Retsch Bb50 User manual

Manual

Jaw Crusher BB50

Translation

Retsch GmbH

Haan, Retsch-Allee 1-5

D-42781 Haan

Federal Republic of Germany

1Notes on the Operating Manual............................................................................................................6

1.1 Explanations of the safety warnings.................................................................................................. 7

1.2 General safety instructions................................................................................................................ 8

1.3 Repairs............................................................................................................................................... 9

2Confirmation.........................................................................................................................................10

3Technical data.......................................................................................................................................11

3.1 Use of the machine for the intended purpose.................................................................................. 11

3.1.1 Properties of the grinding material............................................................................................... 11

3.2 Working instructions ........................................................................................................................ 12

3.3 Protective equipment....................................................................................................................... 13

3.4 Emissions......................................................................................................................................... 13

3.5 Degree of protection ........................................................................................................................ 13

3.6 Motor rotation speed........................................................................................................................ 13

3.7 Receptacle volume .......................................................................................................................... 13

3.8 Feed size ......................................................................................................................................... 13

3.9 Rated power .................................................................................................................................... 13

3.10 Dimensions and weight.................................................................................................................... 14

3.11 Required floor space........................................................................................................................ 14

4Transport, scope of delivery, installation..........................................................................................15

4.1 Packaging........................................................................................................................................ 15

4.2 Transport.......................................................................................................................................... 15

4.3 Temperature fluctuations and condensed water ............................................................................. 15

4.4 Conditions for the place of installation............................................................................................. 15

4.5 Electrical connection........................................................................................................................ 16

4.6 Type plate description...................................................................................................................... 16

4.7 Removing Transport Safeguards..................................................................................................... 17

4.8 Removing the transport safeguard .................................................................................................. 18

4.9 Installation of the machine............................................................................................................... 18

5Operating the machine ........................................................................................................................19

5.1 Views of the Instrument................................................................................................................... 19

5.2 Overview table of the parts of the device ........................................................................................ 21

5.3 Operating elements and displays .................................................................................................... 22

5.4 Overview Table of the Operating Elements and the Display........................................................... 22

5.5 Switching On and Off....................................................................................................................... 23

5.6 Setting the gap width to zero position.............................................................................................. 23

5.7 Setting the gap width....................................................................................................................... 24

5.8 Reverse grinding.............................................................................................................................. 25

5.9 Setting the Speed ............................................................................................................................ 25

5.10 Starting the grinding process........................................................................................................... 26

5.11 Stopping the grinding process......................................................................................................... 26

5.12 Sample receptacle........................................................................................................................... 27

6Safety functions and fault display......................................................................................................27

6.1 Fault messages ............................................................................................................................... 27

7Cleaning, wear and service .................................................................................................................28

7.1 Cleaning........................................................................................................................................... 28

7.1.1 Removing the feed hopper .......................................................................................................... 28

7.1.2 Removing the splash-back protection ......................................................................................... 29

7.1.3 Removing the grinding chamber cover........................................................................................ 29

7.2 Service............................................................................................................................................. 29

7.2.1 Replacing the breaking jaws........................................................................................................ 30

7.2.2 Replacing the front breaking jaw ................................................................................................. 30

7.3 Wear ................................................................................................................................................ 33

7.3.1 Resetting the wear alert............................................................................................................... 33

7.3.1.1 Setting the operating time until the calibration alert is displayed......................................... 33

8Disposal.................................................................................................................................................35

9Index ......................................................................................................................................................36

Appendix .................................................................................................................................. following page

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1 Notes on the Operating Manual

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This operating manual is a technical guide on how to operate the device safely and

it contains all the information required for the areas specified in the table of

contents. This technical documentation is a reference and instruction manual. The

individual chapters are complete in themselves.

Familiarity (of the respective target groups defined according to area) with the

relevant chapters is a precondition for the safe and appropriate use of the device.

This operating manual does not contain any repair instructions. If faults arise or

repairs are necessary, please contact your supplier or get in touch with Retsch

GmbH directly.

Application technology information relating to samples to be processed is not

included but can be read on the Internet on the respective device’s page at

www.retsch.com.

