阿基米德蜗杆Archimedes worm
安全系数safety factor; factor of safety
安全载荷safe load
凹面、凹度concavity
扳手wrench
板簧flat leaf spring
半圆键woodruff key
变形deformation
摆杆oscillating bar
摆动从动件oscillating follower
摆动从动件凸轮机构cam with oscillating follower
摆动导杆机构oscillating guide-bar mechanism
摆线齿轮cycloidal gear
摆线齿形cycloidal tooth profile
摆线运动规律cycloidal motion
摆线针轮cycloidal-pin wheel
包角angle of contact
保持架cage
背对背安装back-to-back arrangement
背锥back cone;normal cone
背锥角back angle
背锥距back cone distance
比例尺scale
比热容specific heat capacity
闭式链closed kinematic chain
闭链机构closed chain mechanism
臂部arm
变频器frequency converters
变频调速frequency control of motor speed
变速speed change
变速齿轮change gear change wheel
变位齿轮modified gear
变位系数modification coefficient