Estimation of Impact Loads in a Hydraulic Breaker by Transfer Path Analysis

Table 1

Parameters for vibration experiments and operating conditions for the excavator.

Items	Parameters	Value
Tracking	Measurement method	Time trace
	Duration	30 s
	Increment	0.5 s
Acquisition	Bandwidth	6400 Hz
	Resolution	12.5 Hz
Excavator	Weight	36 ton
	Engine	1700 rpm
Hydraulic system	Flow rate	200 lpm
	Working pressure	160 bar