rotary field

Based on the theory of static magnetic field, the surface magnetic field on the high-resolution multi-pole magnetic drum for a magnetic rotary encoder was analyzed. The visual curves of the surface magnetic field distribution were obtained by numerical calculation and plotting.

应用静磁场理论分析了高分辨磁旋转编码器磁鼓的表露磁场，通过数值计算得到磁鼓表露场分布的直观曲线。

The utility model relates to a driving force device for an air suction ventilator of a rotary cultivator seeder, which relates to the technical field of a rotary cultivator and a seeder.

本实用新型涉及一种旋耕播种机气吸风机驱动力装置，涉及旋耕机、播种机技术领域。

Here, the torque load characteristics of the universal joint transmission shaft are analysed with the rotary tiller, combine and pickup baler in the condit-ions of field operation and starting.

本文分析了旋耕机、联合收割机与捡拾压捆机的万向节传动轴的扭矩载荷特点；

Analysis of three-dimensional finite element electromagnetic field of rotary eddy current retarder

转筒式电涡流缓速器电磁场三维有限元分析

According to the field applications of jet type hydraulic percussion tools, the main problems which affect the development rotary percussion drilling technology are put forward. At last several opinions are concluded about how to improve the efficiency of rotary percussive drilling tools.

并根据射流式液动冲击器现场试验应用，阐述了影响冲击旋转钻进技术发展的的主要问题，提出了提高冲击旋转钻井工具应用效果的几点看法。

Study and design of vertical rotary cultivator for use in paddy field

立旋式水稻中耕机的研究设计