弧頭 的英文怎麼說
中文拼音 [hútóu]-
The gearing machine tool of the model y3150e is modified and a new milling head is designed to cut the envelope tooth of the pinion using allelomorph method. a assembled drawing of clamp for cutting the tooth shape of circle - arc gear is also presented
對y3150e型滾齒機進行改造,設計出一新型的銑削頭,利用對偶法加工小齒輪的圓弧包絡線齒形;同時也給出了加工大齒輪圓弧齒形的夾具裝配圖。The indegree of a vertex v in d is the number of arcs with head.
VD中頂點V的入度是指以V為頭的弧的數目。The arc lights were sputtering overhead, and high up were the lighted windows of the tall office buildings
弧光燈在頭頂上方閃爍。更高處,寫字樓的窗子里透出光明。Up - down bisection is an arc, horizontal type. innovative insert plates and fixing bolts are used to fix and seal fosc, and its installation is quite simple
光纜接頭盒外形按弧線型臥式結構設計,上下對開,整體採用創新的插板卡緊結構和少量螺釘固定密封,安裝極為方便。According to the fact that freeze - resisting measure is needed to be taken for the gates operating in winter and low head arch gates, electrothermic freeze - resisting device is designed in this thesis
本文根據冬季有運行要求的閘門及低水頭弧形閘門需要採取防凍措施的實際情況,研究設計了一種電熱型防凍裝置。Based on the principal of fuzzy clustering, the paper puts forward a new method for extracting circular arcs on curves. the proposed method can extract circular arcs accurately, and has been applied to extracting arcs on hipbones contour
根據模糊聚類原理,本文提出了一種用於圓弧提取的方法,能精確地提取出曲線中存在的圓弧,已應用到股骨頭輪廓圓弧的提取。The consonant that begins a syllable is called an initial and there are 21 of them in modern chinese ( the international phonetic alphabet in the brackets )
一個音節開頭的輔音叫做聲母。現代漢語一共有21個聲母(方括弧內是國際音標) 。They low - hand snap pass, chest pass ( push ), lob pass, fake pass, bounce pass, one - hand pass, long pass, short pass, low pass, return pass, rolling pass ( floor ), shoulder pass, tap pass, passing in pairs, threeman inter - passing, side pass, cross pass, forward the ball, in - the air pass, jump pass, loop pass, passing lane, and pass - out
它們是雙手胸前傳球、胸前傳球、高吊球、假傳球、反彈傳球、單手傳球、長傳、短傳、低轉球、上手傳球(頭上傳球) 、回傳球、傳地滾球、肩上傳球、拍球、二人傳球、三人傳球、側傳球、橫傳球、向前傳球、空中傳球、跳起傳球、弧形傳球等。Wrought steel buttwelding short radius elbows and returns
可鍛鋼對接焊弧形彎頭和回轉管Jointing cable with carbide arc air gouging method
碳弧氣刨製作電纜中間頭Backing weld procedure technique of all - position narrow gap and thick - walled pipe welding is developed about all - position single - pass welding section analysis, wire feeding behavior, weld arc length, welding current analysis, procedure and joint test. the achievement has general guide meaning to producing and testing all - position welder
從單焊道全位置區段、送絲行為、焊接弧長(電壓) 、電流行為分析、工藝試驗和接頭檢驗等幾方面介紹管道全位置打底焊工藝特點,其研究成果對全位置焊接機的製造和調試具有普遍指導意義。Abstract : backing weld procedure technique of all - position narrow gap and thick - walled pipe welding is developed about all - position single - pass welding section analysis, wire feeding behavior, weld arc length, welding current analysis, procedure and joint test. the achievement has general guide meaning to producing and testing all - position welder
文摘:從單焊道全位置區段、送絲行為、焊接弧長(電壓) 、電流行為分析、工藝試驗和接頭檢驗等幾方面介紹管道全位置打底焊工藝特點,其研究成果對全位置焊接機的製造和調試具有普遍指導意義。Specification for approval testing of welders working to approved welding procedures - arc welding of tube to tube - plate joints in metallic materials
按認可焊接工藝操作的焊工鑒定考試規范.第3部分:金屬管與管板接頭間電弧焊Design methods for arc welded joints of steel for railway rolling stock
鐵路車輛用鋼材的電弧焊接頭設計方法High temperature mechanical properties of manual argon arc welded joint of 10cr9mo1vnb steel
鋼手工氬弧焊焊接接頭的高溫力學性能Destructive tests on welds in metallic materials. hardness testing. part 1 : hardness test on arc welded joints
金屬材料焊接的破壞性試驗.硬度試驗.第1部分:電弧焊接頭的硬度試驗By this solution, a balde body model can be created by the optimization of the parametric grid of the blade body surface. some key techniques used in the solution, such as the computation of the data points on the meanline, the technology of cotinuty between the leading line and the outline of the blade body and the technology of the cross - section curve discretization, are disserated, and corresponding algorithm are presented in this paper
在進行參數網格優化的過程中,需要進行中弧線數據點求解、緣頭拼接和截面線離散,本文對以上三個問題進行了深入研究,並在此基礎上提出了中弧線數據點求解演算法,緣頭拼接演算法和截面線離散演算法等研究成果。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。Hardmetal burrs ; arch round nose burrs
硬質合金旋轉銼.圓弧頭旋轉銼Gear form is precisely, plotted by portray point. for friendly user interface, the dialog - box is given, using dcl language to compile dialog box program. because the given program can not only output all the optimum basic parameters of pump gear, but also simulate the meshing process of a pair of pump gears, gear pump can be designed and manufactured economically
精確繪出泵齒輪的輪齒幾何形狀,尤其精確繪制出了標準齒輪滾刀切出的齒根過渡曲線,演示了國標雙圓弧頭標準滾刀加工泵齒輪的過程,並實現了泵齒輪副的嚙合模擬,這些對檢查輪齒干涉以及確定齒輪泵的卸荷槽位置和形狀提供了依據。分享友人