齒根面 的英文怎麼說
中文拼音 [chǐgēnmiàn]
齒根面
英文
flank of tooth-
Old and bent, ashy pale and toothless, he managed with the help of two crutches, to totter into the king ' s presence
他人老背駝，面色蒼白，牙齒脫落，在兩根拐棍的幫助下，蹣跚而行，來到國王的面前。Methods : we have divided the 636 molars ( without dental caries or pathological changes of root ) collected in school of forensic medicine and stomatological hospital in shanxi medicine university into four groups : maxl, max2, manl, man2, and selected 5 indexes closely related to changes of dental age ( dental attrition, contact area, the index of dentine marrow cavity, the thickness of cementum of root, the diaphaneity of dentine of root ), and proposed the grading standard and scoring standard date processing and statistical analysis after measuring the teeth of the four groups
方法：從山西醫科大學法醫學院及口腔醫院收集的636磨牙（無齲壞、無根尖病變）分為max1 、 max2 、 man1 、 man2四組，根據牙齒的增齡變化特點，篩選了5個與牙齡變化密切相關的指標（牙齒的磨耗、接觸區面積、牙本質髓室指數、根尖牙骨質的厚度、根尖牙本質透明） ，提出了指標的分級標準和評分標準，對各組的牙齒測量后進行數據處理和統計分析。Results : all the five indexes ( dental attrition, contact area, the index of dentine marrow cavity, the thickness of cementum of root, the diaphaneity of dentine of root ) revealed a highly interrelated relationship with age. regression height was significant when the multiple regression equation, which was formulated with these five indexes and age and used to judge the age was statistically analyzed
結果：牙齒的磨耗、接觸區面積、牙本質髓室指數、根尖牙骨質的厚度、根尖牙本質透明均反映出與年齡高度相關關系，用這5個指標與年齡所建立的判別年齡的多元回歸方程經統計學分析，回歸高度顯著。Analyse the tooth geometry of klingelnberg cyclo - palloid spiral bevel gear., according to the relative position and kinematic relation of the cutter heads, virtual crown gear and the processed wheel blank, established the system of coordinates of the gear cutting, dedcuced the tooth face equation of the virtual crown gear, according to relations of the gear cutting and space theory of engagement, deduced the tooth face equation of klingelnberg cyclo - palloid spiral bevel gear, and drawing the three - dimensional graphs of the virutal crown gear and klingelnberg cyclo - palloid spiral bevel gear according to the design and setting parameters
對克林貝格擺線齒錐齒輪進行齒面幾何分析。根據銑齒加工中刀盤、搖臺和輪坯的相對位置和相對運動關系建立了切齒嚙合坐標系，由矢量的旋轉推導了產形輪齒面方程;根據空間嚙合原理和切齒嚙合關系推導了被加工齒輪的齒面方程;由設計參數和銑齒調整參數計算得到齒面離散數據，繪制了產形輪和擺線齒錐齒輪的三維齒形。In order to solve the problems of which the spiral bevel gear of oerlikon type is necessary to out and modify repeatedly, a new method was developed to predict the contact pattern and greatly reduce the cost for manufacturing by means of building a tooth contact analysis model of prolate epicycloids bevel and hypoid gears for oerlikon skm2
摘要為解決奧利康錐齒輪加工過程中需要反復試切、修正的問題，根據奧利康skm2機床建立了加工延伸外擺線齒錐齒輪和準雙曲面齒輪的齒面接觸分析模型，提出了一種可預測齒面接觸質量、降低設計加工成本的新方法。Cases of furcation that involve particular anatomical configurations, i. e., interradicular root proximity / fusion, have long been considered relative contraindications for treatments such as root amputation or hemisection
在面對根岔侵犯並加上牙根合併或緊鄰的問題時，牙根切除術或牙齒切半術，在傳統上均被視為禁忌。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 thesis developed the optimization design software of geometric parameter for the worm gear including strength check module, the drawing contact lines module, the change lines of tooth thickness of worm, and the parametric modelling software for the reducer which includes parametric modelling of parts and assembly. the cad prototype system is very convenient because of its accessible interfere, simple operation and written in chinese. by input design parameters ， the cad system can make optimization design and strength check for the worm gear ， draw contact lines of tooth flank of worm - gear and change line of tooth thickness of worm ， judge if the tooth flanks of worm undercut and if the sideward tooth of worm - gear hob come to a point ， make project design and structure design for the reducer and draw its 2d parts and assembly
研究和開發了平面二次包絡環面蝸桿傳動的參數優化設計和校核軟體系統：包括幾何參數設計計算模塊，強度校核模塊，繪制齒面接觸線模塊，蝸桿齒厚變化曲線模塊和蝸桿根切判別模塊；開發了平面二次包絡環面蝸桿減速器外形與結構尺寸數據庫以及傳動效率數據庫，建立了平面二次包絡環面蝸桿傳動公差及極限偏差數據庫；開發了平面二次包絡環面蝸桿減速器參數化建模軟體：包括零部件的參數化建模模塊和裝配圖的參數化建模模塊，其中零部件的參數化建模包括蝸桿軸系的參數化建模、蝸輪軸系的參數化建模、箱體的參數化建模、端蓋的參數化建模、軸承的參數化建模和其它零部件的參數化建模軟體模塊。Abstract : the therortical calculation of the bending stress of the root and experimental stress analysis on the modified profile and the standard involute tooth profile were made with the finite element method and the electric resistance strain film method. this indicated that the modified profile was supe rior to the standard involute profiles in terms of the bending strength
