齒的成形 的英文怎麼說
中文拼音 [chǐdechéngxíng]
齒的成形
英文
shaping of teeth-
Dithiocarbamate [ s2cnr2 ( dtc ) ] and it ' s derivates were applied in chemistry 、 medical 、 petrochemical and other fields, it can coordinated with all kinds of transition metals, the anion of bidentate ligand also bridges two transition metals
摘要氨荒酸鹽[ s2cnr2 ( dtc ) ]及其衍生物早已廣泛應用於化學、醫學、石油化工等領域,它與所有的過渡金屬都可以進行配位,形成螯合物,雙齒的陰離子也可以作為橋鏈兩個過渡金屬的配體。Similarly, crampons have evolved as well, allowing them to be used on these types of ice which is quite different from that for which they were traditionally used, for example : kicking straight on with the foot in order for the front points to penetrate
同樣的,冰爪和傳統的比起來也有很大的不同,得到了發展使他們能夠用於這種地形,例如:帶前齒的冰爪使垂直冰面踢冰穿透冰壁成為可能。The formative cells or tissue of a fingernail, toenail, or tooth
(指甲或牙齒的)床手指甲、腳指甲和牙齒的形成細胞或組織The build - up welding of the meshing surfaces of big gear wheels : during operations of the big driving gears of big rolling mills and squeezers, the meshing surfaces wear easily and form cavities due to the squeezing force and attrition with the thinning of the gears resulting in the rejection of the gear wheels
大齒輪咬合面堆焊:大型軋機和壓榨機的傳動大齒輪在工作過程中,齒的咬合面產生大的擠壓力和磨擦力易磨損和形成凹坑,齒厚減薄,因而報廢。By means of analytical methods based on upper bound element technique ( ubet ), non - axisymmetric element, simulates the forming process of non - axisymmetric involute teeth spline has been introduced, formula of speed fields been derived and the deformation regularity of steady extrusion on the forming process successly described
摘要本文運用上限單元技術( ubet ) ,引入非完全軸對稱單元,模擬了非完全軸對稱零件漸開線齒外花鍵的成形過程,推導出了成形過程中的速度場公式,並成功地描述了擠壓過程中的變形規律。The metal flowing pattern of the tooth filling process at different stages during closed die extrusion is found through lead deformation test and double - acting extrusion method on a doubled - acting press or on a special die structure with a general press is proposed
成形試驗獲得了金屬充填齒形腔的流動模式,提出採用專用雙動壓力機或在通用壓力機上採用特殊模具實現坯料雙向擠壓的成形方法。Kinematic analysis of gear machining
齒輪加工成形的運動學分析Tooth discolouration can lead to intrinsic or extrinsic stains. intrinsic stains may be caused by tetracycline stain, excessive fluoride intake, pulp degeneration after tooth trauma and the presence of metallic restorative materials such as silver amalgam
外在變色是由於食物中的色素附在牙面上,形成斑漬,只要洗牙便可以清除這類斑漬。內在變色的其中一個原因是在乳齒或恆齒的形成過程中,受到一些藥物例如四環素的影響。The results indicate that if the value of press stress is over certain figure, press stress and al plate ’ s thickness have little influence on sawtooth distortion for the same kind of sawtooth ; sawtooth distortion is well - regulated under static press, while it is irregular under impact press. bottom coating make great influence on bond strength of samples which can improve the value remarkably ; bonding mechanism of clad steel is mechanism of mechanical effect that sawtooth which is hooked occludes with al plate
結果表明:同種齒型,當壓應力大於一定的值時,壓應力和覆板的厚度對齒形的變化影響不大;靜壓下齒形變化比較規則,鋸齒頂端向一側彎曲成鉤狀;沖壓下齒形比較凌亂,鋸齒的頂端沒有明顯的變形;后處理對試樣的結合強度影響很大,打底試樣由於粘結層的作用,結合強度較高;機械作用機制是復合鋼板的主要復合機理,鋸齒彎曲成鉤狀和鋁板形成機械咬合。Through the simulation of the forming process, we can get the deformations, stress, strain, plastic flowing in sheets and the interface state under impact load and rolling load, the deformation of the sawtooth form and comparing to the initial state, the results above are expressed in computer animated way. and the effect of geometrical ( mainly different form, including 90 degree, isoceles triangle , 75 degree, and 1. 5 high and wide ), material and technical parameters on the bond strength are analyzed, also including the comparison of different sawtooth form. the optimum parameters are got