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Changes

Subject to technical changes.

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Disclosure or reproduction of this documentation, use and disclosure of its contents

are only permitted with the express permission of Retsch GmbH.

Infringements will result in damage compensation liability.

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1.1 Explanations of the safety warnings

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In this Operating Manual we give you the following safety warnings

Serious injury may result from failing to heed these safety warnings. We give you

the following warnings and corresponding content.

WARNING

Type of danger / personal injury

Source of danger

– Possible consequences if the dangers are not observed.

• Instructions on how the dangers are to be avoided.

We also use the following signal word box in the text or in the instructions on action

to be taken:

WARNING

Moderate or mild injury may result from failing to heed these safety warnings.

We give you the following warnings and corresponding content.

CAUTION

Type of danger / personal injury

Source of danger

– Possible consequences if the dangers are not observed.

• Instructions on how the dangers are to be avoided.

We also use the following signal word box in the text or in the instructions on action

to be taken:

CAUTION

In the event of possible property damage we inform you with the word

“Instructions” and the corresponding content.

NOTICE

Nature of the property damage

Source of property damage

– Possible consequences if the instructions are not observed.

• Instructions on how the dangers are to be avoided.

We also use the following signal word in the text or in the instructions on action to

be taken:

NOTICE

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1.2 General safety instructions

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CAUTION

Read the Operating Manual

Non-observance of these operating instructions

– The non-observance of these operating instructions can

result in personal injuries.

• Read the operating manual before using the device.

• We use the adjacent symbol to draw attention to the

necessity of knowing the contents of this operating

manual.

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Target group : All persons concerned with the machine in any form

This machine is a modern, high performance product from Retsch GmbH and

complies with the state of the art. Operational safety is given if the machine is

handled for the intended purpose and attention is given to this technical

documentation.

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You, as the owner/managing operator of the machine, must ensure that the people

entrusted with working on the machine:

• have noted and understood all the regulations regarding safety,

• are familiar before starting work with all the operating instructions and

specifications for the target group relevant for them,

• have easy access always to the technical documentation for this machine,

• and that new personnel before starting work on the machine are familiarised

with the safe handling of the machine and its use for its intended purpose,

either by verbal instructions from a competent person and/or by means of

this technical documentation.

Improper operation can result in personal injuries and material damage. You are

responsible for your own safety and that of your employees.

Make sure that no unauthorised person has access to the machine.

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CAUTION

Changes to the machine

– Changes to the machine may lead to personal injury.

• Do not make any change to the machine and use spare parts and

accessories that have been approved by Retsch exclusively.

NOTICE

Changes to the machine

– The conformity declared by Retsch with the European Directives will lose

its validity.

– You lose all warranty claims.

• Do not make any change to the machine and use spare parts and

accessories that have been approved by Retsch exclusively.

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Reper atur en

1.3 Repairs

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This operating manual does not contain any repair instructions. For your own

safety, repairs may only be carried out by Retsch GmbH or an authorized

representative or by Retsch service engineers.

In that case please inform:

The Retsch representative in your country

Your supplier

Retsch GmbH directly

Your Service Address:

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Bestä tigung

2 Confirmation

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This operating manual contains essential instructions for operating and maintaining

the device which must be strictly observed. It is essential that they be read by the

operator and by the qualified staff responsible for the device before the device is

commissioned. This operating manual must be available and accessible at the

place of use at all times.

The user of the device herewith confirms to the managing operator (owner) that

(s)he has received sufficient instructions about the operation and maintenance of

the system. The user has received the operating manual, has read and taken note

of its contents and consequently has all the information required for safe operation

and is sufficiently familiar with the device.

As the owner/managing operator you should for your own protection have your

employees confirm that they have received the instructions about the operation of

the machine.

I have read and taken note of the contents of all chapters in this operating

manual as well as all safety instructions and warnings.

User

Surname, first name (block letters)

Position in the company

Signature

Service technician or operator

Surname, first name (block letters)

Position in the company

Place, date and signature

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3 Technical data

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3.1 Use of the machine for the intended purpose

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Target group: Operating company, operator

Name of machine model: BB 50

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The jaw crusher has been specially developed for sample preparation in the

laboratory.

