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RBM-CT
ETERNAL
1. ETERNAL company specialize on manufacturing raise boring cutter, which is applicated to bore all kinds of tunnel and shaft. In the past years, RBM cutter has been exported to many countries, such ash South Africa, Brazil, Chile, Mexico, Russian, Vietnam, Korea etc, It could be installed on the machine of Sandvik, Atlas copco, Robbins, Herrenknecht etc.
2. Size and technical specification
Size range: 7”-19”
Cutter row: 3 rown, 4 row, 5 row
Cutter body choose 4330V (4330V MOD) forging material
Button choose tungsten carbide
Choose excellent tapered roller bearing
Carry out torque test on each cutter
3. Material chemical specification :
C: 0.28 Min./0.37 Max.
Mn: 0.45Min./0.65Max.
Si: 0.1 Min./0.3 Max.
Ni: 2 Min./3 Max.
Cr: 0.8 Min./1.1 Max.
Mo: 0.4 Min./0.65 Max.
V: 0.05 Min./0.15 Max.
4. Mechanical property :
Tensile strength : min 1033MPA , Yield strength : 964MPA
Impact value : min 90J
1. ETERNAL company specialize on manufacturing raise boring cutter, which is applicated to bore all kinds of tunnel and shaft. In the past years, RBM cutter has been exported to many countries, such ash South Africa, Brazil, Chile, Mexico, Russian, Vietnam, Korea etc, It could be installed on the machine of Sandvik, Atlas copco, Robbins, Herrenknecht etc.
2. Size and technical specification
Size range: 7”-19”
Cutter row: 3 rown, 4 row, 5 row
Cutter body choose 4330V (4330V MOD) forging material
Button choose tungsten carbide
Choose excellent tapered roller bearing
Carry out torque test on each cutter
3. Material chemical specification :
C: 0.28 Min./0.37 Max.
Mn: 0.45Min./0.65Max.
Si: 0.1 Min./0.3 Max.
Ni: 2 Min./3 Max.
Cr: 0.8 Min./1.1 Max.
Mo: 0.4 Min./0.65 Max.
V: 0.05 Min./0.15 Max.
4. Mechanical property :
Tensile strength : min 1033MPA , Yield strength : 964MPA
Impact value : min 90J