Random Roller Cutter is a kind of TCI roller cutter without annular grooves (chipways) on the cutter surface, and its carbides are randomly distributed on the cutter body surface according to the design. This kind of roller cutter can be used not only in raise boring equipment, called raise boring cutter; but also widely used in reverse circulation drilling equipment, called RCD cutter.
 

Random Roller Cutter Product Features:
 

1. The back cone adopts spherical buttons, and the main cone adopts conical buttons.
2. Randomly distributed buttons are used to achieve full coverage of the bottom crushing zone.
3. The bearing structure is a core covering bearing for roller cutter.
4. Use high-quality metal seals.
5. The roller cutters can be repaired and customized.

Random Roller Cutter Application Parameters: 
 

1. Applicable rock hardness: protodyakonov scale of hardness f≤12.
2. Recommended WOB of roller cutter: 100KN~170KN (12″), 60KN~100KN (8″).
3. Maximum WOB (weight on bit): 196KN (12″), 120KN (8″).
4. Recommended cutterhead rotation speed: 3-15 RPM.


Maximum linear velocity: 90m/min.

Roschen Optional Cutter Model
 

There are many rock drilling tools manufacturers in China, but we are one of the best choices for you.

Roschen focuses on the rock tool consumables - TBM cutters, top hammer drilling tools, raise boring cutters, and down the hole drilling tools. The rock drilling tools and excavation cutting tools can be used for various hardness rock types and geological conditions. We take reducing customers' comprehensive cost and improving production efficiency as the first priority, and focus on product quality and sustainable development as the long-term goal.