wheel plane 中文意思是什麼

wheel plane 解釋
車輪平面
  • wheel : n 1 輪,車輪;輪狀物。2 〈口語〉腳踏車;【造船】艙輪;(汽車的)方向盤,駕駛盤;(制陶)轉盤;紡...
  • plane : n 懸鈴木屬樹木。n 1 平面,水平面,面。2 (知識等的)發達程度,水平,階段。3 【航空】機翼面;〈常 ...
  1. Those sensitive parameters making system have negative damping and occur self - excited shimmy are horizontal pulling lever rigidity, tire sideslip rigidity, steering gear rigidity and damping, kingpin equivalent damping, kingpin caster angle, tire drag. and wheel center distance, tire side rigidity, vehicle wheel unbalanced mass, tire vertical rigidity, and distance from kingpin center to the vertical central line plane of tire have great influence on shimmy, but they do n ' t make the system have negative damping. and horizontal pulling lever damping, suspension damping and rigidity have very small influence on shimmy

    橫拉桿剛度、輪胎的側偏剛度、轉向機剛度、轉向機阻尼、繞主銷當量阻尼、主銷后傾角、輪胎拖距是影響擺振的敏感性參數,適當調節某一參數可引起系統的負阻尼,使系統產生自激擺振;輪距、輪胎側向剛度、車輪上的不平衡質量、輪胎垂向剛度及主銷延長線與地面交點至車輪平面的距離對擺振的影響也較大,但不會使系統出現負阻尼;而橫拉桿阻尼、懸架阻尼與懸架剛度對擺振的影響很小。
  2. This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development. its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror, analyze glass cutting principle, design specisl - use grinding wheel structure, select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid, look for the technological parameters such as the optimal acid concentration and etching time etc. ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and

    本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰略需求而開展的。主要研究內容是:根據光學玻璃的物理與化學性能,選擇輕型鏡坯材料;用有限元法對鏡子的變形進行分析、計算,找出變形規律,優化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構;分析玻璃切削原理,設計專用磨輪結構,選擇合理工藝技術參數,完成400mm平面鏡輕量化減重孔的加工;分析氫氟酸腐蝕光學玻璃機理,尋找最佳酸濃度、腐蝕作用時間等工藝參數,實現400mm平面鏡減重孔應力與微裂紋的消除;討論分離器加工原理和工藝技術特點,完成400mm平面輕型鏡面形加工。
  3. This paper summarizes main research means for plane and vertical section ' s design criteria of high - speed wheel / rail railway line, and carries through simple appraisal for all kinds of research means in the end

    對高速輪軌鐵路線路平縱斷面設計標準的主要研究方法加以總結分析,對相關研究方法進行了簡單的總結。
  4. Existing high - speed ' s temporary criterion in china aim at high - speed wheel - rail railway simply, but plane and vertical section ' s design criteria for maglev railway which run at over 350km. p. h still have no criterion to comply with

    我國現有的京滬高速鐵路暫行規范,只是針對時速在200 350公里的高速輪軌鐵路,而時速在350公里以上的高速磁懸浮鐵路的平縱斷面設計標準還沒有可以依據的規范。
  5. In the higher velocity, especially in the critical velocity, the continuous model is invalidity. 2, in this paper, assume that the track and wheels are ideally smooth and no carriage or wheel - axle bending vibrations occur. invoke the basic hypothesis of the bernoulli - euler theory of beams : namely, that plane cross - sections initially perpendicular to the axis during bending

    2 、在對連續性模型的分析基礎上,假設軌道與車輪為理想光滑的、沒有車輛和輪軸激起的振動,引用bernoulli - euler梁理論的假設:即垂直於梁軸線的橫截面在彎曲過程中仍然垂直於梁的中性軸。
  6. Economists like to argue that money belongs in the same class as the wheel and the inclined plane among ancient inventions of great social utility

    經濟學家喜歡說,貨幣同輪子和斜面一樣,屬于有巨大社會效用的古代發明。
  7. This measuring system applies linear laser. the laser bean is projected onto the surface of the wheel profile. the laser light plane and the wheel profile intersect to form a profile curve, which shows the shape of wheel trackside

    本課題研製的測量系統採用線激光投射到車輪踏面輪廓上,通過左、右ccd攝像機系統的拍攝和圖象採集得到車輪輪廓的激光曲線圖。
  8. It would lead to much more errors and complex scanning structure set. measuring wheel set flange by digital camera needed confirming rim inside plane by special object. it was difficult to measure running wheels because data transmission speed was slow

    數碼相機測量輪對踏面形狀的方法,需要用試塊接觸內側面進行定位,另外數碼相機的拍攝和傳輸速度一般均較慢,難以用於轉動中輪對踏面的測量。
  9. Grinding wheel : classified as surface grinding wheel, inclined plane grinding wheel, internal hole grinding wheel and edge grinding wheel

    研磨砂輪:分為平面研磨輪斜面研磨輪內孔研磨輪及刃口研磨輪等。
分享友人