|
|
Typical
Dynamic clearances
| Component |
Clearance
(microns) |
| Roller
Element Bearings |
0.1
- 1 |
| Journal
Bearings |
0.5
- 100 |
| Hydraulic
Bearings |
1 -
25 |
| Gears |
0.1
- 1 |
| Dynamic
Seal |
0.05
- 0.5 |
| Pump,
Gear |
|
| Tooth
to Side Plate |
0.5
-5 |
| Tooth
tip to Case |
0.5
-5 |
| Pump,
Vane |
|
| Vane
Sides |
5 -
13 |
| Vane
Tip |
0.5
- 1 |
| Pump,
Piston |
|
|
Piston
to Bore
|
5 -
40 |
| Valve
Plate to Cylinder |
0.5
- 5 |
| Servo
Valves |
|
| Orifice |
130
- 450 |
| Flapper
Wall |
18 -
63 |
| Spool
to Sleeve |
1 -
4 |
Source
: ASME Wear control handbook, 1981
|
|
|