Weibull参数数据库
mosch 
大家计算产品的测试时间或者样本数量的时候可能需要找产品的Weibull分布的典型值，今天我刚好要找轴承的相关数值，偶然发现了一个很好的推荐表，顺便分享给大家，希望能够对大家有用。
Item |
Beta Values |
Eta Values |
||||
(Weibull Shape
|
(Weibull
|
|||||
Low |
Typical |
High |
Low |
Typical |
High |
|
Components |
My engineering judgment does
|
|||||
Ball bearing |
0.7 |
1.3 |
3.5 |
14,000 |
40,000 |
250,000 |
Roller
|
0.7 |
1.3 |
3.5 |
9,000 |
50,000 |
125,000 |
Sleeve
|
0.7 |
1 |
3 |
10,000 |
50,000 |
143,000 |
Belts,
|
0.5 |
1.2 |
2.8 |
9,000 |
30,000 |
91,000 |
Bellows,
|
0.5 |
1.3 |
3 |
14,000 |
50,000 |
100,000 |
Bolts |
0.5 |
3 |
10 |
125,000 |
300,000 |
100,000,000 |
Clutches,
|
0.5 |
1.4 |
3 |
67,000 |
100,000 |
500,000 |
Clutches,
|
0.8 |
1 |
1.6 |
100,000 |
150,000 |
333,000 |
Couplings |
0.8 |
2 |
6 |
25,000 |
75,000 |
333,000 |
Couplings,
|
0.8 |
2.5 |
4 |
25,000 |
75,000 |
1,250,000 |
Cylinders,
|
1 |
2 |
3.8 |
9,000,000 |
900,000 |
200,000,000 |
Diaphragm,
|
0.5 |
3 |
6 |
50,000 |
65,000 |
500,000 |
Diaphragm,
|
0.5 |
1.1 |
1.4 |
50,000 |
60,000 |
300,000 |
Gaskets,
|
0.5 |
1.1 |
1.4 |
700,000 |
75,000 |
3,300,000 |
Filter,
|
0.5 |
1.1 |
1.4 |
20,000 |
25,000 |
125,000 |
Gears |
0.5 |
2 |
6 |
33,000 |
75,000 |
500,000 |
Impellers,
|
0.5 |
2.5 |
6 |
125,000 |
150,000 |
1,400,000 |
Joints,
|
0.5 |
1.2 |
6 |
1,400,000 |
150,000 |
10,000,000 |
Knife
|
0.5 |
1 |
6 |
1,700,000 |
2,000,000 |
16,700,000 |
Liner,
|
0.5 |
1.8 |
3 |
20,000 |
50,000 |
300,000 |
Nuts |
0.5 |
1.1 |
1.4 |
14,000 |
50,000 |
500,000 |
“O”-rings,
|
0.5 |
1.1 |
1.4 |
5,000 |
20,000 |
33,000 |
Packings, recip. comp. rod |
0.5 |
1.1 |
1.4 |
5,000 |
20,000 |
33,000 |
Pins |
0.5 |
1.4 |
5 |
17,000 |
50,000 |
170,000 |
Pivots |
0.5 |
1.4 |
5 |
300,000 |
400,000 |
1,400,000 |
Pistons,
|
0.5 |
1.4 |
3 |
20,000 |
75,000 |
170,000 |
Pumps,
|
0.5 |
1.1 |
1.4 |
13,000 |
50,000 |
125,000 |
Seals,
|
0.8 |
1.4 |
4 |
3,000 |
25,000 |
50,000 |
Shafts,
|
0.8 |
1.2 |
3 |
50,000 |
50,000 |
300,000 |
Springs |
0.5 |
1.1 |
3 |
14,000 |
25,000 |
5,000,000 |
Vibration
|
0.5 |
1.1 |
2.2 |
17,000 |
50,000 |
200,000 |
Wear
|
0.5 |
1.1 |
4 |
10,000 |
50,000 |
90,000 |
Valves, recip comp. |
0.5 |
1.4 |
4 |
3,000 |
40,000 |
80,000 |
Machinery Equipment |
