According to eigenvalue equation ( general formula ) of the energy method of the plane steel frame structure stability, and considering the restriction of the end of the column of the main steel frame and function of deflection curve gained from the differential balance equation general resolution, we get the equation for calculating the length coefficient of the main frame structure stability of the steel arch gate and the resolutions are also given
根據平面剛架穩定性能量法特徵值方程(通式) ,考慮
弧形鋼閘門主框架
柱的
柱端約束的特殊情況,求出撓曲線函數(試解函數)通解,得到
弧形鋼閘門主框架
柱穩定性計算長度系數方程。其中
弧門主框架主橫梁式形框架的臨界荷載比較現行規范推薦的有限元法簡單方便、結果精確及物理概念明確等優點。
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 。
Fig. 1 - 1 a, straight ( rectangular ) tourniquets fit optimally on cylindrical limbs. b, curved tourniquets best fit conical limbs. ( from pedowitz ra, gershuni dh, botte mj, et al : clin orthop 287 : 237, 1993
圖1 1a直(長方形)止血帶最適合用於
柱狀的肢體。 b
弧形止血帶適用於圓錐形的肢體。
Our products are matched with electric hammer machines of bosch, aeg, black decker, hilti, phillips, hitachi, and makitak etc. the petiole is cylinder with double arc and groove
本公司的產品與bosch aeg black decker hilti phillips hitachi makitak等公司電錘機配套。柄部為帶雙圓
弧雙鍵槽的圓
柱體。
Among the results of these researches, cylindrical gears with curvilinear tooth trace have merits as follows : higher bending stress, low noise, better lubrication conditions, and no thrust forces. so this kind of gear can be considered to substitute the helical gear and herringbones
本文提出的
弧齒線圓
柱齒輪是一種新型齒輪傳動形式,具有傳動平穩、噪聲低、潤滑性能良好、輪齒彎曲疲勞強度大的特點,因此該齒輪可以作為斜齒輪和人字齒輪的替代品用於高速重載場合。
The stability behavior of kiewitt ' s suspen - dome was analyzed on the initial state. by the geometrical nonlinear finite element method, the equilibrium path is traced using the cylindrical arc length technology and incremental newton - raphson method. the influence of kinds of parameters is studied
採用非線性有限元理論,結合牛頓荷載增量法和
柱面
弧長法的跟蹤技術,對kiewitt型弦支穹頂結構進行了考慮幾何非線性的全過程分析;為了掌握各個參數對靜力穩定性的影響程度,進行了參數分析。
Jinlong stone arts factory was set up in 1993, covering an arer of 2, 000 square meters, which is a private enter prise engage in processing stone crafts. the factory has advanced stone processing machine in producing arc slabs, columu head, coumn base, ro man column, stone border, stone patterning with water cutting kinfe, fountain ball and st one carving. by using the multi - function column making machine and infrared stone border profiling machine, the factoey can produce high quality products with perfect skills, including column, aperture linking of stone border, angle, arc angle, polish limit etc
金龍工藝廠創辦於1993年,廠房佔地面積2000多平方米,是一家從事石材工藝加工的企業,擁有加工圓
弧板、
柱頭、
柱座、羅馬
柱、石線、水刀藝術拼花、風水球、雕刻等先進的石材機械,採用多功能圓
柱刨
柱機,紅外線石線仿型機,以精細的石材加工工藝使圓
柱、石線的拼逢、角度、圓
弧度、光澤度等在加工質量有突破性飛躍。
Study on stepper motor arc stud welding gun and control system
步進式電
弧螺
柱焊槍及控制系統的研究
Potential gradient in the arc column
弧柱電位梯度
Voltage drop in arc column
弧柱壓降
Influence of laser parameters on plasma arc beam shaping in the relativistic laser - plasma system
等離子體系統中模擬激光參數對等離子
弧柱形態的影響
This paper has studied the structure of the one - sixth turn axial magnetic field of the cup vacuum interrupter with iron core and distribution of the axial magnetic field. the axial magnetic field reduces loss of radial energy of arc post plasma, and makes the arc voltage reduce
本文著重研究了帶鐵芯的1 / 6匝杯狀縱磁真空滅弧室的結構以及縱向磁場的分佈,縱向磁場的引入降低了弧柱等離子體徑向能量損失,使電弧電壓降低。