對雙金屬復合板成型過程進行模擬,從而得到在沖擊載荷和軋輥壓力作用下基板和覆板的應力、應變分佈和塑性流動變形規律,復合后的齒形的變形情況與初始齒形形成對比,以動畫的方式模擬成型過程,並分析了不同幾何參數(主要是不同的齒型,其中包括直角齒型、等腰齒型、 75度齒型、 1 . 5高寬齒型) 、材料參數、工藝參數對復合強度的影響,以及不同齒型的變形對比以及齒型對復合情況的影響,提出最優齒型、最優工藝參數,有效地指導了實驗。In this paper, we designed the structure of the gear and rack in this actuating mechanism, elaborated the theory of its formation, and deduced the profile function and gearing function of the gear and rack. furthermore, we deduced the inherent radius of going around a turn under certain circumstance, the condition of the correct gearing and the continuous transmission. in order to make the mechanism move steady, we designed the derivation mechanism and manufacture the modle
本文對該傳動機構中的漸開線柱齒鼓形齒輪和空間齒條的結構進行了設計,並給出了齒輪和齒條的成型原理,推導出了漸開線柱齒鼓形齒輪和空間齒條的齒廓參數方程、嚙合方程;進一步分析並確定了漸開線柱齒鼓形齒輪、空間齒條在給定嚙合傳動條件下所能實現的固有轉彎半徑和運動約束條件,並對其側隙及效率進行了計算和分析。The technologies of rolling plasticity forming contain three traits which are simple, long life of cutter and high efficiency, especially, without pull - out fitment for the sloping gears forming
摘要運用滾壓成形技術進行齒輪塑性加工具有設備簡單,刀具壽命長及效率高的特點,尤其對料齒輪的成形加工,沒有拔模問題。Fusobacteria are filamentous bacteria which secondary colonists on the dental plaque on your teeth, after it has been formed by species of streptomyces, thus thickening and reinforcing the bacterial attack on your teeth
梭桿菌綱(菌)是細絲狀的細菌在你的牙齒上的在牙齒的匾上的中級的殖民地居民,在它已經被鏈黴菌屬的種形成之後,如此使厚而且加強對你的牙齒的細菌攻擊。The research sheds important new light on tooth formation.
這項研究為了解牙齒的形成提供了新線索。Various successive partial plastic forming methods for processing groove, including thread rolling, cross rolling and skew rolling, splitting, rolling of spline shaft, split rolling, open - die extrusion of spline shaft / gear, extrusion of internal screwed tooth socket parts with large helical pitch, integral cold forging for slot commutator, extrusion - ploughing for outside fin tube, drawing of tube with spiral internal / external ribs etc. have been introduced briefly
摘要介紹了用於加工槽的各種連續局部塑性成形方法,包括螺紋軋制、橫軋與斜軋、分劈、花鍵軸滾軋、劈分軋制、花鍵軸齒輪開模擠壓、花鍵套擠壓、槽型換向器整體冷鍛、外翅片管擠壓一犁削、內外螺紋管拉拔等。Taking the ffc ? 23a disk mill as a specimen model, the rotation noise generated from the interaction between fixed claws distributed on the outer and inner circle of the fixed claw plate and the corresponding moving claws has been separated in an experimental study by the modern analytic method of acoustic. thereby, a conclusion that the principal component of rotation noise in disk mill comes from the interaction between the fixed claws on the outer circle and the corresponding moving claws has been reached. in accordance with the above, modified noise reduction design for the structural parameters such as the number of claws on the fixed claw plate, shape of claws and the relative positions of the claws arranged on the outer circle and inner circle has been carried out
本文以ffc ? 23a型爪式粉碎機為樣機,利用現代聲學測試分析手段對其工作時定齒盤內、外圈齒與相應動齒作用產生的旋轉噪聲進行了試驗分離研究,從而得出了爪式粉碎機旋轉噪聲的主要成分源自外圈定齒與其相互作用的動齒產生的噪聲,並以此為基礎,對定齒盤的齒數、齒形以及內、外圈齒的相對排列位置等結構參數進行了降噪改進設計,通過對比性試驗與分析,獲得了旋轉噪聲與上述結構參數間的關系,並取得了負載6 . 7db ( a )的良好降噪效果。Those theories research result to guide the gear precision process the technological design has the important meanings
本文的理論研究成果對指導齒輪精密成形工藝設計具有重要意義。Introduction to cold extrusion forming for precision gear
冷擠壓技術在精密齒輪成形中的應用The result presents, it is relatively useful for filling in the tooth cavity of big modulus 、 high thickness spur increase to increase suitability height mount piece, and the load of forging spur gears can be decreased by adding a mandrel, but unit area forging force does not cut down, and it has a little influence on filling in the tooth cavity
結果顯示,增加適當高度的鑲件對大模數、高厚圓柱直齒輪齒腔填充比較有利,增加芯棒可以降低齒輪成形載荷,但單位面積的成形力並未減少,且對齒輪的填充性影響不大。In this paper, the cold precise forging of spur gears is researched, particularly the influence of die structure on gears forming is analyzed
摘要研究了直齒圓柱齒輪的冷精段過程,詳細分析了模具結構對齒輪成形的影響。分享友人