弧度工具 的英文怎麼說
中文拼音 [húdùgōngjù]
弧度工具
英文
arc length tool-
Disk chuck has been adopted in 74 series vertical shaft rotary die grinders, which can grind to the internal hole, excircle of large workpieces and workpieces with shoulders. die can work and grind to r - arc without removing guede - pole, and grinder head can rotate in the range from + 45o to - 45o. accordingly, the life of die is longer than before and accuracy of the die is stable
74系列立軸圓臺模具磨床採用花盤式工作臺，可對較大工件內孔、外圓和帶有臺肩的工件進行磨削，沖模模具可以不拆導向柱進行磨削及r弧磨削，提高模具使用壽命，保證模具使用精度，磨頭可旋轉45 。Rapid prototyping technology changed the traditional pattern of product design, which could offer product sample for the designer, reduced design cycle and quicken the schedule of new product design, and it gave the decision - makers visual feeling. ; rp technology provided kinds of molds including resin - boncled mold laminate mold, investment mold and lost foam casting mold and so on for sand casting investment casting and cavityless casting, it could also use direct shell production casting to make pattern dies metal dies die - casting dies injection dies directly, and it could even produce casting products in small scales. the applications of fdm technology in plaster precision casting and the rapid casting technology based on sls technology were introduced, the organic combination between rapid prototyping tecnnology and foundry process, which initiated a new period of rapid manufacturing metal parts, by using advanced new technology alternated traditional foundry industry to make it looked brand - new, thus, the competition of foundry industry would be improved ; rapid prototyping technology offered a rapid economical feasible technical method, common processes of using rapid prototyping technology to produce dies were discussed, in the paper it explored that. the problem of combining rapid prototyping technology with electric arc metal - spraying technology to make metal dies and technics in dies manufacturing of combining rapid prototyping technology with precision casting, rapid tooling based on rapid prototyping, integrated advanced new technology and tradition technology of rapid prototyping manufacture, each superiority were exerted, rapid prototyping technology had been an efficiency measure to rapid update products and develop new product, and to middle -
快速成型技術改變了傳統的產品開發模式，可以為設計者提供產品樣件，縮短設計周期，加快新產品的開發進度，為決策者提供直觀性；快速成型技術迅速提供砂型鑄造、熔模鑄造、實型鑄造用的各種模樣，包括樹脂模、層壓模、熔模和消失模等，還可採用直接制殼鑄造法直接製造熔模鑄造用的壓型、金屬型、壓鑄型、注塑模，甚至直接製造小批量鑄件，介紹了熔積成型技術在石膏型精密鑄造上的應用和基於選擇性激光燒結技術的快速鑄造技術，快速成型技術與鑄造工藝的有機結合，開創了快速製造金屬零件的新階段，對用高新技術改造傳統的鑄造工業，使其面貌煥然一新，增強鑄造行業的競爭能力；快速成型技術為母模的製造提供了一條快速、經濟、可行的技術途徑，討論了利用快速成型技術製造模具的一般工藝方法，探討了將快速成型技術與金屬電弧噴鍍技術結合起來快速製造金屬模具問題，以及快速成型技術與精密鑄造技術相結合的模具製造工藝，基於快速成型製造的快速模具技術，集成了快速成型製造高新技術和傳統技術，發揮各自優勢，已成為產品快速更新換代和新產品開發及中、小批量生產的有效手段之一。An early instrument for measuring altitude of celestial bodies, consisting of a90 = graduated arc with a movable radius for measuring angles
象限儀用來測量天體緯度的一種早期工具，由一個有90度刻度的圓弧和一個用來測量角度的可移動的半徑構成Avoid squatting and kneeling during work. use long - handle mops or brooms to clean the floor so as to avoid having to bend the trunk and strain the spine
掃地抹地時，應盡量利用長柄工具，避免身驅俯前，以便維持腰背的正確弧度。Use long - handle mops or brooms to clean the floor so as to avoid having to bend the trunk and strain the spine. slightly bend the knees and tuck in your tummy before picking up heavy loads
