Gearless ultra low speed motor drive idler gear 无齿轮传动超低速电动机
With the requirement of machining efficiency and accuracy becoming higher, numeric control machining technology is developed towards high speed and ultra-high speed, precision and ultra precision, the linear servo drive feed unit with high precision and high speed response ability is produced. 随着对零件加工效率和精度的要求越来越高,数控加工技术正向高速和超高速化、精密和超精密化的方向发展,具有高精度和高速反应能力的直线伺服进给单元应运而生。
Precision and ultra precision work is one of the most important directions of advanced manufacturing area, while technique of precision micro drive is the key to carry it out. So the study of micro actuators is one of the focuses of mechanical study. 精密加工和超精密加工是先进制造领域的重要方向之一,而精密微驱动技术,即微执行器技术是精密加工和超精密加工实现的关键,有关微执行器的研究成为机械研究的热点之一。
Oil displacement efficiencies of different displacement modes have been evaluated through ultra long basic tubular model, a physical simulation method, to determine the applicability of compound steam flue gas drive after steam huff and puff Appropriate recovery mode and optimized injection parameters were also determined. 通过物理模拟试验手段&利用特长基础管式模型,评价各种驱替方式的驱油效率,以探讨蒸汽吞吐后转蒸汽复合烟道气驱的适应性。确定合适的开采方式和优化的注入参数。
Both the rich and the ultra wealthy are using their resources to create change in society and garner influence, and many philanthropists now look to leverage their investments to drive change on an international rather than a local level. 普通富人和超级富豪都在利用其资源来引发社会变革,施加影响,而且很多慈善家现在都寻求在国际、而非国内层面,利用投资来推动变革。