根据气压流体控制原理，采用气动直线驱动技术和真空吸附技术，研制出气动送料机。
According to air flow control principle, by adoption of pneumatic line drive technology and vacuum suction technology, pneumatic feeding mechanism was manufactured.
特点：本机采用四凸轮及连杆原理，驱动下工作台(下工作台面安装下模具)，作直线运动和翻转运动。
Feature: our machine adopted four-cams and connecting rod elements to drive lower workbench which the mould on it, do rectilinear movement and tilting motion.
提出了一种矩形振子面内弯曲模态直线超声电机，分析了振子面内弯曲模态的激发原理及电机的驱动机理。
A linear ultrasonic motor based on the two different in-plane bending modes of rectangular actuator were presented.
压电尺蠖精密驱动器是基于尺蠖原理实现双向、大行程、高精度直线运动的精密驱动器。
Piezoelectric inchworm precision linear actuator based on the inchworm principle achieves a bidirectional large-travel and high-precision linear motion.
介绍了直线电机驱动抽油机的工作原理、结构和特点，对其悬点运动、载荷及平衡重的计算作了分析，研究了修井作业时应注意的事项。
The working principle, structure and features are introduced in this paper. An analysis of calculation for lifting point movement, load and balance weight is introduce as well.
介绍了直线电机驱动抽油机的工作原理、结构和特点，对其悬点运动、载荷及平衡重的计算作了分析，研究了修井作业时应注意的事项。
The working principle, structure and features are introduced in this paper. An analysis of calculation for lifting point movement, load and balance weight is introduce as well.
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