齿轮基本术语齿轮Toothed gear；Gear齿面Tooth flank 长幅内摆线Prolate hypocycloid齿轮副Gear pair 右侧齿面Right flank 短幅内摆线Curtate hypocycloid平行轴齿轮副Gear pair withparallel axes左侧齿面Left flank 渐开线Involute；Involute to a circle相交轴齿轮副Gear pair withintersecting axes同侧齿面Correspondingflank延伸渐开线Prolate involute齿轮系Train of gears 异侧齿面Opposite flank 缩短渐开线Curtate involute行星齿轮系Planetary geartrain工作齿面Working flank 球面渐开线Spherical involute齿轮传动Gear drive；Geartransmission非工作齿面Non-working flank渐开螺旋面Involute helicoid配对齿轮Mating gears 相啮齿面Mating flank 阿基米德螺旋面Screw helicoid小齿轮Pinion 共轭齿面Conjugate flank 球面渐开螺旋面Spherical involutehelicoid大齿轮 Wheel；Gear 可用齿面Usable flank 圆环面Toroid主动齿轮Driving gear 有效齿面Active flank 圆环面的母圈Generant of the toroit从动齿轮Driven gear 上齿面Addendum flank 圆环面的中性圈Middle circle of thetoroid行星齿轮Planet gear 下齿面Dedendum flank 圆环面的中间平面Middle-plane of thetoroid行星架Planet carrier 齿根过渡曲面Fillet 圆环面的内圈Inner circle of thetoroid太阳轮Sun gear 齿顶 Crest；Top land 啮合干涉Meshing interference内齿圈Ring gear；Annulus gear槽底Bottom land 切齿干涉Cutter interference外齿轮External gear 齿廓Tooth profile 齿廓修型Profile modification；Profile correction内齿轮Internal gear 端面齿廓Transverse profile修缘Tip relief 中心距Centre distance 法向齿廓Normal profile 修根Root relief轴交角Shaft angle 轴向齿廓Axial profile 齿向修形Axial modification；Longitudinalcorrection连心线Line of centres 背锥齿廓Back cone toothprofile齿端修薄End relief减速齿轮副Speed reducinggear pair齿线Tooth trace 鼓形修整Crowning增速齿轮副Speed increasinggear pair齿棱 Tip；Tooth tip 鼓形齿Crowned teeth齿数比Gear ratio 模数Module 挖根Undercut传动比Transmissionratio端面模数Transverse module瞬时轴Instantaneous axis轴平面Axial plane 法向模数Normal module 瞬时接触点Point of contact 基准平面Datum plane 轴向模数Axial module 瞬时接触线Line of contact 节平面Pitch plane 径节Diametral pitch 端面啮合线Transverse path ofcontact端平面Transverse plane齿数Number of teech 啮合曲面Surface of action法平面Normal plane 当量齿数Virtual number ofteeth啮合平面Plane of action分度曲面Reference surface头数Number of starts；Number ofthreads啮合区域Zone of action节曲面Pitch surface 螺旋线Helix；Circularhelix总作用弧Total arc oftransmission齿顶曲面Tip surface 圆锥螺旋线Conical spiral 端面作用弧Transverse arc of transmission齿根曲面Root surface 螺旋角Helix angle；Spiral angle纵向作用弧Overlap arc基本齿廓Basic tooth profile导程Lead 总作用角Total angle of transmission基本齿条Basic rack 导程角Lead angle 端面作用角Transverse angle of transmission产形齿条Counterpart rack阿基米德螺旋线Archimedes spiral纵向作用角Overlap angle产形齿轮Generating gearof a gear外摆线Epicycloid 总重合度Total contact ratio产形齿面Generating flank长幅外摆线Prolate epoicycloid端面重合度Transverse ratio 基准线Datum line 短幅外摆线Curtate epoicycloid纵向重合度Overlap ratio 轮齿 Gearteeth；Tooth摆线Cycloid 标准齿轮Standard gears 齿槽Tooth space 长幅摆线Prolate cycloid 非变位齿轮X-gero gear右旋齿Right-hand teeth短幅摆线Curtate cycloid 标准中心距Referencr centre distance左旋齿Left-hand teeth 内摆线Hypocycloid 名义中心距Nominal centre distance变位齿轮Gears withaddendummodification；X-gears直齿轮Spur gear 分度圆柱面Reference cylinder高度变位圆柱齿轮副X-gear pair withreference centredistance斜齿轮Helical gear；Single-helical gear节圆柱面Pitch cylinder角度变位圆柱齿轮副X-gear pair withmodified centredistance直齿条Spur rack 基圆柱面Basic cylinder高度变位锥齿轮副X-gear pairwithout shaftanglemodification斜齿条Helical rack 齿顶圆柱面Tip cylinder角度变位圆柱齿轮副X-gear pair withshaft anglemodification人字齿轮Double-helical gear齿根圆柱面Root cylinder变位系数Modificationcoefficient渐开线齿轮Involute cylindricalgear节点Pitch point变位量Addendum 摆线齿轮Cycloidal gear 节线Pitch