English
中文
Español
русский
français
português
العربية
Deutsch
italiano
한국어
Polska
×
Kerf roller cutter is a kind of TCI roller cutter widely used in raise boring equipment. The cutter surface has multiple annular grooves (chipways), and the carbides are orderly distributed on the cutter body surface outside the chipways. This roller cutter is the most commonly used raise boring drilling tool.
1. Adopt premium wear-resistant inserts to minimize the wear of the roller cutter. The optional insert type include Chisel inserts, Conical inserts, Spherical inserts, Ballistic inserts.
2. The optional bearings include tapered roller bearings, ball bearings, and thrust roller bearings.
3. Adopt high-quality metal seals.
4. The roller cutters can be repaired and customized.
1. Applicable rock hardness: protodyakonov scale of hardness 11≤f≤20.
2. Recommended WOB of roller cutter: 100KN~200KN.
3. Maximum WOB (weight on bit): 245KN.
4. Recommended cutterhead rotation speed: 3-15 RPM.
5. Maximum linear velocity: 90m/min.
NO. | Model | A | B | C | E | F | Rows | Taper |
1 | LT347520-00A | 336 | 246 | 347 | 76 | 76 | 5 | 20° |
| ||||||||
NO. | Model | A | B | C | E | F | Rows | Taper |
2 | LT347520-00B | 336.2 | 246 | 346.7 | 76 | 76 | 5 | 20° |
| ||||||||
NO. | Model | A | B | C | D | E | F | Rows | Taper | |
3 | LT340420-00 | 335 | 239.5 | 340 | 40 | 80 | 80 | 4 | 20° | |
4 | LT340520-00B | 335 | 239.5 | 340 | 40 | 82 | 82 | 5 | 20° | |
| ||||||||||
NO. | Model | A | B | C | D | E | F | Rows | Taper | |
5 | LT320520-00 | 331 | 227 | 320 | 45 | 86 | 80 | 5 | 20° | |
6 | LT320620-00 | 331 | 227 | 320 | 45 | 86 | 80 | 6 | 20° | |
| ||||||||||
Jul 25-2025
What is a High Shank Adapter?
Jul 18-2025
How Long Does a Rock Drill Shank Adapter Last?
Litian is a professional manufacturer focused on the production of rock drilling tools and excavation tools.
Learn More >
.jpg "1641895038(1).jpg")