掃地、抹地時，應盡量利用長柄工具，避免身驅俯前，以便維持腰背的正確弧度。The main work and conclusion for this paper is as following : according to the flashover test results of several kinds of iced insulators under positive voltage and negative voltage, this paper obtained : for the single porcelain insulator, the single glass insulator and the composite insulator bridged completely by icicle, the metal cathode ' s strong ability of emission electron is the primary reason that results in the lower negative flashover voltage ; the position difference of the high resistance district in method anode side results in that porcelain insulator cluster and glass insulator cluster have an evident effect of polarity ; when less ice and no icicle at the brim of the sheds, due to numerous non - polar arcs on the composite surface, the effects of polarity of composite insulator was lost using the test method of the average flashover voltage in the freezing period, dc flashover performances were investigated of several insulators with some typical structures and different material
本文的主要工作和結論如下：在人工氣候室內，根據不同覆冰絕緣子正、負極性下的閃絡試驗結果，得出負極性電弧金屬陰極的強電子發射能力造成了單片瓷、玻璃絕緣子及被冰凌橋接的合成絕緣子有較低負極性冰閃電壓；正極性電弧金屬陽極側產生高電阻區所處位置的差異使得瓷和玻璃絕緣子串具有明顯的極性效應；覆冰較少時，合成絕緣子表面出現數量較多的非極性電弧使合成絕緣子無極性效應。利用覆冰期內平均閃絡電壓的試驗方法，對不同材質和結構的絕緣子在覆冰、低氣壓和污穢共存環境中的直流閃絡特性進行了研究。試驗結果表明，直流平均閃絡電壓隨著海拔的升高、覆冰量的增加以及污穢度的增加而降低，且其特徵指數與絕緣子結構、覆冰量、覆冰狀態、污穢度等有關。After thoroughly analyzing the influence of each pump parameters on the gear pump performance, the paper developes the criterion for optimum gear parameters, which can be utilizied in practice easily for gear manufacturing using normal involute gear hob with two - fillet type. the conclutions studied by the paper are : 1. both the addendum coefficient and the deddendum coefficient of the pump gear should be 1. 125
以目前國內普遍使用的雙圓弧頭全齒高為2 . 5倍模數漸開線標準滾刀作為泵齒輪的加工刀具，通過對齒輪加工原理的分析，提出了欲使泵齒輪參數達到最佳，泵齒輪的齒頂高系數和齒根高系數都為1 . 125 ；對變位系數的確定應考慮到泵齒輪的根切、齒頂厚、重合度以及側隙因素；泵齒輪為避免過渡曲線干涉，必然要存在根切現象。The technology not only reduces working procedure but avoids conversion errors caused by making transition model, and can ensure edm performance of the obtained electrode using the combination of puls
該工藝不僅減少了工序，還避免了因翻制過渡模型帶來的轉換誤差，將脈沖電鑄和電弧摘要噴塗紫銅背村相結合製造電極，能保證電極的電加工性能，可以實現高效率、高精度和低成本的快速模具製造。With the help of this program, this paper does research on the moved backwards of the slide surface, lengthening the anchor section, the soil nail ' s total force, gets conclusion about relations between the soil nail ' s length and the slope ' s grade, height, soil ' s mechanical parameter ; relations between soil nail ' s total force and coulomb soil pressure. with the help of the large multiuse finite element program ansys, this paper analyzes the soil nailing in one - step ' s slopes, in two - steps " slopes, puts the emphasis on the axis force ' s distributing along the soil nail at each rows, the effect of both the excavating mode and the original slope figure to the axis force of the soil nail, the one another effect between the upper - step slope and the nether - step slope in the soil nail ' s axis force, gets conclusion about the design of soil nail at the first low, different slope body is the same with different excavating mode, the original slope figure has more effect to some than others because of the slope body, the reasonably design of the step width in two - steps slopes, the two - steps excavating and retaining has more virtue than the one - step ' s. through soil pressure analysis this paper does research on the differences and the links between the coulomb soil pressure theory and the rankin ' s, the vertical pressure at the slope surface when the slope surface is inclined and the retaining wall is rough, the soil pressure ' s distributing behind the panel, gets conclusion about the effect of both the slope body inner stability and the slope surface local stability to the soil pressure
