Working table fixed, backward moving of double wheel head overall arrangement is used.

采用工作台固定、双砂轮架后移动式布局。

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Servo motor drives the whole wheel head sliding board (Z1, Z2 axis) doing longitudinal running through ball screw.

砂轮架滑台移动(Z 1、z2轴)采用伺服电机带动滚珠丝杠、驱动整个砂轮架滑台的方式。

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The article studies and analyzes the dynamic structure of wheel head of cylindrical grinder, integrated parameters are considered as vibrating factors effecting the wheel spindle flexibility.

本文用结构动力学的分析方法对外圆磨床砂轮架进行分析研究，将其取为具有集中参数且计及砂轮主轴柔度的四自由度振动系统。

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A big wheel may be the head of a company, a political leader, a famous movie star.

VOA: special.2009.11.29

So for tall people who like to sit close to the steering wheel, your head will hit the sunshade in the Fortwo Electric Drive Coupe.

FORBES: Test Drive: Smart Fortwo Electric Drive Is Much Better Than The Gas Version

We would figure it out and then everybody would head to The Wagon Wheel to get breakfast together.

FORBES: Paying It Forward: Silicon Valley's Open Secret to Success

Every few minutes I shook our driver as his head nodded down towards the wheel.

FORBES: Remembering the Road to Baghdad