Nomenclature for an involute spur gear渐开线直齿专门术语1-face 齿顶面2-flank 齿根面3-bottom land 齿根4-pitch circle 节圆5-clearance circle 顶隙圆6-dedendum circle 齿根圆7-fillet radius 过渡圆半径8-width of space 齿槽宽度9-circular pitch 圆弧节距10-tooth thickness 齿厚11-clearance 顶隙12-face width 齿宽13-top land 齿顶面14-addendum 齿顶高15-dedendum 齿根高16-outside circle 齿顶圆基准齿条(Standard Rack):只基圆之尺寸,齿形,全齿高,齿冠高及齿厚等尺寸均合乎标准正齿轮规格之齿条,依其标准齿轮规格所切削出来之齿条称为基准齿条.基准节圆(Standard Pitch Circle):用来决定齿轮各部尺寸的基准圆.为齿数x模数基准节线(Standard Pitch Line):齿条上的一条特定节线或沿此线测定之齿厚,为节距的二分之一.作用节圆(Action Pitch Circle):一对正齿轮在咬合作用时,各有一相切做滚动的圆.基准节距(Standard Pitch)：以选定的标准节距做基准者,与基准齿条的节距相等.节圆(Pitch Circle):两齿轮连心线上的咬合接触点在各齿轮上留下的轨迹称为节圆. 节径Pitch Diameter):节圆直径.全齿高(Whole Depth):齿冠高与齿根高之和.有效齿高(Working Depth):一对正齿轮齿冠高的和.又称工作齿高.齿冠高(Addendum):齿顶圆与节圆半径的差.齿根高(Dedendum):节圆与齿底圆半径的差.齿厚(Tooth Thickness):沿节圆量测的齿厚.齿隙(Backlash):两齿咬合时,齿面与齿面的间隙.齿宽(Face Width):轴径方向的齿轮厚度.齿顶隙(Clearance):两齿咬合时,一齿轮的齿顶圆与另一齿轮底间的空隙.节点(Pitch Point):一对齿轮咬合与节圆相切的点.基圆(Basic Circle):绘制渐开线齿形时作为基础之圆.齿根圆(Dedendum Circle):通过齿根之圆.节距(Pitch):相邻两齿间相对应点的弧线距离.法向节距(Normal Pitch):渐开线齿轮沿特定断面的同一垂线所测得的节距.齿轮及齿轮加工相关英语词汇1 abrasive tooth wear 齿面研磨磨损2 absolute tangential velocity 绝对切向速度3 accelerometer 加速表4 addendum 齿顶高5 addendum angle 齿顶角6 addendum circle 齿顶圆7 addendum surface 上齿面8 adhesive wear 粘着磨损9 adjustability 可调性10 adjustability coefficients 可调系数11 adjusting wedge 圆盘端铣刀的可调型楔块12 allowable stress 允许应力13 alternate blade cutter 双面刀盘14 angular backlash 角侧隙15 angular bevel gears 斜交锥齿轮16 angular displacement 角移位17 angular pitch 齿端距18 angular testing machine 可调角度试验机19 approach action 啮入20 arbor 心轴21 arbor distance 心轴距22 arc of approach 啮入弧23 arc of recess 啮出弧24 attraction 收紧25 average cutter diameter 平均刀尖直径26 axial displacement 轴向位移27 axial factor 轴向系数28 axial locating surface 轴向定位面29 axial pitch 轴向齿距30 axial plane 轴向平面31 axial rakeangle 轴向前角32 axial thrust 轴向推力33 axle testing machine 传动桥试验机B1 back angle 背锥角2 Back angle distance 背角距（在背锥母线方向）3 Back cone 背锥4 Back cone distance 背锥距5 Back cone element 背锥母线6 Backlash 侧隙7 Backlash tolerance 侧隙公差8 Backlash variation 侧隙变量9 Backlash variation tolerance 侧隙变量公差10 Bandwidth 频带宽11 Base circle 基圆12 Base diameter 基圆直径13 Base pitch 基节14 Base radius 基圆半径15 Base spiral angle 基圆螺旋角16 Basic rack 基本齿条17 Bearing 轴承18 Bearing preload 轴承预负荷19 Bearing spacing／spread 轴承间距20 Bending fatigue 弯曲疲劳21 Bending stress 弯曲应力22 Bevel gears 锥齿轮23 Bias 对角接触24 Bias in 内对角接触25 Bias out 外对角接触26 Blade angle 刀齿齿廓角27 Blade edge radius 刀尖圆角半径28 Blade letter 刀尖凸角代号29 Blade life 刀尖寿命30 Blade point width 刀顶宽31 Blank offset 