--- 12 ---
Voltage
supply
230 V
Maker
Model
HITACHI
DH 50MB
B
B
D
D
0
50
100
150
200
250
150
145
90
Demolished amount (kg/30 min.)
6-3. Chiseling Performance
Chiseling performance varies considerably depending on the work conditions. Use these factory test results
shown in Fig. 5 for comparison purposes only.
Fig.5
[Test conditions]
Orientation
: Downward chiseling
Test material : Concrete panel with a compression strength of 2,919 N/cm
2
(240 kgf/cm
2
)
Bull point
: SDS-max shank bull point of 280 mm