Exakt 35 User manual
Operating Manual
Three Roll Mill EXAKT 35 / 50
(EXAKT 35 is not available in all countries)
EXAKT Apparatebau GmbH & