Drum Cutter ERC 650 with rotation unit on a CAT 321. Bridge renovation

Revolving drum cutter

Different motor variants available - find more information below
Technical Data

Carrier weight class ¹

3 t - 7 t

Service weight ²

530 kg

Product weight

490 kg

Nominal power

30 kW

Rotation speed

115 rpm

Optimum oil flow ³

41 l/min - 62 l/min

Max. torque @ 350 bar

3 000 Nm

Max. cutting force @ 350 bar

16 200 N

Pick shaft diameter

20 mm

Number of picks

64

Max. oil flow @ 10 bar

90 l/min

Max. operating pressure

350 bar

Rotation unit ⁴

ERU 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 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):        1,085 mm

Width of cutting head (B):         685 mm

Diameter of cutting head (C):   370 mm

All ERC drum cutters

Download our brochures

More information about revolving drum cutters

What different models are available?

We have the ERC 100-1, ERC 100-2, ERC 100-3 and ERC 100-4

What is the difference of the motors?

    ERC 100-1 ERC 100-2 ERC 100-3 ERC 100-4
Recommended rotation speed rpm 110 110 110 110
Recommended oil flow l/min 41 52 57 62
Maximum oil flow at 10 bar l/min 90 90 90 90
Maximum operating oil pressure bar 350 350 350 350
Torque at 210 bar Nm 1,200 1,500 1,650 1,800
Torque at 350 bar Nm 2,000 2,500 2,750 3,000
Cutting force at 210 bar N 6,480 8,100 8,940 9,720
Cutting force at 350 bar N 10,800 13,500 14,900 16,200

What is the standard pick for the ERC 100?

Round attack pick

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

Application: Concrete, soft to medium hard rock

Part number.: 3311004558

What is the right pick box for the ERC 100?

Pick box: PH 250

Part number: 3311000832

How can you fix the picks on the pick box?

Retaining clip

ES 250

Part number: 3311001648

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

What about additional picks, pick boxes and retainers?

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

 

Find more options in our cutting tools brochure. Click here

What are the technical data of the ERU rotator unit?

    ERU 2
Carrier weight class ¹ t  3 - 8
Service weight ² Kg 250
Product weight Kg 200
A (diameter of gearbox) mm 370
B (overall height of rotator) mm 450
C (length) mm 640
D (height) mm 500
Max. oil flow of rotary feedthrough l/min 90
Max. hydr. pressure of rotary feedthrough bar 350
Recom. oil flow of rotary drive l/min 10
Recom. hydr. pressure for rotary drive bar 160
Max holding torque of rotator drive Nm 11,100
Number of rotary drive motors no 1


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.