Per Charge Working Capacity Comparisons - Hitachi DH 24DVA Technical Data And Service Manual

6-4. Per Charge Working Capacity Comparisons

6-4-1. Drilling into concrete
The number of holes which can be drilled into concrete per battery charge may vary widely in accordance with the
hardness of the concrete, the sharpness and condition of the drill bit and other factors. Accordingly, the test
results shown in Fig. 3 are intended for reference purposes only.
Maker
Hole dia. x Depth
HITACHI
6.5 mm dia. x 30L
HITACHI
HITACHI
8.5 mm dia. x 30L
HITACHI
HITACHI
10.5 mm dia. x 35L
HITACHI
HITACHI
12.5 mm dia. x 35L
HITACHI
HITACHI
14.5 mm dia. x 45L
HITACHI
HITACHI
16.5 mm dia. x 40L
HITACHI
HITACHI
18 mm dia. x 40L
HITACHI
HITACHI
20 mm dia. x 40L
HITACHI
HITACHI
24 mm dia. x 40L
HITACHI
6-4-2. Chiseling concrete
The chiseling amount per battery charge may vary in accordance with operating conditions, operator skill, etc.
Figure 4 shows the data obtained in actual factory tests for reference.
Maker
HITACHI
Model
0 20 40
DH 24DVA
C
P
DH 24DV
DH 24DVA
C
P
DH 24DV
DH 24DVA
C
P
DH 24DV
DH 24DVA
C
P
DH 24DV
DH 24DVA
C
P
40
DH 24DV
DH 24DVA
C
44
P
38
DH 24DV
DH 24DVA
40
C
43
P
30
DH 24DV
45
DH 24DVA
30
C
25
P
17
DH 24DV 28
16
DH 24DVA
DH 24DV 21
Fig. 3 Comparison of number of holes drilled per charge
Model
DH 24DVA
C
P
Fig. 4 Comparison of chiseling amount per charge
Number of holes drilled (holes/1 charge)
60 80 100 120 140
143
125
102
109
108
88
111
97
78
59
84
56
50
56
56
51
Chiseling amount (kg)
4
2
--- 14 ---
160 180 200 220 240 260 280
240
215
231
155
153
6 8
300
10