Gantry structures, Y axis use simultaneous dual motor and drive, X, Y, Z axis with circular rail (formula type linear guide can be chose), steady transmission, high precision.

龙门式结构，Y轴采用同步双电机双驱动，X、Y、Z三轴采用圆导轨（可选配方型直线导轨），传动平稳，运行。

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The cylindrical type ultrasonic motor USES bending vibration of cylindrical stator to drive rotor.

柱体型超声波电机依靠圆柱定子的弯曲振动驱动转子旋转。

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This paper gives the design of a new type, high torque VR step motor-dual stator VR step motor which can be used to drive robots directly.

本文给出一种新型，高转矩VR步进电动机——双定子VR步进电动机的设计。该电机可用于机器人的直接驱动。

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