文摘:分別用有限元和電阻應變片法對修形齒形和漸開線齒形進行齒根彎曲應力計算與實驗應力分析.結果證明在彎曲強度方面修形齒形比標準漸開線齒形更優越It is shown from results that increasing carburizing time further in the normal technology can not obviously deep the carburizing layer, but can cause nonmartensite microstructure at the bottom of the gear and coarse grain across the gear, these will heavily decrease the fatigue life of the gear
結果表明：在正常滲碳淬火工藝基礎上再延長滲碳淬火1小時，齒輪滲碳層深度變化不大，但其齒根局部表面處有非馬組織，且晶粒尺寸易產生異常長大現象，從而致使臺架疲勞壽命明顯下降。After being improved, the gear surface contact fatigue strength obeys weibull distribution and stress obeys normal distribution, the gear bottom bend fatigue strength and stress obey logarithm normal distribution, according to the relation of average safe rate and reliability, then the gear strength reliability design and check equations can be deduced
將齒面接觸疲勞強度按威布爾分佈、應力按正態分佈處理，將齒根彎曲疲勞強度和應力均按對數正態分佈處理，再根據平均安全系數和可靠度之間的關系，推導出了齒輪強度可靠性設計和校核公式。On the condition of “ many - head ” and “ small drive ratio ” ， the plane double enveloping hourglass worm can not settle the problem of undercutting and sharpening simultaneously. it has devoted to a new type hourglass worm _ sphere double enveloping hourglass worm. the coordinate system is established according to the frock. the meshing equation and the tooth equation of worm and gear have been developed and the distribution of contact line on gear tooth is analyzed. to evaluate the meshing quality ， four meshing quality indexes and five original parameters are put forward. through mass programming computing ， the relations between meshing quality and original parameters are derived and depicted by graphs
考慮到平面二次包絡環面蝸桿傳動在多頭小傳動比條件下根切與齒頂變尖的矛盾很難同時解決且嚙合性能較差，介紹了一種新型環面蝸桿傳動? ?球面二次包絡環面蝸桿傳動.在研究過程中，根據工裝建立了坐標系，根據一二包過程的運動關系推得了嚙合方程和蝸桿與蝸輪的齒面方程，分析了蝸輪齒面上的接觸線分佈.為了評價嚙合性能，提出了4項性能指標和5項原始參數，通過大量編程計算得到了嚙合性能指標與原始參數之間的關系，並以圖表直觀的表示Established the system of coordinates of roll testing, getting the parameters of equation of tooth face by solving the non - linear equations set ; according to the differential geometry and meshing principle, deduce the curvature parameters of tooth face and tooth profile, and get the parameters of instantaneous contact ellipse. emulate the contact trace and contact area of the working tooth face, and drawing the instantaneous drive ratio error curve
建立了克林貝格擺線齒錐齒輪嚙合分析的對滾模型，通過對非線性方程組的迭代求解，得到齒面方程的各個參數;由微分幾何和切齒嚙合原理推導了齒面上齒廓和齒線方向的曲率參數，得到了瞬時接觸橢圓的參數。根據設計參數和機床調整參數繪制了工作齒面的接觸軌跡和接觸區圖形，並求得了瞬時傳動比的誤差曲線。Spur and helical gears - definitions and allowable values of deviations relevant to radial composite deviations and runout information
齒輪和螺旋齒輪.第5部分:齒輪齒根嚙合面偏差容許值和定義Cylindrical gears - iso system of accuracy - part 1 : definitions and allowable values of deviations relevant to corresponding flanks of gear teeth
圓柱齒輪. iso精度體系.第1部分:齒輪嚙合對應齒根面的相應偏差定義和容許值Cylindrical gears. iso system of accuracy. part 1 : definitions and allowable values of deviations relevant to corresponding flanks of gear teeth
圓柱齒輪. iso準確度體系.第1部分:與齒輪齒對應齒根面有關的偏差的容許值和定義5 、 as adding the friction of the spiral bevel gear, the variety of the contact stress of teeth surface and the bending stress of teeth root vs the different meshing position are presented
5 、初步探討了考慮干摩擦的情況下，螺旋錐齒輪副動態嚙合過程中齒面接觸應力及齒根彎曲應力隨嚙合位置變化的規律。It is not like expert system, which needs repeat three periods - conceptualization, formalization and improvement. in this paper, research the fault gears " three models by the vibration signal. pick up the character vector by using the wavelet packet and energy method as the ann input neural vector
本文以齒輪箱為研究對象，在齒輪正常、齒根裂紋、齒面非正常點蝕三種模式下，對振動信號加以分析，運用「小波包?能量」法提取出信號特徵量，作為神經網路的輸入向量，採用包括有輸入層、單隱層和輸出層的bp網路。Considering effects of major factors on root section stresses, 2d and 3d dynamic finite element models are accurately established and then the history of both the stresses - loads at the test - points and the deflection - loads at the loading points are evaluated
綜合分析影響齒根應力的重要因素的基礎上，創建了精確的二維和三維動態有限元模型，計算出齒根危險截面測點的應力歷程和受載點的變形歷程。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。分享友人