通過分析比較，論證了對數螺旋線型比圓弧形作為邊坡的假設滑裂面具有較多的工程優點，並為此編制了一個採用極限平衡法分析土釘支護的fortran語言程序，以此作工具對滑裂面的后移、土釘錨固段的超長、土釘總力的大小等方面作了研究，得出了有關土釘的長度與邊坡的坡角、坡高、土體力學參數的關系、土釘總力與庫侖土壓力間的關系等結論；採用大型通用有限元數值分析程序ansys分別對採用土釘支護的一階邊坡、二階邊坡進行分析，重點是研究各排土釘的軸力分佈規律、開挖方式及原始邊坡形態對土釘的軸力的影響、上下階邊坡在土釘軸力方面的相互作用，得出了有關第一排土釘的設計問題、不同類型的土體應適用於特定的開挖方式、原始開挖出的邊坡形態對一些類型坡體的邊坡土釘支護有較大的影響而對另外一些影響不大、二階邊坡臺階寬度的合理確定、二階開挖及支護比一階時具有較多的工程優點等結論；通過土壓力分析對朗肯、庫侖兩種經典土壓力理論的區別與聯系、坡面傾斜及墻背有摩擦時的坡面豎向應力分佈、面板背土壓力的分佈形態作了研究，得出了邊坡支擋土壓力受坡體內部穩定與坡面局部穩定兩個方面的影響、土釘支護面板背土體中卸荷拱的存在對面板受力有利等結論。One pencil is the simulative milling cutter. parameters setting, milling cutter radius compensation, graphics drawing of the work - piece machined, realizing local control, etc. are the tasks of pc, while line & arc interpolation, motion segment acceleration & deceleration control, position protection at a high precision rate and so on are the duty of dsp motion controller. in the end, the system can draw the cutter center track of the work piece ' s program track accurately
上位pc機主要完成相關參數設定、刀具半徑補償相關運算及繪制被加工工件的輪廓（程編軌跡） 、實現本地控制等內容；下位機dsp控制器則充分利用美國ti公司的tms320c31浮點dsp的高速度、高精度完成運動控制中的實時直線和圓弧數值插補、運動段加減速控制、運動軸行程限位保護等內容。In the aspect of thermal spraying processes the main techniques applied to water wall tubes include flame spray, arc spraying, plasma spray and high velocity oxy - fuel spray ( hvof ). flame spray possesses the characteristics of simple equipment, easy of use and low operating cost, but the coating adhesive strength is low, and porosity and oxidation is high
在噴塗工藝方面，制備管道塗層的方法主要有火焰噴塗、電弧噴塗、等離子噴塗、超音速火焰噴塗等。火焰噴塗具有設備簡單、使用方便、操作成本低的特點，但它的塗層結合強度低，氣孔率及氧化物含量高。Punch former is applicable on surface grinder or universal grinder for grinding round, radius and multi - angle points of punches and for precisely edm electrode. with is radius dresser arm, it is able to dress wheels to different straight, arc profiles
凹弧r100mm外型尺寸： 360 116 145mm它可用於平面磨床及萬能工具磨床，對各種形狀的沖頭進行精度磨削，並可用於電火花機床電極的精密加工。After studying the precision of fdm process, a rapid edm electrode fabrication technology based on fdm is developed, the technology, which combined pulse - reverse electroforming with strengthening of copper wire - arc spraying, can obtained compact crystal electrode ' s working part, and strengthened filling part which has big adhesion strength, better electricity and heat conductivity, the edm performance of the obtained electrode reaches that of electrolysis copper electrode
繼fdm工藝精度研究后，開展了快速模具製造技術的研究，建立了基於fdm原型快速製造電加工電極的工藝。該工藝將脈沖電鑄和電弧噴塗紫銅背襯相結合，獲得了結晶緻密的電極工作層和結合強度高、導電與導熱性良好的電極背襯層，得到的電極達到了常規機加工紫銅電極的電加工性能。This paper establishs a integrated system about double circular - arc gears transmission design and optimal design using go a language vb. its emphases are visible design and inspect and measure of double circular - arc gears, and optimal design using crossing mesh optimal design program, it is the development of traditional design of double circular - arc gears. speeding the course of design, shorting the period of development, advancing the quality of design
本論文利用面向對象的vb語言建立了雙圓弧齒輪傳動計算機輔助設計與優化設計系統，著重對雙圓弧齒輪的設計、校核、測量尺寸、精度與公差計算機輔助設計的工程進行了可視化設計，並調用dsp正交網格優化設計方法對設計出的雙圓弧齒輪進行優化設計，並很好地集成為一體，具有通用性，因而是對雙圓弧齒輪傳統設計的一種改進和提高。4 ) combining the local synthesis method for the machine - tool setting parameters, tca and ltca, and the numerical simulation of stress procedure constructs the optimal design circle with feedback. the developed software system provides an efficient design tool for the spiral bevel gears with excellent transmission behavior, high strength and lower noise
4 ）結合加工參數設計的局部綜合法、幾何接觸分析（ tca ） 、承載接觸分析（ ltca ）及應力過程數值模擬，構成了具有反饋的閉環優化設計迴路，並形成了相應的軟體系統，為設計嚙合性能良好、高強度、低噪聲的弧齒錐齒輪傳動提供了有效的工具。分享友人