GB6081—85《直齒插齒刀的基本型式和尺寸》中規(guī)定了模數(shù)1~12mm,分度圓壓力角為20°的盤形直齒插齒刀(Ⅰ型)、碗形直齒插齒刀(Ⅱ型)和錐柄直齒插齒刀(Ⅲ型)三種。盤形直齒插齒刀主要用于加工外齒輪和大直徑的內(nèi)齒輪,以及齒條等,其公稱分度圓直徑有75,100,125,160和200mm五種,精度等級(jí)分AA、A、B三種,盤形直齒插齒刀的型式和尺寸見(jiàn)圖3-37和表3-72~表3-77、表3-85~表3-90。
表3-72 公稱分度圓直徑75mm m1~4 =20°
模數(shù)m |
齒數(shù)Z |
分度圓直徑d |
de |
D |
D1 |
b |
bb |
B |
mm |
mm |
1.00 |
76 |
76.00 |
78.50 |
31.743 |
58 |
10 |
0 |
15 |
1.25 |
60 |
75.00 |
78.56 |
2.1 |
1.50 |
50 |
75.00 |
79.56 |
56 |
3.9 |
1.75 |
43 |
75.25 |
80.67 |
5.0 |
17 |
2.00 |
38 |
76.00 |
82.24 |
5.9 |
2.25 |
34 |
76.50 |
83.48 |
6.4 |
2.50 |
30 |
75.00 |
82.34 |
5.2 |
2.75 |
28 |
77.00 |
84.92 |
5.0 |
3.00 |
25 |
75.00 |
83.34 |
52 |
4.0 |
20 |
3.25 |
24 |
78.00 |
86.96 |
54 |
4.0 |
3.50 |
22 |
77.00 |
86.44 |
52 |
3.3 |
3.75 |
20 |
75.00 |
84.90 |
50 |
2.5 |
4.00 |
19 |
76.00 |
86.32 |
1.5 |
表3-73 公稱分度圓直徑100mm m1~6 =20°
模數(shù)m |
齒數(shù)Z |
分度圓直徑d |
de |
D |
D1 |
b |
bb |
B |
mm |
mm |
1.00 |
100 |
100.00 |
102.62 |
31.743 |
80 |
10 |
0.6 |
18 |
1.25 |
80 |
100.00 |
103.94 |
3.9 |
1.50 |
68 |
102.00 |
107.14 |
6.6 |
1.75 |
58 |
101.50 |
107.62 |
12 |
8.3 |
22 |
2.00 |
50 |
100.00 |
107.00 |
9.5 |
2.25 |
45 |
101.25 |
109.09 |
10.5 |
2.50 |
40 |
100.00 |
108.36 |
78 |
10.0 |
2.75 |
36 |
99.00 |
107.86 |
76 |
9.4 |
3.00 |
34 |
102.00 |
111.54 |
9.7 |
3.25 |
31 |
100.75 |
110.71 |
8.7 |
3.50 |
29 |
101.50 |
112.08 |
8.7 |
24 |
3.75 |
27 |
101.25 |
112.35 |
8.2 |
4.00 |
25 |
100.00 |
111.46 |
72 |
6.9 |
4.50 |
22 |
99.00 |
111.78 |
68 |
5.1 |
5.00 |
20 |
100.00 |
113.90 |
4.3 |
5.50 |
19 |
104.50 |
119.68 |
70 |
4.2 |
6.00 |
18 |
108.00 |
124.56 |
4.6 |
表3-74 公稱分度圓直徑125mm m4~8 =20°
模數(shù)m |
齒數(shù)Z |
分度圓直徑d |
de |
D |
D1 |
b |
bb |
B |
mm |
Mm |
4.0 |
31 |
124.00 |
136.80 |
31.743 |
92 |
13 |
11.4 |
30 |
4.5 |
28 |
126.00 |
140.14 |
11.6 |
5.0 |
25 |
125.00 |
140.20 |
90 |
10.5 |
5.5 |
23 |
126.50 |
143.00 |
10.5 |
6.0 |
21 |
126.00 |
143.52 |
86 |
9.1 |
6.5 |
19 |
123.50 |
141.96 |
82 |
7.4 |
7.0 |
18 |
126.00 |
145.74 |
7.3 |
8.0 |
16 |
128.00 |
149.92 |
5.3 |