U&Dream Meterial-UDM
Hybrid composite bearing
√ Testing from Nov. 2013.11.04 to now
√ Excellent test result
| No | ASS'Y | PARTS | Criteria | Unit | Average | |||
| White metal | Composite bearing | Δ value | Δ % | |||||
| 1 | Pressure | OIL SUPPLY | 2.1~2.6 | kg/㎠ | 2.21 | 2.35 | 0.14 | 7% |
| 2 | Temp. | SUPPLY OIL | 35~65 | ℃ | 49.70 | 48.56 | -1.15 | -2% |
| 3 | Temp. | RESERVOIR OIL | 35~65 | ℃ | 62.89 | 60.07 | -2.81 | -4% |
| 4 | Vibration | #1 BEARING | 25↓/15↓ | ㎛ | 9.31 | 8.19 | -1.11 | -12% |
| #2 BEARING | 25↓/15↓ | ㎛ | 12.69 | 6.03 | -6.66 | -52% | ||
| #3 BEARING | 25↓/15↓ | ㎛ | 17.05 | 5.39 | -11.67 | -68% | ||
| 5 | Temp. | MOTOR/COIL | 130↓ | ℃ | 108.44 | 90.26 | -18.19 | -17% |
| 6 | Bearing temp. | #1 BEARING | 120↓ | ℃ | 85.00 | 57.57 | -27.43 | -32% |
| #2 BEARING | 120↓ | ℃ | 85.00 | 57.70 | -27.30 | -32% | ||
| #3 BEARING | 120↓ | ℃ | 85.00 | 57.35 | -27.65 | -33% | ||
| #4 BEARING | 120↓ | ℃ | 85.00 | 55.87 | -29.13 | -34% | ||
