常用锥度比完整版本.doc
锥度C与圆锥角α的关系为:
C=2Xtg(α/2)C=1/2ctga/2=(D-d)/2
锥度比
夹角(°′″)
夹角(°)
半夹角(度数)(°)
1:3
18°55′28.7″
18.924644°
9.462322°
1:4
14°15′0.1″
14.250033°
7.1250165°
1:5
11°25′16.3″
11.421186°
5.710593°
1:6
9°31′38.2″
9.522786°
4.7613915°
1:7
8°10′16.4″
8.171234°
4.085617°
1:8
7°9′9.6″
7.3152669°
3.5763345°
1:10
5°43′29.3″
5.724810°
2.862405°
1:12
4°46′18.8″
4.771888°
2.385944°
1:15
3°49′5.9″
3.818305°
1.9091525°
1:20
2°51′56.4″
2.864192°
1.432096°
1:30
1°54′34.9″
1.909683°
0.9548415
1:40
1°25′56.4″
1.432320°
0.71616°
1:50
1°8′45.2″
1.145877°
0.5729385°
1:100
0°34′22.6″
0.572953°
0.2864765°
1:200
0°17′11.3″
0.286478°
0.143239°
1:300
0°6′52.5″
0.114592°
0.057296°
莫氏0#顶针
1:19.212
¢9.045
莫氏1#顶针
1:20.047
¢12.065
莫氏2#顶针
1:20.020
¢17.78
莫氏3#顶针
1:19.922
¢23.825
莫氏4#顶针
1:19.254
¢31.267
莫氏5#顶针
1:19.002
¢44.399
莫氏6#顶针
1:19.180
¢63.348