毛坯偏置距32 Bland position 毛坯位置33 Bottom land 齿槽底面34 Boundary lubrication 界面润滑35 Breakage 破裂36 Bridged contact pattern 桥型接触斑点37 Broach 拉刀38 Burnishing 挤齿C1 Case crushing 齿面塌陷2 CBN 立方氮化硼3 chamfer 倒角4 chordal addendum 弦齿高5 chordal thickness 弦齿厚6 chuck 卡盘7 circular broach 圆拉刀8 circular face-mill 圆盘端面铣刀9 circular peripheral-mill 圆盘铣刀10 circular pitch 周节11 circular thickness 弧齿厚12 circular thickness factor 弧齿厚系数13 clearance 顶隙14 clearance angle 后角15 coarse pitch 大节距16 coast side 不工作齿侧17 combination 组合18 combined preload 综合预负荷19 complementary crown gears 互补冠状齿轮20 completing cycle 全工序循环21 composite action 双面啮合综合检验误差22 compressive stress 压应力23 concave side 凹面24 concentricity 同心度25 concentricity tester 同心度检查仪26 cone distance 锥距27 cone element 锥面母线28 conformal surfaces 共型表面29 coniskoid 斜锥齿轮30 conjugate gears 共轭齿轮31 conjugate racks 共轭齿条32 contact fatigue 接触疲劳33 contact norma 接触点法线34 contact pattern (tooth contact pattern) 轮齿接触斑点35 contact ratio 重合度36 contact stress 接触应力37 continuous index 连续分度38 control gear 标准齿轮，检验用齿轮39 convex side 凸面40 coolant 冷却液41 corrosive wear 腐蚀性磨损42 corrugated tool 阶梯刨刀43 counter forma surfaces 反法向表面44 cradle 摇台45 cradle test roll 摇台角46 cross 大小端接触47 crossing point 交错点48 crown 齿冠49 crown circle 锥齿轮冠圆50 crowned teeth 鼓形齿51 crown gear 冠轮52 crown to back （轮冠距）轮冠至安装定位面距离53 crown to crossing point 轮冠至相错点距离54 cutter 刀盘55 cutter axial 刀盘的轴向位置56 cutter axial plane 刀盘轴向平面57 cutter axis 刀盘轴线58 cutter diameter 刀盘直径59 cutter edge radius 刀刃圆角半径60 cutter head 刀盘体61 cutter number 刀号62 cutter parallel 刀盘平垫片63 cutter point diameter 刀尖直径64 cutter point radius 刀尖半径65 cutter point width 刀顶距66 cutter spindle 刀盘主轴67 cutter spindle rotation angle 刀盘主轴转角68 cutting distance 切齿安装距69 CV testing mashing 常速试验机70 cyclex 格里森粗铣精拉法圆盘端铣刀71 cylindrical gears 圆柱齿轮D1 Datum tooth 基准齿2 Debur 去毛刺3 Decibel (CB) （噪音）分贝4 Decimal ratio 挂轮比值5 Dedendum 齿根高6 Dendendum angle 齿根角7 Dedendum surface 下齿面8 Deflection 挠曲9 Deflection test 挠曲试验10 Deflection testing machine 挠曲试验机11 Depthwise taper 齿高收缩12 Design data sheet 设计数据表13 Destructive pitting 破坏性点蚀14 Destructive wear 破坏性磨损15 Developed setting 试切调整16 Dial indicator 度盘式指示表17 Diametral pitch 径节18 Diamond 菱形接触19 Dinging ball check 钢球敲击检查20 Disc-mill cuter 盘铣刀21 Dish angle 凹角22 Displacement 位移23 Displacement error 位移误差24 Double index 双分度25 Double roll 双向滚动26 Down roll 向下滚动27 Drive side 工作齿侧28 Duplete 双刃刀29 Duplex 双重双面法30 Duplex helical 双重螺旋法（加工方法之一）31 Duplex spread blade 双重双面刀齿（加工／磨齿方法）32 Duplex taper 双重收缩齿33 Durability factor 耐久系数34 Dynamic factor 动载荷系数E。