Doppstadt

DF 207 ROTARO

Fine shredder

Index

Contents Slide No.

Machine

Machine design 3

Usage and control cabinet 10

Drawing sheet 13

Optional extras 14

Main features 17

Grinding process 18

Technical data 19

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• Solid chassis is fabricated

using torsion resistant welded

construction

• Large service doors for easy

access to drive system and

hydraulic unit

• vibration dampers mounted at

machine feet

Machine Design

Chassis

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Machine design

Drive unit

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• Energy saving by direct drive

system

• 1x250kW AC-motors

• V-belt drive on left side

• Hydraulic unit on right side

• Space saving construction by

placing motors inside of

machine

Machine design

Drive unit / hydraulic unit

• Hydraulic unit with separated drive motor

(right side) - Automatic pressure control of the self-adjusting material

pusher

- Opening and closing of the service access hatches

- Locking mechanism, sieve- basket access hatch

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• Direct drive without transmission (left side) - V-belt drive

- Power: 1x 250kW IE4

- continuously adjustable Rotor speed from 100rpm up to

350rpm

Machine design

Cutting rotor

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• Full material rotor

• Diameter: 606mm

• Weight: 5370kg

• High rotation mass

Machine design

Cutting tools

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• Counter blade length 2204mm

with 10 blade segments

• 48 bolt-on knife blades on

rotor

• Easy tool change by way of

high-strength bolt-on

fastenings

• Turnable knife blades (4

edges) enables longer life

time until full knife exchange

Machine design

Cutting tools

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• Selectable sieve-baskets

mesh sizes 30 – 100mm

• Thickness of the sieve-

baskets: 20mm

• New basket system for easier

changing of the sieve basket

Machine design

• Load sensor controlled

system

• Regulates even product flow

towards the cutting rotor

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Machine design

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• Local control cabinet at the

machine

• Control of all functions

necessary for running,

maintaining and servicing the

machine

Switchboard cabinet

• Variable frequency drive,

rotation speed control

• Dimensions : WxDxH

3800x600x1900mm

• Full torque from start-up of the

machine

• Placement in a dry and dust-

free room is mandatory:

control room or acclimatized

container

• Inching mode for turning rotor

during servicing of blades

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Switchboard cabinet

• Picture 1 – Power supply

• Picture 2 – Variable frequency drive

• Picture 3 - Controls

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DF 207 ROTARO

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Optional Extras

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Optional Extras

• Machine mounting frame • Machine can be raised up to 1200mm

• Higher on request

• Discharge conveyor, • AA-3200mm BB-800mm

AA = length of conveyor between end roller axles

BB = width of conveyor belt

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Optional Extras

• Switch cabinet container

• serves to protect the electrical switch

cabinet components against mechanical

damage, climatic influences and the ingress

of dust and/or other emissions.

• LxWxH : 5000x2400x2600mm

• The Profibus system integrates the

Doppstadt machine with a master system

controller

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Characteristics

MAIN FEATURES

Robust steel body

Load sensing material in-feed by hydraulic pusher system

Large maintenance flaps ensure easy access to the shredding chamber

Easily changeable knives by means of simple connections on the rotor and

fixed counter-blade section

High efficiency due to large rotor mass

Shear pin coupling on rotor drive protects the machine against damage from

foreign objects

New basket system for easier changing of the sieve basket

Continuously adjustable Rotor speed from 100rpm up to 350rpm

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Cutting process

• Material feed-in by conveyor

belt

• Self-adjusting pusher presses

material into the rotor blades

• Cutting process with rotor

blades and counter blades

• Processed material outlet via

sieve-baskets and conveyor

belt

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Overview

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Machine DF 207 ROTARO

Basic

Drive using AC-motors 1 x 250kW

Rated current 472 A

Rated current on machine start up 472 A

Recommended main fuse 630 A

V-belt drive X

Hydraulic material pusher system with load sensing control X

Hydraulic unit 7.5kW

Rotor diameter 600mm

Rotor length 2200mm

Rotor weight 5400kg

Knife blade sections (blades are turnable) 48

Counter blades (blades are turnable) 10

1 sieve-basket set (3 pieces - selectable mesh size) X

Large service door for easy cleaning and tool change X

Local control cabinet at the machine X

Emergency shut-down switches X

Pre-assembled switch cabinet X

Variable frequency drive, rotation speed control, inching (service) mode for the rotor X

Overview

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Machine DF 307 Rotaro

Optional extras

Discharge conveyor, in combination with steel frame only Length 3200mm x Width 800mm

Machine steel frame up to 1200mm

Profibus – Interface X

Switch cabinet container LxWxH 5000x2400x2600mm

Customised RAL colour service X