point on the contact line are established. moreover, the paper also theoretically analyzed the error of the grinded gear surface. on the basis of the theory, the computer program is worked out to automatically produce the contact line and the boundary curves of mesh. analysis of meshing circs under different parameters can be done so that we can gain the best process condition
首先對漸開面二次包絡理論進行了深入的探討，推導出了兩次嚙合的嚙合方程式、瞬時接觸線方程式、根切界限線方程式、嚙合界限線的方程式及其存在條件，相對運動速度方向與接觸線方向的夾角及接觸線上各點的誘導法曲率；此外，還對磨齒后工件的齒面誤差進行了理論分析；並在理論基礎上編制了相應的計算機程序，自動生成接觸線族及嚙合界限線，對不同參數條件下的嚙合情況進行分析，可以使工藝條件達到最佳狀態；最後研究了磨齒裝置，設計了磨齒機的傳動系統。Tooth surface equations and contact line equations of the involute worm gearing are established according to its machining methodology. meshing characteristics in rigidity condition are studied. these characters include the inductive normal curvature along the contact line on the worm surface, the first and the second limit lines during the engage of the worm gear, and the influence of the intersect angle between the contact line the relative velocity of the worm and the gear on transmission performance
根據漸開線圓柱蝸桿傳動的創成方法，建立了漸開線圓柱蝸桿和蝸輪的接觸線方程式、齒面方程式，分析了漸開線圓柱蝸桿傳動的剛性嚙合特性，如蝸桿與蝸輪嚙合時的誘導法曲率、一類界限曲線、二類界限曲線和蝸桿與蝸輪間相對速度方向和接觸線方向的夾角對傳動性能的影響； 2Through systemic analyzing on spiral helical gear transmission with different basic parameters, the essay found out rules of how can such basic parameters influence spiral helical gear engagement characteristics. so it brings forward the auxiliary assembling mode of adopting one straight gear and one helical gear on condition of little axial angle as well as treasures to ameliorate ill engagement performance on condition of large axial angle, another two jobs of the essay are to clarify the wrong concept that spiral helical gear can only transmit movement but not impetus and to provide a brief and practical method of analyzing contact for gear pairs whose surface equations can be written out directly
通過對不同基本參數的螺旋齒輪傳動進行系統研究，找出了螺旋齒輪基本參數對其嚙合特性的影響規律，提出小軸交角條件下可採用一直齒輪、一斜齒輪的齒輪副組合方式，給出了大軸交角條件下嚙合性能不良的改進措施。澄清了螺旋齒輪只能傳遞運動不能傳遞動力的誤區，為能夠直接寫出齒面方程的齒輪副進行齒面接觸分析提供了一種簡便、實用的新方法。The motion of the drive is also demonstrated. the paper mainly concludes the following works : the paper introduces the meshing theory of rolling cone - type toroidal drive and the motional relations of all parts, gives the formula of transmission radio. the relation between tooth numbers and helix angle of every parts is found out, and the assemble relation among all the parts is also given
本論文主要包括以下內容：介紹了超環面行星蝸桿傳動的傳動原理及各構件間的運動關系，分蝸桿固定和定子固定兩種情況，給出了這種新型傳動的傳動比計算公式，得出了各輪齒數與計算圓處螺旋升角間的關系和各構件間的裝配關系，從而為該傳動的優化打下理論基礎。Finally, by means of comparing the theoretical tooth surface equation with the tooth surface equation included errors of cutter position and cutter position angle, the quantitative analysis of the theoretical tooth shape and the tooth shape considering the errors of cutter position and cutter position angle was curried out based on the software above. from which, the effect of errors of cutter position as well as cutter position angle on the processed tooth shape and transmitting behavior of this kind of gearing was studied
最後，通過比較雙圓弧弧齒錐齒輪齒面理論方程與加入刀位及刀位角誤差后的齒面方程，應用上述軟體和通過進一步的數值計算，進行了無誤差的理論齒形與加入刀位及刀位角誤差后所得到的實際齒形之間的定量分析，比較直觀、方便、準確地對刀位及刀位角誤差對雙圓弧弧齒錐齒輪的齒形以及傳動的影響進行了初步研究。Secondly, this article studies the static working state of the labyrinth seals in steady flow, including the cavity the relative thickness between gear the proportion of cavity depth to cavity width various gears the level angle of gear the influences of helical gear angle and it ' s flowing direction
2 、研究迷宮密封在定常流動下的靜態工作特性，其中主要包括空腔數、齒間相對厚度、間隙與空腔寬度之比、空腔深寬之比、不同齒形、齒面傾斜角、斜齒傾角和流向等的影響。After synthetically studying the effects of loading positions, rim thickness, circular pinion numbers and fillet radii of gear hob on root section stresses, a judging formula of plane stress and plane strain is proposed and verified, then 2d and 3d fem models are accurately established
系統探討了加載位置、輪緣厚度、周向齒數的確定方法，分析了滾刀頂部圓角對齒根應力的影響，提出了兩類平面問題的判據並予以驗證。Special security features have been incorporated into the new definitive stamps. they include the use of a new type of stamp paper with multiple security fibres and an elliptical perforation in the middle of each vertical of the stamp. for high value stamps, iridescent ink is printed in the middle to give a shiny effect when viewing the stamp at different angles
新通用郵票在多方面加強了郵票的防偽特徵，包括印刷郵票選用紙張混有多種纖維，而郵票左右兩邊的垂直中間位置則有橢圓齒孔；高面額郵票的中間部分更以幻彩變色油墨印刷，即使從不同角度觀看，郵票都充滿光澤。In the study of the flash temperature, the formula is given for the flash temperature by the heat exchange theory. the effects of geometric and operating parameters on the flash temperature are studied
在面齒輪傳動齒面瞬時溫升的研究中，利用傳熱學基本原理，推導了齒面瞬時溫升的基本公式，求解了各有關計算參數，研究了模數、壓力角、傳動比等參數變化時對齒面瞬時溫升的影響。Magnetic sensors are an important branch that can be used to detect the non - electronically characteristics through the magnetic field. the insb magnetosensitive sensor in this paper is designed for the fine measurement of the turning gear. through the sensor, the information of the angular velocity the gear is changed to electric pulse which can provides to other second instruments
通過磁場的無接觸特性，對非電量的測量是磁傳感器應用的一個重要方面，本文所研究的insb磁阻式轉速傳感器即是針對于轉動物體的轉速進行高精度無接觸測量的一類傳感器，它可以把轉動的齒輪的角速度信息轉換成電脈沖信號，供二次儀表使用。分享友人