Base on understanding of characteristics of ballscrew, the positioning systems with ballscrew for long stroke positioning with nanometer resolution are reviewed. 提出一种基于差压式气路的微纳米级分辨力气针传感器的设计和工作原理,并对其静态特性进行了理论分析和实验研究。
Linear-and-angular-movement pickup Analytical Solution and Nonlinear Error of Long Stroke Displacement Transducer 线位移和角位移传感器长行程位移传感器的解析分析及其非线性误差
Application of SRD to Energy Saving Long Stroke Pumping Unit 开关磁阻电机在节能长冲程抽油机的应用
Chain type long stroke pumping unit is mainly used in mid and anaphase oilfield. 链式长冲程抽油机主要是为开采中、期油田而设计的。
Modeling and Simulation for Blank Cartridge Launching System with Long Stroke and Lower Overload 大行程低过载抛放弹弹射系统建模与仿真
The scheme meets the test requirements on long stroke and high precision impact of electric impact platforms, and simultaneously supports and guides moving coils. 本方案解决了在对动圈支撑导向的同时,满足电动冲击台长冲程、高精度冲击的试验要求。
Numerical Simulation and Experimental Research on a Long Stroke Lead Shear Damper 大行程铅剪切阻尼器的数值模拟与试验研究
The favourable conditions for developing the drum type long stroke pumping unit are expounded. 论述了发展滚筒式长冲程抽油机的有利条件。
This belt driven design provides modest load carrying capacity, high speed and very long stroke more 驱动设计提供了温和的承载能力,速度快,很长冲程更多这带
Many idler pulleys are adopted in the structure of the new type chain pumping unit instead of girder pole in traditional connection mode, which can achieve a long stroke at work. 新型链条抽油机采用链条轨来代替传统抽油机连杆的硬连接以满足大冲程的工作要求。
Applying this measure system in nanometer degree location system, location measurement with high resolution and low error can be realized, which provides great guarantee for the motion control system of stages with multi-dimension, long stroke, high speed and high accuracy. 这种测量系统运用在纳米级定位系统中,可以实现高分辨率低误差的位置测量,为工件台多自由度、大行程、高速高精的纳米级运动控制提供了重要保障。
Currnt status and development of long stroke pumping units 长冲程抽油机的现状与发展
Macro/ micro feed drive system has a long stroke with ultra precision. 采用宏/微结合双驱动进给系统能使系统在大行程范围内具有较高的定位精度。
While the simulation software Pro/ MECHANICA was used here, we made the dynamics realistic model for the pumping unit, then we proceeded the simulation analyses for the long stroke pumping unit. 采用Pro/MECHANICA机械系统动力学仿真软件,建立了以三维实体结构为基础的长冲程转轮式抽油机动力学仿真模型,并对抽油机的动力学特性进行了仿真分析。
Analysis of application results of long stroke pumping unit 长冲程抽油机应用效果分析
Some Remarks on the Development of Long Stroke Pumping Units 对发展长冲程抽油机的几点看法
This paper reports the design and development about a high speed diesel engine with a long stroke on a turbo-charged one. 本文介绍了一种超长行程的高速柴油机的设计与研制。该型发动机的原机是增压型。
At the same time, there are still many problems for the beam pumping system, such as long driving chain, poor flexibility, tremendous volume and weight in long stroke, and low efficiency. 此外,游梁式抽油机系统还存在传动链长、柔性差、在长冲程时体积和重量巨大、系统效率低等问题。
Design and Development of a High Speed Diesel Engine with Long Stroke 一种超长行程的高速柴油机设计与研制
The structure, stroke, precision and safety required by a long stroke cylinder are resolved. 给出了一种先进的适合长行程液压缸位移测量,兼具防护功能的非接触测量方法,解决了长行程液压缸位移测量对结构、行程、精度、安全等问题的要求。
The working principle of a load-belt long stroke pumping unit with mechanical reverse mechanism is introduced, parameters such as counterweight mass, stiffness and deformation of buffer springs and the tension of flexible belt are analyzed, and an example of calculation is presented. 介绍了机械自动换向宽带长冲程抽油机的工作原理,对其配重质量、缓冲弹簧刚度和变形量、柔性带张力等参数进行了分析和计算,并给出了计算实例。
It is a micro actuator with high resolution and long stroke. 这是一种具有极高的分辨率(几个纳米),长工作行程(几十厘米)的微驱动器。
A Automatic Adjusting Framework Applying for a Long Stroke Piston Reciprocating Pump 应用于长冲程活塞往复泵上的一种自动调心结构
Three driving modes of different velocity and resolution ( AC mode, GATE mode and DC mode) are used to realize both long stroke length and high resolution. 通过三种不同速度和分辨率的驱动方式(AC模式,GATE模式和DC模式)兼顾大行程与高分辨率的驱动。
Simplified Analysis of the Kinetic Model of Long Stroke Pumping Unit System 长冲程抽油机系统动力学模型简化分析
The application of single-action sleeve telescopic cylinder can help to solve the contradiction of long stroke and narrow workplace. 应用后法兰单作用套筒伸缩气缸可以解决行程太长而工作场所较窄的矛盾。
For the high development speed of IC manufacturing and its importance to the development of nation, the long stroke, high speed and high precision of positioning technique is needed. IC制造业的高速发展以及它在国家发展中的重要性要求我们努力发展大行程、高速度和高精度的定位技术。
Actually, reciprocating pump are on a long stroke, low flush times development direction, some scholars proposed hydraulic drive and linear motor drive reciprocating pump. 如今,往复泵正朝着长冲程、低冲次方向发展,有学者提出了液压驱动往复泵和直线电机驱动往复泵。
Ultra-precision feed system with a macro-micro drive has gradually become the new trend of research, and shows its advantages particularly in the processing area with requirements of high precision and long stroke. 宏微驱动超精密进给系统逐渐成为研究的新趋势,尤其在对加工精度要求高、行程要求大的加工领域,宏微驱动进给系统体现出其独特的优点。