齿轮参数 中英文对照
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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 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 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 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 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 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 angular dimensions to be +/- 0.5º(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 permissible 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)
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 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 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
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Usable flank
圆环面Toroid