Rock Cutters

EK 160 Chain Cutter

The Kemroc EK 160 Chaincutter offers high performance and precision, perfect for demanding excavation and construction tasks.

The EK range of chain cutters are the first of their type on the market. Designed for use on excavators from 2 to 70 tons, they are ideal for cutting stone with an uniaxial compressive strength up to 120 MPa. They are efficient, vibration-free attachments for the excavation of deep narrow trenches with the optimal trench profile. Trench width starts from 480 mm. Another application is mining of medium hard minerals with compressive strength from 15 to 80 MPa, where drill and blast is not possible.

KEMROC chain cutters excavate trenches no wider than absolutely necessary. The continuous chain, driven by the cutter drums, removes the material automatically from the space between the cutter drums. With standard drum cutters, the need to remove this material on technical grounds always results in trenches wider than the cutter. Keeping trenches to the minimum width possible saves unnecessary transport costs for removal of cut material and fill material becomes cheaper. The material produced by the chain cutter is fine grained and is ideal for use as fill.

EK chain cutters reduce wear and tear on the excavator swing gear. In addition, they give a 40 percent energy saving for equivalent production rates compared to conventional rotary drum cutters without the central chain.

  • Recommended excavator weight
    77,000 – 110,000 lb
  • Rated power
    200 hp (150 kW) 
  • Drum cutter length (A)
    85 in
  • Cutter head width (B)
    32 | 35 | 40 in
  • Cutter drum diameter (C)
    34 in
  • Width of gearbox (D)
    28 in
  • Recommended rotation speed
    60 rpm
  • Recommended oil flow
    77 – 88 gal/min
  • Max. oil flow
    118 gal/min
  • Max. operating hydraulic pressure
    5,800 psi (400 bar) 
  • Max. torque at max. hydraulic pressure
    25,080 lbf·ft
  • Max. cutting force at max. torque
    17,980 lbf
  • Max. uniaxial compressive strength
    17,000 psi (120 MPa) 
  • Weight
    8,050 | 8,160 | 8,380 lb
  • Pick box
    PH 32 HD Type
  • Number of picks in cutter drums
    44 | 48 | 56 Pcs
  • Number of picks in the cutter chain
    63 Pcs
  • Standard pick
    ER 19/75/70/30 Q 

See it in Action

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