Research Article
Estimation of Impact Loads in a Hydraulic Breaker by Transfer Path Analysis
Table 2
Results of vibration and modal impact experiments.
| | Exp. type | Description | Value |
| | Vibration | Max. acceleration | 104.9 g | | Impulse period | 3.44 Hz | | Decay time | 0.23 s | | Blow per min | 206 bpm |
| | Modal impact | Mode shapes | Value |
| | | 1st -axis bending | 75 Hz | | | 2nd -axis bending | 115 Hz | | | 3rd -axis bending | 174 Hz | | | High -axis bending + -axis torsion | 425 Hz |
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