pmts 中文意思是什麼

pmts 解釋
富民隆
  1. Forward displacement analysis for lps + 3tps, lpt + 2tps, lpps + 4tps type pmts are performed based on result elimation method. closed form solutions for forward displacement of these hybrid type pmts are derived, numerical examples are given for illustration

    基於結式消元法分別對1ps + 3tps型、 1pt + 2tps型和1pps + 4tps型並聯機床進行了位置正解分析，獲得了封閉形式的解析解。
  2. This three hybrid type pmts possess such advantages as : simple structure, good dexterity high machining precision, high machinillg speed, position decoupling wth orientation, easy nc programming et al, can meet the need of numerical colltrol machining for large pwts with complex wes

    這三種混聯結構並聯機床具有結構簡單、加工靈活、加工精度高、加工速度快、加工工藝性好、位置與姿態解耦和數控編程方便等優點，可以滿足大型具有復雜曲面類零件的多軸聯動數控加工的要求。
  3. The equations of workspace boundary surfaces for double - octahedron variable geometry truss pmts are derived based on surface analysis method. the projection and section curve grapha of workspace boundary surfaces for double - octahe

    推導出了zrps ztps型及m 3tps型並聯機床運動學分析的一階和二階影響系數矩陣，得到了其運動學模型。
  4. These analy ' tical expressions are solved using homotopy cofitinuation algorithjns, all solotions of singularity configuration are obtained. a numerical exarnple of singularity configuration analysis for double - octahedron variable geometry truss pmts is given.,

    以r 3tps型並聯機床為對象，提出了一種精度建模方法，該方法將精度建模的問題轉化對應的「虛擬機構」的運動分析問題。
  5. Ir, sem - edx, and water contact angle measurements on polysilane and polyacrylate film obtained by double operations and single operation showed that the influence of weight ratio of polymers, the molecular of pmma on film structure was great. the film translucence dropping while the ratio of pmma / pmts grew and the compatible reducing while the molecular of pmma increased

    通過測定所配製的系列濃度聚合物甲苯溶液、 thf溶液的表面張力發現：有機硅聚合物溶液的表面張力值在有機硅聚合物濃度低於30時變化不明顯；而甲基丙烯酸酯聚合物溶液表面張力值隨甲基丙烯酸酯聚合物濃度的變化比有機硅聚合物溶液明顯。
  6. Besides, it was founded that the compatible of the system consisted of mts - mma copolymer and pmma was better than that of pmts / pmma

    應用dma ， dsc ， uv及水滴接觸角等測試手段表徵了有機硅聚合物-聚甲基丙烯酸酯梯度膜的性能。
  7. To prepare the functionally gradient materials ( fgm ) of polysilane - polyacrylate, the method of solution preparation was performed. based on the results of the back - scattered electron images and linear scanning of the polysilane - polyacrylate film ' s cross section, the dependence of polysilane - polyacrylate film ' s structure on molecules of polysilane and polyacrylate, pmma / pmts feed ratio and component concentration were investigated

    通過測試有機硅聚合物-聚甲基丙烯酸酯樹脂膜的結構，分析了聚有機硅（ pmts ） 、聚甲基丙烯酸酯（ pmma ）的分子量、 pmma pmts體系配比、組分濃度等因素對有機硅聚合物-聚甲基丙烯酸酯樹脂膜結構的影響。
  8. Method of inverse displacement analysis for hybrid twe pmts is a1so given. an analytical method, which is based on surface analysis, for workspace - analysis of 6 - sps type pmts is proposed in this dissertation. topological diagram of workspace for 6 - sps type pmts is derived, the equations of workspace boundny surfaces for 6 - sps type pmts are also derived based on the kinematic characteristic of the pmts

    提出了一種求解6 - sps型並聯機床主進給機構工作空間的解析方法，該方法以曲面分析為基礎，通過分析得到了6 - sps型並聯機床主進給機構工作空間四川大學博士學位論文的拓撲邏輯結構圖，結合主進給機構的運動特性，得到了主進給機構工作空間邊界曲面的曲面方程。
  9. Then, surface tension measurements on various solution of pmma, pmts, mts - mma copolymer indicated that the change of polysilane ' s surface tension was not significant when its concentration was lower than 30 %, while that of polyacrylate ' s varied much more significant yet

    隨之，用溶液聚合法制備了具有不同分子量及分子量分佈的有機硅聚合物、有機硅-丙烯酸酯共聚物（ mts - 35 、 mts - 65 ）和甲基丙烯酸酯聚合物。
  10. Absolute coordinates of spherical joints on movable platform are chosen as unknwn, a direct displacemeat analysis which is based on resultan eliminatiom method for 2nys + 2tps type pmts is presented, the 7th degree input - outpul closed form equation with one wtwn is obtained, and all of the roots for all unknowns are gained

    採用動平臺四個鉸心的絕對坐標作為輸出變量，用結式消元法對2rps + 2tps型並聯機床進行了位置正解分析，得到了其7次的一元輸入輸出方程，由此得到了全部位置正解。
  11. The projection and section curve graphs of workspace boundary surfaces for 6 - sps type pmts are drawn. results of analysis show that the theoretic workspace of 6 - sps trpe pmts is enveloped by 30 surface patchs. input and output ewtons of displacement analysis for double - octahedron variable geometry miss pmts are established, analytical expressions for determining singuledty configuration are derived

    分別推導出了znys ztps型、 ips 3tps型和ipt ztps型並聯機床奇異倉形判別的解析表達式，得到了奇異曲面方程，並由邊界曲面分析方法得到了lps 3tps型和ipt ztps型並聯機床的工作空間，文中給出了以上混聯結構並聯機床奇異位形與工作空間分析的數值實例。
  12. Pmts enjoy following advdsges over tr8ditional five - coordinates nc machine tools : high stiffness weight ratio, high feed speed, high machining precision, high additional technology value et ai

    並聯機床與傳統五坐標數控機床相比有如下優點：剛度重量比大響應速度快加工精度高環境適應能力強技術的附加值高。
  13. Parallel machine tools ( pmts ), also know as virtual axis machine tools ( vamts ), are a new kinds of machine tools which came into being since 1990 ' s

    並聯機床即虛擬軸機床，是二十世紀90年代中期問世的新型數控機床，是機器人技術與機床相結合的產物。
  14. Parallel machine tools ( pmts ), which came forth in the middle of l990s, are also called virtual axis machine tools ( vamts ). pmt is an application of spatial multi - loop parallel machanism in the field of nc machine tool, is an combination otheome of mechanism theory robotic technology and numerical control technology, the prototype of pmts is parallel robotic manipulators

    並聯機床（ parallelmachinetool ）又稱為虛擬軸機床（ virtualaxismachinetool ） ，是90年代中期問世的數控機床新結構，是機構學理論、機器人技術與數控技術結合的產物，其原型是並聯機器人操作機。
  15. These characteristics make pmts have very vast applications

    這些特點使並聯機床具有廣泛的應用前景。
  16. The results show that the technique is advanced and is of benefit to real - time control for pmts

    模擬表明這種計算和控制方法精度較高，是一種可行性較強的計算和控制策略。
  17. Pmts have following advantages : very good stiffness weight ratio, large feed speed, high machine precision, simple mechanical structure etc. compared with the traditional machine tools

    與傳統的數控機床相比，並聯機床具有剛度比重大、響應速度快、加工精度高、機械結構簡單等優點。
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