
-9-
Drill bit dia. (mm)
Drilli
ng speed (mm/min)
Fig. 2
2. Comparison of Drilling Speed
Drilling speed varies considerably depending on the work conditions. Use the factory test results shown in
Fig. 1 for comparison purposes only.
[Test conditions]
x
Direction: Downward drilling
x
Pushing force: 98 N (10 kgf)
x
Test material: Concrete panel with compression strength of 2,352 N/cm
2
(240 kgf/cm
2
)
3. Comparison of Chiseling Performance
Chiseling performance varies considerably depending on the work conditions. Use the factory test results
shown in Fig. 2 for comparison purposes only.
DH 24PC3
DH 22PH
0
10
20
30
40
Chiseling amount (kg/30 min.)
Voltage supply: 230 V
100%
70%
37
26
Fig. 1
Содержание DH 22PH
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