quick-return mechanism 急回机构
quick-return motion 急回运动
raceway 滚道
rack 齿条
rack cutter; rack-shaped shaper cutter 齿条插刀
rack gear 齿条传动
radial (or in-line ) roller follower 对心滚子从动件
radial (or in-line ) translating follower 对心直动从动件
radial bearing 向心轴承
radial contact bearing 径向接触轴承
radial direction 径向
radial internal clearance 径向游隙
radial load 径向载荷
radial load factor 径向载荷系数
radial plane 径向平面
radial reciprocating follower 对心移动从动件
radius of base circle 基圆半径
radius of curvature 曲率半径
radius of roller 滚子半径
ratchet 棘轮
ratchet mechanism 棘轮机构
rating life 额定寿命
reciprocating follower 移动从动件
reciprocating motion 往复移动
reciprocating seal 往复式密封
reduction gear 减速齿轮、减速装置
reduction ratio 减速比 redundant (or passive) constraint 虚约束
redundant degree of freedom 冗余自由度
reference circle; standard (cutting) pitch circle 分度圆
reference cone; standard pitch cone 分度圆锥
reference line; standard pitch line 分度线
regulator, governor 调速器
relative gap 相对间隙
relative motion 相对运动
relative velocity 相对速度
reliability 可靠性
reliability design, RD 可靠性设计
repeated fluctuating load 交变载荷
repeated stress 交变应力
residual stress 残余应力
resistance 阻抗力
resultant bending moment 合成弯矩
resultant force 合力
resultant force 总反力
resultant moment of force 合力矩
resultant moment of inertia 惯性主矩
resultant vector of inertia 惯性主失
return 回程
revolute (turning) pair 转动副
revolute joint 转动关节
revolving shaft 转轴
Reynolds‘s equation 雷诺方程
right triangle 直角三角形
rigid bearing 刚性轴承
rigid circular spline 刚轮
rigid coupling 刚性联轴器
rigid impulse (shock) 刚性冲击
rigid rotor 刚性转子
ring gear 内齿圈
rise 升程
rise 推程
rivet 铆钉
robot 机器人
robotics 机器人学
robust design 稳健设计
rocker 摇杆
roller 滚子
roller bearing 滚子轴承
roller chain 滚子链
roller clutch 滚柱式单向超越离合器
roller follower 滚子从动件
rolling bearing 滚动轴承
rolling bearing identification code 滚动轴承代号
rolling element 滚动体
rotary motion 旋转运动
rotating seal 旋转式密封
rotor 转子
rotor with several masses 多质量转子
round belt 圆带
round belt drive 圆带传动
rubber-cushioned sleeve bearing coupling 弹性套柱销联轴器
running torque 旋转力矩