拉延系數 的英文怎麼說
中文拼音 [lāyánxìshǔ]
拉延系數
英文
drawing coefficient-
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該保潔車有七大特點： 1 、該車外型設計美觀大方，操作簡單靈活，明凈小巧的駕駛室免除了環衛工人在雨雪等惡劣天氣作業時的煩惱； 2 、佳鹿電動保潔車變速箱是我公司的專利產品，特點是拉重貨，輕松爬坡而且省電，延長電瓶的使用壽命； 3 、佳鹿電動保潔車后橋雙輪制動，是我公司的專利產品，特點是結構簡單，操作方便，維修容易，制動性能好； 4 、佳鹿電動保潔車超低的垃圾箱符合人體工程學的高度，使環衛工人能輕松地裝卸，倒車時具有良好的視線，減少事故的發生，安全系數高； 5 、佳鹿電動保潔車採用先進的電動推桿作為自卸動力，減輕了環衛工人的勞動強度，特點是故障少功率大，免維護； 6 、佳鹿電動保潔車整車採用鋼化玻璃，前進倒車都有良好的視線，不易劃傷，保證環衛工人的安全； 7 、佳鹿電動保潔車外部採用鋼板，內部採用玻璃鋼內膽，外部特點：鉸鏈在鋼板上不易松動，經常自卸不變形，經得起碰撞，內部採用玻璃鋼內膽，不生銹、不腐蝕，磨損后內膽可以更換，維護成本低。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。Ltd. a coupled vibration method on suspended free poles is employed to determine the initial young ' s modulus at elevated temperatures, also the thermal expansion coefficients of fire - resistant steel
通過高溫下的恆溫加載拉伸試驗，得到不同溫度下耐火鋼的屈服強度、極限強度、延伸率、面縮率和應力應變關系，並測定高溫下耐火鋼的熱膨脹系數，採用懸絲耦合共振法測定高溫下耐火鋼的初始彈性模量。Improve the parametric modelling function of the sustaining platform on the basis of the software ’ s function and further studying the realization method of standard parametric model. sort and summerize the standard parts of the draw die. add the management function for the standard part library
2 ）在研究標準零件參數化模型的實現方法基礎上，結合系統軟體的功能，改進了支撐平臺的參數化建模功能，對拉延模設計過程中用的標準件進行分類、總結，實現了較為完善的標準零件庫的管理功能。On the basis of being familiar with the functions of unigraphics system, the thesis elucidates the work manners about the cad software sustaining the draw die design. the theory and realization about the cad function are also discussed. to realize the target of raising the quality and the efficiency of the die design the theory of the stpart & feature library on the basis of “ unigraphics ” which has the function of establishing the characterized 3d parametric solid model has been developed
論文依據unigraphics系統有關模塊和功能，探討了cad軟體支持模具設計過程的工作方式，研究相應輔助設計功能的原理和實現方法;結合系統開發平臺的功能，為實現提高模具設計質量、設計效率的目標，在基於特徵的三維參數化實體造型系統unigraphics上開發了拉延模標準件庫及特徵庫。This paper takes advantage of numeric simulation technology to investigate the weld - line movement and formability of twb with the same property and different thickness, analyzes the weld - line movement in three different drawing ways with the same drawing depth, and shows the normal rule of weld - line movement in different drawing ways, and the relationship between the weld - line movement and formability of twb of different thickness
摘要本文利用數值模擬技術對相同材質差厚拼焊板的沖壓成形性和焊縫移動進行研究，分析了相同拉延深度、不同拉延方式下焊縫移動情況，揭示了不同拉延方式下焊縫移動的一般規律和焊縫移動量與差厚拼焊板成形性之間的關系。In terms of strength and ductility, the concept of specified yield point is put forward. based on the principle that under the same condition ( that is, the size of cross section, material strength and reinforcement ratio are identical ), the resultant ultimate moment must be identical, the compression failure of frp reinforced concrete beam is equal to the tension failure for the viewpoint of design and calculation
從強度與延性兩方面的綜合考慮，提出了纖維增強塑料筋名義屈服點的概念，對發生受壓破壞的纖維增強塑料筋混凝土梁，按照同樣條件下（截面尺寸、材料強度、截面配筋率等均相同）截面承載力相等的原則等效轉化為受拉破壞進行設計與計算，以此確定纖維增強塑料筋的強度折減系數_ f 。分享友人