各种加工方法加工的钢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
|
b
|
ζ
|
外圆磨削
|
1.25
|
9.37
|
8
|
0.6
|
2.00
|
0.63
|
4.72
|
12
|
0.9
|
1.95
|
0.32
|
2.4
|
20
|
1.27
|
1.90
|
0.16
|
1.2
|
30
|
2.00
|
1.90
|
内圆磨削
|
2.5
|
18.75
|
5
|
0.65
|
2.0
|
1.25
|
9.37
|
8
|
0.90
|
1.9
|
0.63
|
4.72
|
13
|
1.10
|
1.85
|
0.32
|
2.4
|
18.5
|
1.35
|
1.75
|
平面磨削
|
5.0
|
37.50
|
35
|
0.625
|
2.2
|
2.5
|
18.75
|
100
|
0.90
|
2.2
|
1.25
|
9.37
|
180
|
0.95
|
1.85
|
0.63
|
4.72
|
370
|
1.60
|
1.80
|
0.32
|
2.4
|
550
|
2.3
|
1.65
|
车削
|
5.0
|
37.50
|
15
|
1.0
|
2.1
|
2.5
|
18.75
|
20
|
1.40
|
1.95
|
1.25
|
9.37
|
35
|
1.80
|
1.80
|
0.63
|
4.72
|
55
|
2.00
|
1.60
|
圆柱表面研磨
|
0.16
|
1.20
|
30
|
2.50
|
1.5
|
0.08
|
0.60
|
40
|
2.55
|
1.4
|
0.04
|
0.30
|
55
|
2.60
|
1.3
|
0.02
|
0.15
|
75
|
3.3
|
1.2
|
平面研磨
|
0.16
|
1.20
|
300
|
2.4
|
1.6
|
0.08
|
0.60
|
500
|
3.0
|
1.4
|
0.04
|
0.30
|
1 000
|
3.3
|
1.22
|
0.02
|
0.15
|
3 000
|
4.5
|
1.15
|
珩磨
|
0.63
|
4.7
|
15
|
0.75
|
1.8
|
0.32
|
2.4
|
20
|
1.0
|
1.75
|
0.16
|
1.2
|
35
|
1.95
|
1.6
|
0.08
|
0.6
|
70
|
2.5
|
1.5
|
端面铣削
|
5.0
|
37
|
420
|
0.40
|
2.2
|
2.5
|
18
|
900
|
0.55
|
1.65
|
1.25
|
9.37
|
1 350
|
0.60
|
1.40
|
抛光
|
0.63
|
4.72
|
230
|
2.0
|
1.7
|
0.32
|
2.4
|
450
|
2.5
|
1.6
|
0.16
|
1.2
|
670
|
3.5
|
1.5
|
内孔研磨
|
0.16
|
0.84
|
30
|
2.5
|
1.5
|
0.125
|
0.66
|
33
|
2.5
|
1.5
|
0.10
|
0.54
|
36
|
2.4
|
1.4
|
0.08
|
0.43
|
40
|
2.5
|
1.4
|
0.063
|
0.33
|
45
|
2.5
|
1.4
|
0.05
|
0.27
|
50
|
2.6
|
1.4
|
0.04
|
0.21
|
55
|
2.6
|
1.3
|
0.032
|
0.16
|
62
|
2.6
|
1.4
|
0.025
|
0.13
|
70
|
2.6
|
1.3
|
0.02
|
0.10
|
75
|
3.3
|
1.2
|
0.016
|
0.08
|
80
|
2.8
|
1.4
|
0.012
|
0.06
|
85
|
2.9
|
1.5
|
金刚石光整加工
|
0.32
|
1.50
|
1 228
|
0.9
|
1.0
|
0.25
|
1.32
|
1 300
|
2.1
|
1.2
|
0.2
|
1.20
|
1 320
|
0.9
|
1.2
|
0.16
|
0.84
|
2 200
|
1.0
|
1.4
|
0.125
|
0.72
|
2 300
|
1.0
|
1.4
|
0.10
|
0.60
|
2 400
|
1.1
|
1.5
|
0.08
|
0.32
|
2 400
|
1.6
|
1.5
|
0.063
|
0.24
|
2 600
|
2.0
|
1.0
|
0.05
|
0.19
|
2 800
|
2.0
|
1.2
|
0.04
|
0.22
|
3 100
|
2.5
|
1.5
|
0.032
|
0.17
|
3 150
|
2.0
|
1.2
|
0.025
|
0.12
|
3 200
|
3.5
|
1.8
|