Revolving drum cutter

Different motor variants available - find more information below
Technical Data

Carrier weight class ¹

8 t - 15 t

Service weight ²

950 kg

Product weight

880 kg

Nominal power

45 kW

Rotation speed

90 rpm

Optimum oil flow ³

60 l/min - 85 l/min

Max. torque @ 350 bar

5 200 Nm

Max. cutting force @ 350 bar

23 200 N

Pick shaft diameter

22 mm

Number of picks

44

Max. oil flow @ 10 bar

100 l/min

Max. operating pressure

350 bar

Rotation unit ⁴

ERU 3
  1. Weights apply to standard carriers only. Any variances must be agreed with Epiroc and/or the carrier manufacturer prior to attachment. 
  2. Attachment with standard picks & average-sized adapter plate. 
  3. Various motor variants available per model.
  4. More about the rotation unit

Measurements

Measurments ER dum cutter

Length of drum cutter (A):        1,325 mm

Width of cutting head (B):         685 mm

Diameter of cutting head (C):   450 mm

All ERC drum cutters

Download our brochures

More information about revolving drum cutters

What different models are available?

We have the ERC 250-2, ERC 250-3 and ERC 250-4

What is the difference of the motors?

    ERC 250-2 ERC 250-3 ERC 250-4
Recommended rotation speed rpm 90 90 90
Recommended oil flow l/min 60 70 85
Maximum oil flow at 10 bar l/min 100 100 100
Maximum operating oil pressure bar 350 350 350
Torque at 350 bar Nm 3,500 4,350 5,200
Cutting force at 350 bar N 15,600 17,400 23,200

What is the standard pick for the ERC 250?

Round attack pick (till 06-2012)

ER 12/45/38/20 K (self-locking, no retainer needed)

Application: Concrete, soft to medium hard rock

Part number.: 3311004558

 

Round attach pick (from 07-2012)

ER 19/51/45/22 H (self-locking, no retainer needed)

Application: Asphalt, soft and abrasive rock

Part number: 3311004568

 

What is the right pick box for the ERC 250?

Pick box: PH 250 (till 06-2012)

Part number: 3311000832

 

Pick box: PH 450 UA (from 07-2012)

Part number: 3311001804

How can you fix the picks on the pick box?

Retaining clip (till 06-2012)

ES 250

Part number: 3311001648

(Fits only with pick ER 16/46/38/20 C)

What about additional picks, pick boxes and retainers? (till 06-2012)

Round attack pick

ER 09/51/25/20 K (self-locking, no retainer needed)

Application: Soft rock, salt, gypsum

Part number: 3311004560

 

Round attack pick

ER 13/48/44/20 H (self-locking, no retainer needed) 

Application: Concrete, soft to medium hard rock

Part Number: 3311004561

 

Round attack pick

ER 15/48/44/20 H (self-locking, no retainer needed)

Application: Concrete, soft to medium hard rock

Part number: 3311004564

 

Round attack pick

ER 16/46/38/20 C (retainer needed)

Application: Concrete, soft to medium hard rock

Part number: 3311004559

 

Round attack pick

ER 16/48/32/20 H (self-locking, no retainer needed)

Application: Asphalt

Part number: 3311004562

 

Round attack pick

ER 19/48/36/20 H (self-locking, no retainer needed)

Application: Asphalt

Part number: 3311004563

What about additional picks, pick boxes and retainers? (from 07-2012)

Round attack pick

ER 12/45/38/22 HC

Application: Concrete, medium hard and abrasive rock

Part number: 3311004565

 

Retaining clip

ES 450

Part number: 3311000990

 

Round attack pick

ER 12/45/38/22 C

Application: Concrete, medium hard rock

Part number: 3311004566

 

Retaining clip

ES 450

Part number: 3311000990

 

Round attack pick

ER 15/46/38/22 C

Application: Concrete, medium hard rock

 

Retaining clip

ES 450

Part number: 3311000990

    

What are the technical data of the ERU rotator unit?

    ERU 3
Carrier weight class ¹ t  8 - 15
Service weight ² Kg 510
Product weight Kg 440
A (diameter of gearbox) mm 460
B (overall height of rotator) mm 520
C (length) mm 760
D (height) mm 600
Max. oil flow of rotary feedthrough l/min 170
Max. hydr. pressure of rotary feedthrough bar 350
Recom. oil flow of rotary drive l/min 30
Recom. hydr. pressure for rotary drive bar 160
Max holding torque of rotator drive Nm 44,700
Number of rotary drive motors no 2


¹ Weights apply to standard carriers only. Any variances must be agreed with Epiroc and/or the carrier manufacturer prior to attachment.

² Attachment with standard hose kit & average-sized adapter plate.