|
粉末冶金
品牌: SFT、FOR A 等级: P0、P2、P4、P5、P6 |
||||
(1)Performance of oil bearing (copper based & iron based) | |||||
No. |
Features |
||||
Illustrate |
Unit |
Copper based |
Copper & iron based |
Iron based |
|
1 |
Density |
g/cm3 |
6.5-7.2 |
6.0-6.7 |
5.9-6.5 |
2 |
Surface porosity |
/ |
After heated in lubricating oil from the sliding surface |
||
3 |
Noise (distance 50 mm) |
db |
below 20 |
||
4 |
Abrasion loss |
m |
below 15 |
||
5 |
Oil Content Rate |
V% |
above 18 |
||
6 |
Pressure stains strength |
Mpa |
above 150 |
above 250 |
above 280 |
7 |
Hardness |
MHV |
60-90 |
60-90 |
60-110 |
8 |
Friction coefficient |
/ |
below 0.15 |
below 0.25 |
below 0.25 |
9 |
Life |
h |
|
above 2000 |