清洁度标准(最新)
2023-05-29 16:04
油液的洁净度:
油液的洁净度----就是油液污染程度的定量描述。
油液的洁净度的评定方法
油液中颗粒尺寸的分布:对数座标以 对数/线性 log/log2
洁净度等级表示法:NAS1638、SAE749D、ISO4406
NAS1638油液洁净度等级(100ml液压油液中颗粒数)
|
污染度等级 |
颗粒尺寸范围(μm) |
||||
|
5-15 |
15-25 |
25-50 |
50-100 |
>100 |
|
|
00 |
125 |
22 |
4 |
1 |
0 |
|
0 |
250 |
44 |
8 |
2 |
0 |
|
1 |
500 |
89 |
16 |
3 |
1 |
|
2 |
1000 |
178 |
32 |
6 |
1 |
|
3 |
2000 |
356 |
63 |
11 |
2 |
|
4 |
4000 |
712 |
126 |
22 |
4 |
|
5 |
8000 |
1425 |
253 |
45 |
8 |
|
6 |
16000 |
2850 |
506 |
90 |
16 |
|
7 |
32000 |
5700 |
1012 |
180 |
32 |
|
8 |
64000 |
11400 |
2025 |
360 |
64 |
|
9 |
128000 |
22800 |
4050 |
720 |
128 |
|
10 |
256000 |
45600 |
8100 |
1440 |
256 |
|
11 |
512000 |
91200 |
16200 |
2880 |
512 |
|
12 |
1024000 |
182400 |
32400 |
5760 |
1024 |
SAE749D油液洁净度等级(计数法)
|
液压油污染等级试行标准(每100ml) |
||||||||
|
尺寸范围 |
污染等级 |
|||||||
|
μm |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7-10 |
|
2.5 - 5 |
待定 |
|||||||
|
5 - 10 |
2700 |
4600 |
9700 |
24000 |
32000 |
87000 |
128000 |
|
|
10 - 25 |
670 |
1340 |
2080 |
5360 |
10700 |
21400 |
42000 |
|
|
25 - 50 |
93 |
210 |
380 |
780 |
1510 |
3130 |
6500 |
待定 |
|
50 - 100 |
16 |
28 |
56 |
110 |
225 |
430 |
1000 |
|
|
>100 |
1 |
3 |
5 |
11 |
21 |
41 |
92 |
|
* 电力行业标准DL/T571-95 (SAE749D油液洁净度等级)
|
颗粒数/ml |
R |
R5/15 |
|
|
大于 |
小于(等于) |
浓度等级数 |
例1:大于5微米的颗粒浓度 为400颗/ml. 大于15微米的颗粒浓度 为65颗/ml. 则ISO = 16/13 |
|
80,000 |
160,000 |
24 |
|
|
40,000 |
80,000 |
23 |
|
|
20,000 |
40,000 |
22 |
|
|
10,000 |
20,000 |
21 |
|
|
5,000 |
10,000 |
20 |
|
|
2,500 |
5,000 |
19 |
例2:大于5微米的颗粒浓度 |
|
1,300 |
2,500 |
18 |
为16,030颗/ml. 大于15微米的颗粒浓度 为2,490颗/ml. 则ISO = 21/18 延展等级R2/R5/R15 |
|
640 |
1,300 |
17 |
|
|
320 |
640 |
16 |
|
|
160 |
320 |
15 |
|
|
80 |
160 |
14 |
|
|
40 |
80 |
13 |
|
|
20 |
40 |
12 |
例3:大于2微米的颗粒浓度 |
|
10 |
20 |
11 |
为32,200颗/ml. 大于5微米的颗粒浓度 为16,030颗/ml. 大于15微米的颗粒浓度 为2,490颗/ml. 则ISO = 23/21/18 |
|
5 |
10 |
10 |
|
|
2.5 |
5 |
9 |
|
|
1.3 |
2.5 |
8 |
|
|
0.64 |
1.3 |
7 |
|
|
0.32 |
0.64 |
6 |
|
|
0.16 |
0.32 |
5 |
|
|
0.08 |
0.16 |
4 |
|
|
0.04 |
0.08 |
3 |
|
|
0.02 |
0.04 |
2 |
|
|
0.01 |
0.02 |
1 |
|
洁净度等级对照表
|
ISO 代码 |
每毫升颗粒数 >10μm |
AC粉尘重量水平毫克/升 |
MILSTD 1246A (1967) |
NAS 1638(1964) |
SAE 749等级 |
|
26/23 |
140.000 |
1.000 |
|||
|
25/23 |
85.000 |
1.000 |
|||
|
23/20 |
14.000 |
100 |
700 |
||
|
21/18 |
4,500 |
12 |
|||
|
20/18 |
2,400 |
500 |
|||
|
20/17 |
2,300 |
11 |
|||
|
20/16 |
1,400 |
10 |
|||
|
19/16 |
1,200 |
10 |
|||
|
18/15 |
580 |
9 |
6 |
||
|
17/14 |
280 |
300 |
8 |
5 |
|
|
16/13 |
140 |
1 |
7 |
4 |
|
|
15/12 |
70 |
6 |
3 |
||
|
14/12 |
40 |
200 |
|||
|
14/11 |
35 |
5 |
2 |
||
|
13/10 |
14 |
0.1 |
4 |
1 |
|
|
12/9 |
9 |
3 |
0 |
||
|
11/8 |
5 |
2 |
|||
|
10/8 |
3 |
100 |
|||
|
10/7 |
2.3 |
1 |
|||
|
10/6 |
1.4 |
0.01 |
|||
|
9/6 |
1.2 |
0 |
|||
|
8/5 |
0.6 |
00 |
|||
|
7/5 |
0.3 |
50 |
|||
|
6/3 |
0.14 |
0.001 |
|||
|
5/2 |
0.04 |
25 |
|||
|
2/0.8 |
0.01 |
10 |
俄国гост标准工业液污染度分级 (гост 17216-71)
|
工作液污染度等级 |
100+0.5厘米3液体容积里杂质微粒数不大于下列数值 微米尺寸,微米 |
