Three different five-axis machining center designs, double rotary table, double pivot spindle head, rotary table-pivoting spindle head, are mainly described.
介绍了双旋转工作台、双旋转主轴头、摆动主轴头加旋转工作台这三种典型结构高速五轴加工中心的特点及其应用,并综述了五轴加工技术的优势和高速五轴加工机床的关键技术。
In order to increase machining precise, performance improvements for main-spindle direct drive system are studied deeply.
为了提高加工精度,目前人们针对主轴系统的性能改进开展了深入的研究,其中如何将永磁同步电动机系统应用到主轴直接驱动就是一项很重要的研究工作。
Study on PMSM Main-Spindle Direct Drive System;
永磁同步电动机主轴直接驱动系统的研究
Research on Key Technologies of Direct Drive Workpiece Spindle for Gear Hobbing Machine;
零传动滚齿机直接驱动工件主轴关键技术研究
Precise Joint Angle Measurement System for Direct Drive Robot
直接驱动机器人轴角的精密测量系统
shaft-driven oil pump
主轴(驱动的)油泵
Driven: directly driven by motor through jaw resilient coupling.
传动：泵通过爪型弹性联轴器，由电动机直接驱动。
Direct drive to the rolls with heavy-duty helical bevel gears where the output shaft is directly coupled to the roll shaft.
高坚固的螺旋斜线轴承直接驱动辊筒。输出轴直接连接辊轴，中间没有任何传动消耗。
But a camshaft driven directly by the crankshaft gear turns in the opposite direction.
但是凸轮轴被曲轴齿轮直接驱动，其将在相反方向上转动。
direct-drive vibration generator
直接驱动振动发生器
directplunger elevator
活塞直接驱动升降机
direct-connected turbo-generator
直接驱动式涡轮发电机
direct valve gear
直接式气门驱动机构
Thus a normal loom has two shafts. The main shaft(crankshaft or top shaft) drives the lay mechanism and is geared to another shaft which operates at half of the speed of the crankshaft.
这样,普通织机应具备两根轴,主轴(曲拐轴或位于上部的轴)驱动筘座并通过齿轮驱动另一根轴。
Drive axle (4WD), tube axle (2WD)
驱动轴（4轮驱动），管轴（2轮驱动）
transistor PWM converter for AC main spindle drive
交流主轴驱动晶体管脉宽调制变频器
In this system the loom physically drives the warp beam through a gear system to feed warp yarns at a predetermined rate.
在该机构中,织机通过齿轮系统直接驱动织轴,将经纱按既定速度送出来；
Floating hammer, force of impact don't act on basic shaft and surface, have buffer action.
、环锤浮动，冲击力不直接作用于主轴和壳体，有一定的缓冲作用。
Dynamic characteristics analysis of the brushless DC motor direct drive system
无刷直流电动机直接驱动系统动态特性分析
Research on Direct Drive Volume Control Electro-Hydraulic Servo Active Mass Driver System
直驱式电液伺服主动质量驱动系统研究