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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）outside diamet
2、er（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 齿根圆角半径lead crow
3、n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 hollow齿向中凹profile surf
4、ace 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 not scale drawing(不要在图上量取尺寸)2
5、.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 finishes to be 3.2 micrometer or bett
6、er(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 angular dimensions to be +/- 0.5(角度尺寸偏差为+
7、/- 0.5)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 permissible in root and fillet region after honing or grindi
8、ng(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)6.profile tolerance to be measured between form and chamfer(
9、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 tips(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
10、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齿轮系 Train of gears 异侧齿面 Opposite flank 缩短渐开线 Curtate involute
11、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 Spherical involute helicoid大齿轮 Wheel；Gear 可用齿面 Usab
12、le 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 圆环面的内圈 Inner circle of the toroid太阳轮 Sun
13、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 reli
14、ef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齿数比 Gear ratio 模数 Module 挖根 Undercut传动比 Transmission ratio 端面模数 Tra
