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Litian Heavy Industry Machinery Co., Ltd.
Litian Heavy Industry Machinery Co., Ltd.
Litian Rcd Cutter
Raise Borer Roller Cutter
Raise Boring Cutter
Rock Roller Bits
Litian Rcd Cutter
Raise Borer Roller Cutter
Raise Boring Cutter
Rock Roller Bits

Random Roller Cutter

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.

5. Maximum linear velocity: 90m/min.


Litian Optional Cutter Model


NO.

Model

Size

A

B

C

D

E

F

Taper

1

LT28020-00A

12″

340

227

280

45

86

80

20°

2

LT21820-00A

8″

192

156

218

30.5

59.5

49.5

20°


lt21820-00a.jpg



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