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EK Chain Cutter
EK Chain Cutter range from KEMROC
THE EK RANGE OF CHAIN CUTTERS IS THE FIRST OF ITS TYPE ON THE MARKET. DESIGNED FOR USE ON EXCAVATORS FROM 1.5 TO 70 TONS AND THEY ARE IDEAL FOR CUTTING ROCK WITH A UNIAXIAL COMPRESSIVE STRENGTH UP TO 140MPa.
They are efficient and vibration-free attachments for the excavation of deep narrow trenches with the optimal trench profile. Trench width starts from 370 mm without a maximum limit. Another application is the mining of medium-hard minerals with compressive strength from 15 to 60 MPa, where drilling and blasting is not possible.
The continuous chain driven by the cutter drums removes the material automatically from the space between the cutter drums, As a result, KEMROC chain cutters excavate trenches no wider than absolutely necessary. With standard drum cutters, the need to remove this material on technical grounds always results in trenches wider than the cutter but 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% energy saving for equivalent production rates compared to conventional rotary drum cutters without the central chain.
| Model | Recommended excavator weight | Rated power | Drum cutter length (A) | Cutter head width (B) | Cutter drum diameter (C) | Width of gearbox (D) | Maximum torque at 380 bar | Maximum cutting force at 380 bar | Maximum uniaxial compressive strength |
|---|---|---|---|---|---|---|---|---|---|
| EK 15 | 1.5– 3 t | 15 kW | 557 mm | 370 mm | 231 mm | 370 mm | 600 Nm | 5,195 N | 15 MPa |
| EK 20 | 2 – 4 t | 22 kW | 700 mm | 480 mm | 260 mm | 480 mm | 1,000 Nm | 7,692 N | 25 MPa |
| EK 40 | 5 – 10 t | 44 kW | 1,500 mm | 500 mm | 600 mm | 450 mm | 5,700 Nm | 19,000 N | 30 MPa |
| EK 60 | 10 – 17 t | 60 kW | 1,900 mm | 500 mm | 800 mm | 450 mm | 11,000 Nm | 27,500 N | 50 MPa |
| EK 100 | 18 – 30 t | 100 kW | 1,900 mm | 600 / 700 / 800 mm | 800 mm | 550 mm | 18,300 Nm | 46,000 N | 80 MPa |
| EK 110 | 25 – 32 t | 110 kW | 1,900 mm | 600 / 700 / 800 mm | 800 mm | 550 mm | 24,500 Nm | 61,000 N | 80 MPa |
| EK 140 | 30 – 45 t | 140 kW | 2,050 mm | 800 / 900 / 1,000 mm | 850 mm | 700 mm | 26,000 Nm | 61,000 N | 100 MPa |
| EK 150 | 35 – 50 t | 150 kW | 2,050 mm | 800 / 900 / 1,000 mm | 850 mm | 700 mm | 30,000 Nm | 71,000 N | 100 MPa |
| EK 160 | 35 – 50 t | 150 kW | 2,050 mm | 800 / 900 / 1,000 mm | 850 mm | 700 mm | 34,000 Nm | 80,000 N | 120 MPa |
| EK 220 | 50 – 70 t | 220 kW | 2,400 mm | 920 mm | 994 mm | 900 mm | 63,000 Nm | 126,761 N | 140 MPa |
| Model | Recommended rotation speed | Recommended oil flow | Maximum oil flow at 10 bar | Maximum operating hydraulic pressure | Weight | Number of picks in cutter drums | Number of picks in the cutter chain | Standard pick |
|---|---|---|---|---|---|---|---|---|
| EK 15 | 140 rpm | 15 – 30 l/min | 40 l/min | 250 bar | 90 kg | 48 pcs | 29 pcs | ER 11/28/24/12 C |
| EK 20 | 140 rpm | 20 – 40 l/min | 50 l/min | 300 bar | 170 kg | 44 pcs | 27 pcs | ER 16/29/25/14 C |
| EK 40 | 90 rpm | 70 – 90 l/min | 120 l/min | 380 bar | 900 kg | 52 pcs | 49 pcs | ER 16/46/38/20 C |
| EK 60 | 80 rpm | 130 – 160 l/min | 220 l/min | 400 bar | 1,600 kg | 56 pcs | 55 pcs | ER 19/48/32/20 H |
| EK 100 | 70 rpm | 180 – 240 l/min | 260 l/min | 400 bar | 2,400 – 2,600 kg | 28 / 44 / 52 pcs | 54 pcs | ER 17/75/70/30 Q |
| EK 110 | 65 rpm | 210 – 260 l/min | 300 l/min | 400 bar | 2,400 – 2,600 kg | 28 / 44 / 52 pcs | 54 pcs | ER 17/75/70/30 Q |
| EK 140 | 65 rpm | 260 – 300 l/min | 420 l/min | 400 bar | 3,600 – 3,800 kg | 44 / 48 / 56 pcs | 63 pcs | ER 17/75/70/30 Q |
| EK 150 | 60 rpm | 280 – 320 l/min | 450 l/min | 400 bar | 3,600 – 3,800 kg | 44 / 48 / 56 pcs | 63 pcs | ER 17/75/70/30 Q |
| EK 160 | 60 rpm | 290 – 330 l/min | 450 l/min | 400 bar | 3,600 – 3,800 kg | 44 / 48 / 56 pcs | 63 pcs | ER 17/75/70/30 Q |
| EK 220 | 40 rpm | 420 – 550 l/min | 800 l/min | 400 bar | 6,000 / 6500 kg | 44 / 60 pcs | 58 pcs | ER 25/80/80/38 S |