Single disc cutter, also known as single disk, is a kind of disc cutter with only one cutter ring, which is mounted on the front and gauge area of the cutter head. It is mainly used as face cutter and gauge cutter to break hard rock with high uniaxial compressive strength (UCS≥70Mpa) and mixed ground. It is a key cutting tool for rock excavation.

Eccentric disc cutter is a kind of single disc cutter. The cutter ring of eccentric disc cutter is inclined to one side of the cutter hub, and this type of TBM disc cutter is usually mounted on the gauge area of cutter head, also known as gauge disc cutter.

Single Disc Cutter Specification

Single Disc Cutter Diameter Bearing Capacity

[Tonne] Cutter Ring Structure 

Product [inch] [mm]

20" 508 35, 42 Optional Assembly

19" 483 35, 42 Optional Assembly / Monoblock

18" 457 28 Optional Assembly / Monoblock

17" 432 28, 32 Optional Assembly / Monoblock

15 1/2" 394 22 Optional Assembly / Monoblock

14 356 20 Optional Assembly / Monoblock

12" 305 16 Optional Assembly / Monoblock

11" 280 13 Optional Assembly / Monoblock

10" 250 10 Optional Assembly / Monoblock

9" 220 9 Optional Monoblock

8" 200 8 Optional Monoblock

7" 180 8 Optional Monoblock

6 1/2" 165 5 Optional Monoblock

6" 150 4 Optional Monoblock

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