linemodification径向变位系数Addendummodificationcoefficient圆弧齿轮Circular-arc gear；W-N gear分度圆Reference circle中心距变位系数Centre distancemodificationcoefficient双圆弧齿轮Double-circular-arcgear节圆Pitch circle圆柱齿轮Cylindrical gear 假想曲面Imaginary surfance基圆Basic circle顶圆Tip circle 任意点法向压力角Normal pressureangle at a point定位面Locating face根圆Root circle 任意点端面压力角Transversepressure angle at apoint外锥距Outer cone distance齿距Pitch 啮合角Working pressureangle内锥距Inner cone distance齿距角Angular pitch 顶隙Bottom clearance 中点锥距Mean cone distance公法线长度Base tangentlength圆周侧隙Circumferentialblacklash背锥距Back cone distance分度圆直径Referencediameter法向侧隙Normal blacklash 安装距Locating distance节圆直径Pitch diameter 径向侧隙Radial blacklash 轮冠距Tip distance；crown toback基圆直径Base diameter 锥齿轮Bevel gear 冠顶距Apex to crown 顶圆直径Tip diameter 锥齿轮副Bevel gear pair 偏置距Offset 根圆直径Root diameter 准双曲面齿轮副Hypoid gear pair 齿线偏移量Offset of tooth trace 齿根圆角半径Fillet radius 准双曲面齿轮Hypoid gear 分锥角Reference cone angle 齿高Tooth depth 冠轮Crown gear 节锥角Pitch cone angle 工作高度Working depth 端面齿轮Contrate gear 顶锥角Tip angle 齿顶高Addendum 直齿锥齿轮Straight bevel gear根锥角Root angle齿根高Dedendum 斜齿锥齿轮Skew bevel gear；Helical bevel gear背锥角Back cone angle弦齿高Chordal height 曲面齿锥齿轮Curved tooth bevelgear齿顶角Addendum angel固定弦齿高Constant chordheight弧齿锥齿轮Spiral bevel gear 齿根角Dedendum angle齿宽Facewidth 摆线齿锥齿轮Enicycloid bevelgear任意点压力角Pressure angle at apoint有效齿宽Effectivefacewidth零度齿锥齿轮Zerot bevel gear 任意点螺旋角Spiral angle at a point端面齿厚Transverse tooththickness圆柱齿轮端面齿轮副Contrate gear pair中点螺旋角Mean spiral angle法向齿厚Normal tooththickness锥齿轮的当量圆柱齿轮Virtual cylindricalgear of bevel gear大端螺旋角Outer spiral angle端面基圆齿厚Transverse basethickness8字啮合锥齿轮Octoid gear 小端螺旋角Inner spiral angle法向基圆齿厚Normal basethickness圆柱齿弧锥齿轮Spiral bevel gearwith circle arctooth profile蜗杆Worm端面弦齿厚Transversechordal tooththickness分度圆锥面Reference cone 蜗轮Worm wheel固定弦齿厚Constant chord 节圆锥面Pitch cone 蜗杆副Worm gear pair 端面齿顶厚Crest width 齿顶圆锥面 Facecone；tip cone圆柱蜗杆Cylindrical worm法向齿顶厚Normal crestwidth齿根圆锥面Root cone 圆柱蜗杆副Cylindrical worm pair端面齿槽宽Transversespacewidth背锥面Back cone 环面蜗杆Enveloping worm法向齿槽宽Normalspacewidth前锥面Front cone 环面蜗杆副Enveloping worm pair齿厚半角Tooth thicknesshalf angle中锥面Middle cone 阿基米德蜗杆Straight sided axialworm；ZA-worm槽宽半角Spacewidth halfangle分锥顶点Reference coneapex渐开线蜗杆Involute helicoidworm；ZI-worm压力角Pressure angle 轴线交点Crossing point ofaxes法向直廓蜗杆Straight sided normalworm；ZN-worm齿形角Nominal pressureangle公共锥顶Common apex锥面包络圆柱蜗杆Milled helicoid worm；ZK-worm圆弧圆柱蜗杆Arc-contactworm；hollowflank worm；ZC-worm齿根圆环面Root tosoid 椭圆齿轮Elliptical gear直廓环面蜗杆Enveloping wormwith straight linegrneratrix；TAworm咽喉面Gorge 非圆齿轮副Non-circular gear pair平面蜗杆Planar wormwheel；P-wormwheel喉平面Gorge plane 圆柱针轮副Cylindsical lanternpinion and wheel平面包络环面蜗杆Planar doubleenvelopingworm；TP-worm喉圆Gorge circle 针轮Cylindsical tan teingear ；pin-wheel平面二次包络蜗杆Planardouble-envelopingworm wheel；TP-worm wheel分度圆蜗旋线Reference helix 谐波齿轮副Harmoric gear drive锥面包络环面蜗杆Toroid envelopingworm wheel；TK-worm wheel螺纹Thread 波发生器Wave generator渐开线包络环面蜗杆Toroid envelopingworm hichinvolute holicoidgeneratrix；TI-worm蜗杆齿宽Worm facewidth 柔性齿轮Flexspine锥蜗杆Spiroid 蜗轮齿宽Worm wheelfacewidth刚性齿轮Circular spline锥蜗轮Spiroid gear 直径系数Diametral quotient非圆齿轮Non-circular gear锥蜗杆副Spiroid gear pair咽喉半径Gorge radius 分度圆环面Reference tosoid 中平面Mid-plane 齿宽角Width angle。