It is used for the fast and gentle grinding and pre-crushing of medium-hard, hard,

brittle and tough materials.

The final fineness that can be achieved can be up to 0.5 mm or below depending

on the feed material.

The maximum feed size is 40 mm.

Materials that can be ground in the BB 50 include the following:

Bakelite

Bauxite

Basalt

Concrete building

materials

Dolomite

Ores

Feld spar

Granite

Rubblestone

Glass

Limestone

Ceramic

Gravel

Boneblack

Coke

Corundum

Alloys

Oxide ceramic minerals

Quartz

Salts

Fireclay

Slag

Silicate

Silicon

Sintered material

Stones

Cement clinker

3.1.1 Properties of the grinding material

In principle every hard and brittle grinding material with hardness grade >3

according to the Mohs scale can be ground using this machine.

Damp, greasy grinding material and grinding material with a hardness grade <3

according to Mohs tends to compact or cake in the crushing chamber under the

applied pressure. Grinding these products by fracturing and applying pressure is

not possible.

Small sample quantities are ground gently and without loss. This machine is

available with a grinding chamber made from ceramic materials for heavy metal-

free grinding. The digital grinding gap display and the zero point alignment of the

machine enable reproducible grinding results.

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NOTICE

Area of use of the machine

– This machine is a laboratory machine designed for 8-hour single-shift

operation.

• This machine may not be used as a production machine nor is it

intended for continuous operation.

Technical data

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Arbeitsweise

3.2 Working instructions

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Fig. 1: Diagram of grinding

The grinding process in this machine takes place using pressure.

The grinding chamber (T) is funnel-shaped and narrows to the outlet opening (TA)

depending on the set gap width.

The gap width setting is infinitely adjustable.

The machine has a stationary crusher arm (RB) connected to the gap width

adjustment (D) and a mobile crusher arm (SB). Replaceable breaking jaws are

attached to both crusher arms, between which the grinding takes place by means

of pressure.

The eccentric movement of the actuated crusher arm (550...950/min) produces a

constant conveying of the grinding material until the final fineness has been

achieved that enables it to pass through the set gap (TA). It is then collected in a

removable collecting receptacle (E).

The convex shape of the replaceable breaking jaws made from different materials

ensures the best possible fine grinding and at the same time prevents material

compaction and a bridging effect.

Technical data

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3.3 Protective equipment

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Fig. 2: Protective devices

The machine is equipped with the following protective devices:

A: Splash-back protection

B: Fill hopper

BS: Switch for fill hopper

ES: Switch for drawer

Prevents sample ejection

Protects against reaching inside the machine

Checks position of the fill hopper and switches the

drive off

Checks drawer position

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3.4 Emissions

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Noise measurement

During grinding depending on the sample material:

– approx. 86,1 dB (A) without sample (speed 950 rpm)

– approx. 88,6 dB (A) with marble break (speed 650 rpm)

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3.5 Degree of protection

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–IP20

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3.6 Motor rotation speed

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The motor speed is 550...950min-1 and can be adjusted in increments of 50.

550 - 600 - 650 - 700 - 750 - 800 - 850 - 900 - 950min-1

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3.7 Receptacle volume

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The collection volume is < 3 l.

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3.8 Feed size

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The maximum feed size is 40mm.

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3.9 Rated power

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– 200-240 V: 1150W, 2 x 8A

Technical data

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3.10 Dimensions and weight

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When closed:

Height: 463 mm

Width: 421 mm

Depth: 607 / 562 mm

Weight: approx. 76 kg

Fig. 3: Dimensions

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3.11 Required floor space

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607 mm (+ space for power plug) x 421 mm

- no safety distance necessary

Space is required in front of the machine to pull the drawer out.

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Transport, scope of delivery, installation

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4 Transport, scope of delivery, installation

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4.1 Packaging

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The packaging has been adapted to the mode of transport. It complies with the

generally applicable packaging guidelines.