||||||
Circuit
|
0.5 |
1.5 |
3 |
67,000 |
100,000 |
1,400,000 |
Compressors,
|
0.5 |
1.9 |
3 |
20,000 |
60,000 |
120,000 |
Compressor
|
0.5 |
2.5 |
3 |
400,000 |
800,000 |
1,500,000 |
Compressor
|
0.5 |
3 |
4 |
500,000 |
1,000,000 |
2,000,000 |
Diaphgram couplings |
0.5 |
2 |
4 |
125,000 |
300,000 |
600,000 |
Gas turb. comp. blades/vanes |
1.2 |
2.5 |
6.6 |
10,000 |
250,000 |
300,000 |
Gas turb. blades/vanes |
0.9 |
1.6 |
2.7 |
10,000 |
125,000 |
160,000 |
Motors,
|
0.5 |
1.2 |
3 |
1,000 |
100,000 |
200,000 |
Motors,
|
0.5 |
1.2 |
3 |
100 |
50,000 |
100,000 |
Pumps,
|
0.5 |
1.2 |
3 |
1,000 |
35,000 |
125,000 |
Steam
|
0.5 |
1.7 |
3 |
11,000 |
65,000 |
170,000 |
Steam
|
0.5 |
2.5 |
3 |
400,000 |
800,000 |
1,500,000 |
Steam
|
0.5 |
3 |
3 |
500,000 |
900,000 |
1,800,000 |
Transformers |
0.5 |
1.1 |
3 |
14,000 |
200,000 |
14,200,000 |
Instrumentation |
||||||
Controllers,
|
0.5 |
1.1 |
2 |
1,000 |
25,000 |
1,000,000 |
Controllers,
|
0.5 |
0.7 |
1.1 |
20,000 |
100,000 |
200,000 |
Control
|
0.5 |
1 |
2 |
14,000 |
100,000 |
333,000 |
Motorized
|
0.5 |
1.1 |
3 |
17,000 |
25,000 |
1,000,000 |
Solenoid
|
0.5 |
1.1 |
3 |
50,000 |
75,000 |
1,000,000 |
Transducers |
0.5 |
1 |
3 |
11,000 |
20,000 |
90,000 |
Transmitters |
0.5 |
1 |
2 |
100,000 |
150,000 |
1,100,000 |
Temperature
|
0.5 |
1 |
2 |
140,000 |
150,000 |
3,300,000 |
Pressure
|
0.5 |
1.2 |
3 |
110,000 |
125,000 |
3,300,000 |
Flow
|
0.5 |
1 |
3 |
100,000 |
125,000 |
10,000,000 |
Level
|
0.5 |
1 |
3 |
14,000 |
25,000 |
500,000 |
Electro-mechanical
|
0.5 |
1 |
3 |
13,000 |
25,000 |
1,000,000 |
Static Equipment |
||||||
Boilers,
|
0.5 |
1.2 |
3 |
11,000 |
50,000 |
3,300,000 |
Pressure
|
0.5 |
1.5 |
6 |
1,250,000 |
2,000,000 |
33,000,000 |
Filters,
|
0.5 |
1 |
3 |
5,000,000 |
5,000,000 |
200,000,000 |
Check
|
0.5 |
1 |
3 |
100,000 |
100,000 |
1,250,000 |
Relief
|
0.5 |
1 |
3 |
100,000 |
100,000 |
1,000,000 |
Service Liquids |
||||||
Coolants |
0.5 |
1.1 |
2 |
11,000 |
15,000 |
33,000 |
Lubricants,
|
0.5 |
1.1 |
3 |
11,000 |
15,000 |
40,000 |
Lube
|
0.5 |
1.1 |
3 |
3,000 |
10,000 |
25,000 |
Lube
|
0.5 |
1.1 |
3 |
33,000 |
50,000 |
250,000 |
Greases |
0.5 |
1.1 |
3 |
7,000 |
10,000 |
33,000 |