试验表明：该模型可有效控制螺旋转子的成型质量和成型效率。
The molding test shows that the mathematic model can control effectively the quality and efficiency of helix rotor molding.
螺旋转子的加工一般是在普通铣床上采用成形刀及配挂齿轮的方法加工而成。
Helical rotor is usually machined by shaped tools or equipped gears in common milling machine.
螺旋转子是转子流量仪表中的心脏零部件，其截面形状一般由渐开线和摆线组合而成。
Helical rotor is the most important part of rotor flow meter, and its section shape is normally formed by involute and cycloid.
螺旋转子制造技术是各种螺旋杆机械如螺旋杆钻具、螺旋泵等设备制造中的一项关键技术。
The technology of manufacture about helical rotor is vital to the manufacture of various helical poles, such as helic-borer and helic-pump.
构造了双螺旋转子几何特性数字化设计软件方案，实现了双螺旋转子几何特性的自动计算与输出。
Digital design software scheme of the geometry character is set up, and automatic calculation and output of the geometry character of the twin - helical rotors is implemented.
开展双螺旋转子数字化设计方法与技术的研究，有助于大幅度提升螺旋转子的设计质量、水平和效率。
Through studies on the digital design methodology and technology of the twin-helical rotors, the design quality, level and efficiency of the helical rotors can be greatly improved.
较为详细地描述了螺旋转子的三维可视化自动建模实现方案，对转子端面型线和扫描螺旋线的生成原理进行了深入分析。
The implement scheme of the automatic modeling is described in detail, and the generation principles of the rotor profile and the scanning helix are analyzed deeply.
这是一个无人驾驶的双翼飞机，它有着自动钢琴的风箱来为回旋装置提供动力，以及一个收银机的机械装置——通过记录类似螺旋推进器的转子的旋转次数来计算飞行的距离。
It was an unmanned biplane with player-piano bellows to power its gyroscope and a cash-register mechanism that calculated distance flown by counting the rotations of a propeller-like rotor.
今天最常用的旋转泵是外齿轮泵、内齿轮泵、摆线转子泵、滑动叶片泵和螺旋泵。每种类型的泵都有优点，适合于特定场合的应用。
The most common rotary-pump designs used today are spur-gear, generated-rotary, sliding-vane, and screw pump, each type has advantages that make it the most suitable for a given application.
今天最常用的旋转泵是外齿轮泵、内齿轮泵、摆线转子泵、滑动叶片泵和螺旋泵。每种类型的泵都有优点，适合于特定场合的应用。
The most common rotary-pump designs used today are spur-gear, generated-rotary, sliding-vane, and screw pump, each type has advantages that make it the most suitable for a given application.
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