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NOTICE

Storage of packaging

– In the event of a complaint or return, your warranty claims may be

endangered if the packaging is inadequate or the machine has not been

secured correctly.

• Please keep the packaging for the duration of the warranty period.

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4.2 Transport

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NOTICE

Transport

– Mechanical or electronic components may be damaged.

•The machine may not be knocked, shaken or thrown during

transport.

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4.3 Temperature fluctuations and condensed water

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NOTICE

Temperature fluctuations

The machine may be subject to strong temperature fluctuations during transport

(e.g. aircraft transport)

– The resultant condensed water may damage electronic components.

• Protect the machine from condensed water.

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4.4 Conditions for the place of installation

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Ambient temperature: 5°C to 40°C

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NOTICE

Ambient temperature

– Electronic and mechanical components may be damaged and the

performance data alter to an unknown extent.

•Do not exceed or fall below the permitted temperature range of the

machine (5°C to 40°C / ambient temperature).

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Atmospheric humidity:

Maximum relative humidity 80% at temperatures up to 31°C, decreasing linearly up

to 50% relative humidity at 40°C

Transport, scope of delivery, installation

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NOTICE

Atmospheric humidity

– Electronic and mechanical components may be damaged and the

performance data alter to an unknown extent.

• Do not exceed the admissible range for atmospheric humidity.

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4.5 Electrical connection

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WARNING

When connecting the power cable to the mains supply, use an external fusethat

complies with the regulations applicable to the place of installation .

• Please check the type plate for details on the necessary voltage and

frequency for the device.

• Make sure the levels agree with the existing mains power supply.

• Use the supplied connection cable to connect the device to the mains power

supply.

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NOTICE

Electrical connection

– Mechanical or electronic components may be damaged.

• Please observe the information on the type plate.

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NOTICE

Installation of the machine

– It must be possible to disconnet the machine from the mains at any time.

• Install the machine such that the connection for the mains cable is

easily accessible.

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4.6 Type plate description

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Fig. 4: Type plate lettering

1 Device designation

Transport, scope of delivery, installation

2 Year of production

3 Part number

4 Serial number

5 Manufacturer’s address

6 CE marking

7 Disposal label

8 Bar code

9 Power version

10 Mains frequency

11 Capacity

12 Amperage

13 Number of fuses

14 Fuse type and fuse strength

In the case of questions please provide the device designation (1) or the part

number (3) and the serial number (4) of the device.

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4.7 Removing Transport Safeguards

Pos:7.20/0005RETSCH/0005RETSCH Bedienungsanleitunge n Kapit elsam mlung en/B B50/0 006 Ver pac kung, Tr anspor t und Aufs tellu ng/ 0005 BB 50 Modul T rans porthi lfe ent ferne n @ 5\mod_1345721568835_9.docx@ 34508@ @ 1

Fig. 5: Carrying the machine - preparation

• Before installing the carry support, remove the hopper (B) and the

grinding room cover (P).

(see chapter Cleaning removing the fill hopper / removing the splash-back

protection)

• Before carrying the machine, remove the bolt (G), the crusher arm

(R) and the drawer (E) to make the machine lighter.

(see chapter Servicing replacing the breaking jaws)

Transport, scope of delivery, installation

Fig. 6: Mounting the transport aid

• Fix the two transport aids (W) using screws (WS) to the machine.

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4.8 Removing the transport safeguard

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Fig. 7: Removing the transport lock

The machine is secured by steel plates on both sides.

• Remove the two screws (TS).

• Pull the transport lock (TB) out sideways.

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4.9 Installation of the machine

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Installation height: maximum 2000 m above sea level

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Operating the machine

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5 Operating the machine

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5.1 Views of the Instrument

Pos: 9. 3/ 000 5R ETSCH /00 05 RETSC H Bedie nungs anlei tung en Kapi telsa mmlu ngen/ BB50/0 007 Bedi enu ng/00 05 BB5 0M odul A nsich ten des G eräte s@ 5 \mod_1345555394077_9.docx@ 34280@ @1

Fig. 8: Front view

Fig. 9: Rear view

H,K,L

Operating the machine

Fig. 10: Machine partially open

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