杂质质量不大于% |
||||||||
|
0.5-1 |
>1-2 |
>2-5 |
>5-10 |
>10-25 |
>25-50 |
>50 -100 |
>100 -200 |
纤维
|
||
|
00 |
800 |
400 |
32 |
8 |
4 |
1 |
A.O |
A.O |
||
|
0 |
1600 |
800 |
63 |
16 |
8 |
2 |
||||
|
1 |
1600 |
125 |
32 |
16 |
3 |
|||||
|
2 |
250 |
63 |
32 |
4 |
1 |
|||||
|
3 |
125 |
63 |
6 |
2 |
||||||
|
4 |
250 |
125 |
12 |
3 |
||||||
|
5 |
500 |
250 |
25 |
4 |
1 |
|||||
|
6 |
1000 |
500 |
50 |
6 |
2 |
1 |
0.0002 |
|||
|
7 |
2000 |
1000 |
100 |
12 |
4 |
2 |
0.0002 |
|||
|
8 |
4000 |
2000 |
200 |
25 |
6 |
3 |
0.0004 |
|||
|
9 |
8000 |
4000 |
400 |
50 |
12 |
4 |
0.0006 |
|||
|
10 |
16000 |
8000 |
800 |
100 |
25 |
5 |
0.0008 |
|||
|
11 |
31500 |
16000 |
1600 |
200 |
50 |
10 |
0.0016 |
|||
|
12 |
63000 |
31500 |
3150 |
400 |
100 |
20 |
0.0032 |
|||
|
13 |
63000 |
6300 |
800 |
200 |
40 |
0.005 |
||||
|
14 |
125000 |
12500 |
1600 |
400 |
80 |
0.008 |
||||
|
15 |
25000 |
31500 |
800 |
160 |
0.016 |
|||||
|
16 |
5000 |
6300 |
1600 |
315 |
0.032 |
|||||
|
17 |
12500 |
3150 |
630 |
0.063 |
||||||
中华人民共和国国家军用标准 FL9150 GJB 420A-96
飞机液压系统用油液固体污染度分级
Solid particle contamination classes
for fluids in aircraft hydraulic systems
GJB 420A-96固体污染度等级(100ml油液中颗粒数)
|
污染度等级 |
颗粒尺寸范围(μm) |
||||
|
>2 |
>5 |
>15 |
>25 |
>50 |
|
|
000 |
164 |
76 |
14 |
3 |
1 |
|
00 |
328 |
152 |
27 |
5 |
1 |
|
0 |
656 |
304 |
54 |
10 |
2 |
|
1 |
1310 |
609 |
109 |
20 |
4 |
|
2 |
2620 |
1220 |
217 |
39 |
7 |
|
3 |
5250 |
2430 |
432 |
76 |
13 |
|
4 |
10500 |
4860 |
864 |
152 |
26 |
|
5 |
21000 |
9730 |
1730 |
306 |
53 |
|
6 |
42000 |
19500 |
3460 |
612 |
106 |
|
7 |
83900 |
38900 |
6920 |
1220 |
212 |
|
8 |
168000 |
77900 |
13900 |
2450 |
424 |
|
9 |
336000 |
156000 |
27700 |
4900 |
848 |
|
10 |
671000 |
311000 |
55400 |
9800 |
1700 |
|
11 |
1340000 |
623000 |
111000 |
19600 |
3390 |
|
12 |
2690000 |
1250000 |
222000 |
39200 |
6780 |
SAD AS4059 Cleanliness Levels by particle Count
|
Maximum Contamination Limits (particles/100ml) |
|||||||
|
Size,ISO 4402 Calibration, Or Optical Microscope Count |
>1 μm |
>5 μm |
>15 μm |
>25 μm |
>50 μm |
>100 μm |
|
|
Size,ISO 11171 Calibration, Electron Microscope |
>4 μm (c) |
>6 μm (c) |
>14 μm (c) |
>21 μm (c) |
>38 μm (c) |
>70 μm (c) |
|
|
Size Code |
A |
B |
C |
D |
E |
F |
|
|
000 |
195 |
76 |
14 |
3 |
1 |
0 |
|
|
00 |
390 |
152 |
27 |
5 |
1 |
0 |
|
|
0 |
780 |
304 |
54 |
10 |
2 |
0 |
|
|
1 |
1560 |
609 |
109 |
20 |
4 |
1 |
|
|
2 |
3120 |
1220 |
217 |
39 |
7 |
1 |
|
|
3 |
6250 |
2430 |
432 |
76 |
13 |
2 |
|
|
4 |
12500 |
4860 |
864 |
152 |
26 |
4 |
|
|
5 |
25000 |
9730 |
1730 |
306 |
53 |
8 |
|
|
6 |
50000 |
19500 |
3460 |
612 |
106 |
16 |
|
|
7 |
100000 |
38900 |
6920 |
1220 |
212 |
32 |
|
|
8 |
200000 |
77900 |
13900 |
2450 |
424 |
64 |
|
|
9 |
400000 |
156000 |
27700 |
4900 |
848 |
128 |
|
|
10 |
800000 |
311000 |
55400 |
9800 |
1700 |
256 |
|
|
11 |
1600000 |
623000 |
111000 |
19600 |
3390 |
512 |
|
|
12 |
3200000 |
1250000 |
222000 |
39200 |
6780 |
1020 |
|