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1、EXTERNAL SPUR GEAR DATA（外圆柱齿轮参数）manufacturing data （制造参数）part number （零件号）tooth form （齿面）gear type（齿轮类型）number of teeth （齿数）normal module （法向模数）normal pressure angle (at ref circle) 法向压力角（在分度圆上）helix angle (at ref circle) 螺旋角（在分度圆上）helical lead（螺旋导程）hand of helix （旋向）reference face width （参考齿宽）outsi
2、de diameter （齿顶圆直径）chamfer diameter （倒圆直径）reference(pitch)circle diameter （分度圆直径）或节圆start of active profile diameter有效渐开线起始圆直径form diameter 展成直径root diameter 齿根圆直径base circle diameter 基圆直径whole depth 全齿高normal circular tooth thickness (at reference circle)法向弧齿厚（在分度圆上）root type 齿根形式root fillet radius
3、 齿根圆角半径lead crown 齿向鼓形HOB DATA滚刀参数pressure angle 压力角tooth thickness at reference line分圆齿厚protuberance 凸角tip radius 齿顶圆半径reference part number 零件号INSPECTION DATA 检验数据profile tolerance and modifications齿形公差和修形profile hollow齿形中凹refernce pitch circle runout节圆跳动pitch variation 齿距偏差lead variation 齿向偏差lead
4、 hollow 齿向中凹profile surface finish 渐开线齿面精加工ball diameter 量球直径dimension over two balls in same plane跨棒距REFERENCE DATA-MATING GEAR对啮齿的参考参数normal center distance 中心距mating gear part number对啮齿轮零件号mumber of teeth on mating gear对啮轮齿数backlash (nominal CD ,ROOM TEMP)侧隙 (法线方向，室温) general notes( 通用技术要求 ) 1.DO
5、 not scale drawing( 不要在图上量取尺寸) 2.all surfaces corners and edges must be free from burrs and sharp edges-break 0.075 MM MAX( 所有面 ,角和边不能有毛刺,锐边倒钝不超过0.075mm) 3.unless otherwise stated( 除非特别注明,否则 ) A.all dimensions and tolerance are in millimeters per Chinese standard(所有以毫米为单位的尺寸和公差均按中国标准) B.all surface
6、finishes to be 3.2 micrometer or better(所有表面粗糙度不应低于3.2) C.all dimension are finished dimensions;no allowance has been made for any change in maximum or least material condition due to heat treatment( 所有尺寸均为最终尺寸;热处理导致的最大或最小实体条件的变化不应超出允差) D linear dimensions to be +/- 0.25 MM(线性尺寸偏差为+/- 0.25 MM) E ang
7、ular dimensions to be +/- 0.5 o(角度尺寸偏差为+/- 0.5o) 4.mark part number as shown( 如图作零件号) 5.mark serial number as shown( 如图作系列号 ) 6.heat treatment to be applied to all surfaces(整体热处理 ) gear notes(齿轮技术要求) 1.do not grind roots and fillets after heat treatment(热处理后不得磨及齿根和圆角) 2.no steps or grooves permissib
8、le in root and fillet region after honing or grinding( 珩磨后 ,齿根和圆角区域不允许有台阶或凹痕) 3.profile tolerance based upon floating band fit(齿形误差应以公差带为计) 4.gear must be free from grind burns and tempering(齿面不得烧伤 ) 5.pitch line runout and other tooth tolerances are with respect to datum A( 节圆跳动和其它齿轮公差均以基准A 为测量基准 )
9、 6.profile tolerance to be measured between form and chamfer(齿形误差应由渐开线起始(或终止 )圆测量至齿顶倒角) 7.min hardness must be achieved in tooth root and fillet region(齿根和圆角处的硬度不得低于硬度下差) 8.root radius tangent to profile not to extend above form diameter(齿根圆角要与齿面相切,而且不能超过渐开线起始(或终止 )圆直径。9.do not thru harden tooth tip
10、s(齿尖不得淬透 ) 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 with parallel axes 左侧齿面Left flank 渐开线Involute； Involute to a circle 相交轴齿轮副Gear pair with intersecting axes 同侧齿面Corresponding flank 延伸渐开线Prolate involute 齿
11、轮系Train of gears 异侧齿面Opposite flank 缩短渐开线Curtate involute 行星齿轮系Planetary gear train 工作齿面Working flank 球面渐开线Spherical involute 齿轮传动Gear drive；Gear transmission 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Sp
12、herical involute helicoid 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 the toroid 行星齿轮Planet gear 下齿面Dedendum flank 圆环面的中间平面Middle-plane of the toroid 行星架Planet carrier 齿根过渡曲面Fillet
13、圆环面的内圈Inner circle of the toroid 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
14、 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 ；Longitudinal correction 连心线Line of centres 背锥齿廓Back cone tooth profile 齿端修薄End relief 减速齿轮副Speed reducing gear pair 齿线Tooth trace 鼓形修整Crowning 增速齿轮副Speed increasing gear pair 齿棱Tip；Tooth tip 鼓形齿Crowned teeth 齿
15、数比Gear ratio 模数Module 挖根Undercut 传动比Transmission ratio 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 of contact 端平面Transverse plane 齿数Numbe
16、r of teeth 啮合曲面Surface of action 法平面Normal plane 当量齿数Virtual number of teeth 啮合平面Plane of action 分度曲面Reference surface 头数Number of starts ；Number of threads 啮合区域Zone of action 节曲面Pitch surface 螺旋线Helix；Circular helix 总作用弧Total arc of transmission 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 tr
