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spur gear 【機械工程】正齒輪。

spur line

Taking into account thermal and non - newtonian effects of the lubricant , this paper has theoretically investigated elastohydrodynamic lubrication of involute spur gears , and achieved the pressure distribution , film shape , temperature distribution and the values of the friction coefficient and its varying law along the line of action of gear transmission 本文在考慮了潤滑劑的熱效應和非牛頓效應后,對漸開線直齒輪的彈流潤滑問題進行了理論研究,獲得了齒輪傳動的壓力分布、溫度分布、油膜形狀和齒面摩擦系數的取值范圍及其沿齒輪傳動嚙合線的分布規律。

Abstract : in this paper , a kind of technological scheme for one - step precision forging spur gear with large module is put forward by using positive friction role . experiment , in which commercial pure lead is taken as test material , is done in the special die designed , and force vs . stroke curve is recorded . it is shown that positive friction role can efficiently make a contribution to the filling of the tooth cavity , but increase forming force 文摘:針對大模數直齒圓柱齒輪,提出了利用積極摩擦一步成形的工藝方案,并用工業純鉛作為試驗材料,在設計的專用模具上進行試驗,記錄了力? ?行程曲線,結果表明:利用積極摩擦作用能夠有效地保證直齒圓柱齒輪精鍛時齒腔充滿,但同時增加了變形力。

Abstract : in this paper , the kinematically admissible velocity fields are established by using the metal flow patterns based on the experiments , and the configuration dimensions of billet and the curves of load - stroke in precision forging process for spur gear from solid billet are simulated on computer by upper bound method . the results acquired in the simulation are in good agreement with those obtained in the experiments 文摘:本文利用有實驗根據的變形流動模式建立動可容速度場,利用上限法模擬用實心坯料精鍛直齒圓柱齒輪時坯料的外形尺寸變化和力?行程曲線,所得結果與實驗測定值很一致,可供沖擠精鍛工藝設計參考。

According to the differential geometry theory , the principle curvatures and principle relative curvature of the spur gear and the fg in line contact and point contact , the tooth surface relative speed and the tooth contact interface are analyzed , whose distributing on the tooth surface are visualized by computer 在齒面的幾何特性研究中,利用微分幾何的原理分析了圓柱齒輪和面齒輪的齒面曲率、線接觸和點接觸面齒輪傳動的主誘導法曲率以及嚙合過程中齒面的相對速度和接觸區域計算問題,并獲得有益的結論。

Abstract : this paper derives thecalculating formulas to the contact strength and oil - film thickness of the involute spur gear according to hydrodynamic lubrication principle . through check with test , shows that they may rully replace now available hertz formula and dowsonformula respectively 文摘:根據流體動力潤滑原理,推導出了漸開線直齒圓柱齒輪接觸強度及油膜厚度的計算公式,通過實驗驗證,說明它們可以完全分別代替現有的赫芝公式及通森公式。

Ordinary gear transmission is hard to do so , the suitably multistage spur gear transmission that adopts 2k - h and ngw model planetary machine should be considered and in order to make machine further miniaturization , the closed planetary gear train should be adopted 而普通的齒輪傳動難以滿足,故宜采用2k - h 、 ngw型的多級直齒行星齒輪傳動,并且為使機構進一步小型化,應考慮采用封閉輪系。

Both domestic and world - wide state of the study on precision forging spur gears from the theoretical calculation study to technology design , control of precision and quality have been expounded with discussion about its developing trend 摘要文章從理論研究、工藝設計、質量和精度控制研究等幾個方面論述了國內外直齒圓柱齒輪精鍛技術的現狀,并對其研究發展趨勢進行了探討。

They are divided into two main classes : one class with handwheels but no gearing , and the other class with cranking actuators and worm gearing or worm and spur gearing combined 這些地軸架分為兩大類:一類配置手輪,沒有齒輪執行機構;另一類配置轉動曲軸執行機構和蝸輪或蝸輪和凸輪組合執行機構。

See actuators & accessories section for : bevel gear , spur gear , chain wheel , motor or cylinder actuators ; bypasses , drains or auxiliary piping ; special packing , etc 參閱執行機構和附件章節,了解:傘齒輪,正齒輪,鏈輪,馬達或缸體執行機構;旁路,排泄,或輔助管路;特殊填料,等等。

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。

Gearbox : what kind of gear in the gearbox ? worm gear unit , helical gear set , or spur gear unit 最佳答案(此答案并不代表本站觀點)變速箱:變速箱里有哪些種類的齒輪?蝸輪,斜齒輪或圓柱齒輪?

The final drives are double reduction with spur gear and segment sprocket , which are sealed by floating oil seal for easy service 兩級直齒輪減速,浮動油封密封,鏈輪采用組合式,便于維修。

An application of finite element method on bending fatigue strength calculation of the teeth of a standard straight spur gear 有限元法在標準直齒圓柱齒輪輪齒彎曲疲勞強度計算中的應用

Metal - cutting tools ; hobs for spur gears , with clutch drive slot or keyway , modules 1 to 20 金屬切削刀具.帶離合器驅動槽或鍵槽模數為1至20的正

Spur gear drives for fine mechanics ; scope , definitions , principal design data , classification 精密機械用正齒輪傳動裝置.第1部分:適用范圍定義

Spur gear drives for fine mechanics ; indication in drawings , examples for calculation 精密加工用正齒輪傳動裝置.圖樣上的標注.計算示例

Master gears for checking of spur gears for fine mechanics ; gear blanks and gearing 檢驗精密機械的正齒輪用的標準齒輪.齒輪毛坯及嚙合

Spur gear drives for fine mechanics ; gear fit selection , tolerances , allowances 精密機械用正齒輪傳動裝置.第2部分:傳動裝置配合選擇

Precise measuring for error of tooth form of involute spur gear in 3d coordinate measuring machine 三坐標測量機檢測同軸度誤差分析