各种加工方法加工的铸铁件表面粗糙度和轮廓支承长度率曲线参数近似值
加工方法
|
Ra/μm
|
Ry/μm
|
r/μm
|
tp=b(a/Ry)ζ
|
加工方法
|
Ra/μm
|
Ry/μm
|
r/μm
|
tp=b(a/Ry)ζ
|
b
|
ζ
|
b
|
ζ
|
外圆磨削
|
2.5
|
11.5
|
50
|
0.70
|
1.97
|
平面铣削
|
10
|
28.8
|
17
|
1.40
|
2.8
|
1.25
|
7.2
|
85
|
1.20
|
1.95
|
5
|
23
|
20
|
1.60
|
2.6
|
0.63
|
3.5
|
150
|
1.25
|
1.85
|
2.5
|
11.5
|
25
|
1.70
|
2.4
|
0.32
|
1.8
|
190
|
1.55
|
1.75
|
1.25
|
7.2
|
50
|
2.10
|
2.15
|
内圆磨削
|
2.5
|
11.5
|
12
|
1.60
|
2.66
|
镗削
|
5
|
23
|
12
|
0.72
|
2.25
|
1.25
|
7.4
|
16
|
1.75
|
2.45
|
2.5
|
11.5
|
13
|
1.00
|
2.2
|
0.63
|
3.6
|
25
|
1.95
|
2.35
|
1.25
|
6.9
|
15
|
1.15
|
2.1
|
0.32
|
1.7
|
45
|
2.10
|
2.2
|
0.63
|
3.8
|
20
|
1.75
|
2.05
|
端面铣削
|
5
|
23
|
40
|
0.425
|
2.0
|
平面研磨
|
0.16
|
0.98
|
15
|
2.00
|
1.3
|
2.5
|
11.5
|
60
|
0.70
|
1.95
|
0.08
|
0.42
|
20
|
2.30
|
1.2
|
1.25
|
6.9
|
90
|
0.75
|
1.8
|
0.04
|
0.23
|
40
|
2.40
|
1.1
|
0.02
|
0.18
|
55
|
3.10
|
1.05
|
车削
|
10
|
48
|
25
|
1.10
|
1.9
|
刨削
|
10
|
47.5
|
18
|
0.75
|
2.2
|
5
|
21.5
|
37
|
1.20
|
1.8
|
5
|
22.1
|
25
|
0.90
|
2.0
|
2.5
|
11.5
|
60
|
1.45
|
1.7
|
2.5
|
11.5
|
100
|
1.20
|
1.95
|
1.25
|
7.4
|
130
|
1.50
|
1.65
|
1.25
|
6.9
|
150
|
1.65
|
1.9
|