Type a - type b, Chisel – Liebherr HS 835 HD Litronic User Manual
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31
30°
500
50
150
150
Cross chisel type A
Round chisel type B
Diameter of casings Width of chisel
Length of chisel
Weight
mm
mm
mm
kg
640
530
3500
1930
700
590
3500
2200
750
640
3500
2400
800
690
3150
2550
880
770
3150
2700
900
770
3150
2700
1000
890
3000
3300
1080
970
3000
3600
1100
970
3000
3700
1180
1070
3500
5000
1200
1070
3500
5000
1300
1190
3500
5200
1500
1370
3500
7000
1800
1640
3500
8000
2000
1840
3850
10000
2200
2040
4000
12000
2500
2220
4000
14000
2800
2520
4000
16000
3000
2700
4000
18000
Chisel
Type A - Type B
General Remarks
To drive casings through rock
For the different rock conditions we offer two types
of chisel:
Type A: Cross chisel with additional tangential cut-
ting edges for rock with a compression
strength of less than 1500 kg/cm
2
.
Type B: Round chisel with a cross inside for rock
with a compression strength of more than
1500 kg/cm
2
. The teeth are made of high
manganeze steel.
Chisel Type B for hard rock
Technical Data