文档介绍：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)
not scale drawing(不要在图上量取尺寸)
surfaces corners and edges must be free from burrs
        and sharp edges-break MM MAX(所有面,