Objective To investigate the clinical applicable value of helical ct surface shaded displays (SSD) and volume reconstructions (VR) in patient with tibial plateau fracture.
目的探讨螺旋CT三维表面遮盖法重建(SSD)及容积重建(VR)在胫骨平台骨折诊断中的应用价值。
The helical surface equations of the spherical hob are set up in spherical coordinates. The formulas of the side clearance angle and numerical examples are given.
在球坐标系中，建立了球形滚刀的各个螺旋面方程，推导了侧后角公式，并给出了计算实例。
The paper deals with the generation conditions, variable ranges and the drawing of the projective view of the elongate involute helical surface.
本文主要讨论延长渐开线螺旋面的形成条件、变化范围以及它的投影图绘制方法。
Using a helical involute pinion surface to form the grinding worm surface, a helical face gear is formed via a two-parameter worm envelope.
针对面齿轮硬齿面磨削加工中存在的困难，提出用蜗杆砂轮磨削的双参数法来磨削面齿轮。
This paper analyzed the movement theory of lean rotate Vibration of helical surface and the motion law of materials movement.
分析螺旋面斜向扭转振动传动的原理和螺旋面上物料运动的规律。
The new tooth surface can be prolonged by the normal profile of the internal toroidal surface, or replaced by an equal pitch helical surface.
其二为一种修整的线接触，展成的等螺距齿面与理论轨迹曲面沿某一空间曲线近似相切。
In this paper, a novel helical shaped surface plates capacitance transducer is designed for industrial point of view. It is based on the electrical capacitance tomography (ect).
从工业角度出发，采用电容层析成像技术建立了一种改进型螺旋表面极板电容式传感器。
Milling head all adopt transmission of helical gear, low noise, good strength, high milling workpiece surface finish.
铣削头全部采用斜齿轮传动，噪音低，强度好，工件铣削面光洁度高。
The technique and the approach can effectively aid the designing and choosing of cylinder helical surface machining tools for co-rotating twin-screw.
该方法和技术可以有效的支持同向双螺杆圆柱螺旋面的加工刀具的优选。
Using a helical involute pinion surface to form the grinding worm surface, a helical face gear is formed via a two-parameter worm envelope.
借助一个渐开线斜齿圆柱齿轮的刀具齿面推导出蜗杆砂轮齿面，由蜗杆砂轮齿面经双参数包络生成斜齿面齿轮齿面。
The curved surface equations of the teeth profile on the stator helical surface and the rotor worm are given.
给出了定子螺旋面和转子蜗杆齿廓曲面方程以及行星轮轮齿滚珠与定子螺旋面及转子蜗杆之间的接触线方程。
According to point coordinates on the tooth surface calculated theoretically and using FORTRAN, this paper compiles the programs and builds 3d finite element model of the helical gear.
运用FORTRAN语言，并根据理论计算得到齿面点坐标，编制程序，建立斜齿轮三维有限元分析模型。
A plurality of helical blades are arranged on the outer surface of the cylinder-shaped cyclone cover.
所述旋风盖为圆筒状，外表面设置有螺旋叶片。
A plurality of helical blades are arranged on the outer surface of the cylinder-shaped cyclone cover.
所述旋风盖为圆筒状，外表面设置有螺旋叶片。
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