机械相关专业词汇集锦阿基米德蜗杆Archimedesworm安全系数safetyfactor;factorofsafety安全载荷safeload凹面、凹度concavity扳手wrench板簧flatleafspring半圆键woodruffkey变形deformation摆杆oscillatingbar摆动从动件oscillatingfollower摆动从动件凸轮机构camwithoscillatingfollower摆动导杆机构oscillatingguide-barmechanism摆线齿轮cycloidalgear摆线齿形cycloidaltoothprofile摆线运动规律cycloidalmotion摆线针轮cycloidal-pinwheel包角angleofcontact保持架cage背对背安装back-to-backarrangement背锥backcone;normalcone背锥角backangle背锥距backconedistance比例尺scale比热容specificheatcapacity闭式链closedkinematicchain闭链机构closedchainmechanism臂部arm变频器frequencyconverters变频调速frequencycontrolofmotorspeed变速speedchange变速齿轮changegear;changewheel变位齿轮modifiedgear变位系数modificationcoefficient标准齿轮standardgear标准直齿轮standardspurgear表面质量系数superficialmassfactor表面传热系数surfacecoefficientofheattransfer表面粗糙度surfaceroughness并联式组合combinationinpara