1.
X axis and Y axis adopt ball spiral rods with excellent precisions and low friction factors.
X.Y轴采用滚珠螺杆传动精度佳，摩擦系数小。
2.
ball recirculating nut steering gear
用封闭循环滚珠螺母[用螺杆和滚珠螺母]的转向机构
3.
The paper theoretically analyses the fraction and stress of the ball globoid worm driving device according to its characteristics.
根据滚珠螺旋传动的特性,对滚珠环面蜗杆传动的摩擦与受力作了理论分析;
4.
Secondly there is error between thethread roll angles of thread rolling die and drill rod.
滚丝轮螺纹和钻杆螺纹的螺旋角有误差。
5.
any of these balls
（滚珠轴承的）滚珠.
6.
Three dimensional FE simulation of ball spinning of inner grooved copper tubes
内螺纹铜管滚珠旋压三维有限元模拟
7.
FE simulation on the ball spinning forming of inner grooved copper pipe
内螺纹铜管滚珠旋压成形有限元模拟
8.
circulating ball gear
(转相装置的)滚珠式蜗杆机构
9.
377 bolt (screw, nut, stud, spring washer, pin, ball bearing, roller bearing) is the most commonly used machine part.
螺栓（螺钉、螺帽、双头螺栓、弹簧垫圈、销、滚珠轴承、滚柱轴承）是最常用的机械零件。
10.
The research of influence factor for dynamic load of ball screw
滚珠螺旋副额定动负荷的影响因数研究
11.
Analysis & Study on the Axial Stiffness of Single-nut Ball Screw Pairs
单螺母滚珠丝杠副轴向刚度的分析研究
12.
The Application of Highspeed and Hard Whirling to Machining Ball Nuts Raceway
高速硬体旋风铣削在滚珠螺母滚道加工中的应用
13.
Lift the ram and position the tappet (with the ball bearing) inside the tester cup.
举起压头，在测试杯中定位挺杆（带滚珠轴承）。
14.
Study on Motion,Force and Strength of Ball Globoid Worm Gear Drive
滚珠环面蜗杆传动的运动受力和强度分析
15.
The Development of Dynamic Measuring Instrument for Checking Lead Errors of Ball Screws of Steering Mechanism
转向器滚珠丝杆导程误差动态检测仪的研究
16.
Study and Application of a New Type of Rolling Screw-nut Pair
一种新型滚动丝杆螺母副的研究与应用
17.
Modeling and Simulation of Large Pitch Ball Screw Nut Formation Grinding
大导程滚珠丝杠副螺母成型磨削加工建模与仿真
18.
Wheel's Section Theory Analysis of Large Pitch Ball Screw Nut
大导程滚珠丝杠副螺母加工中砂轮截形理论分析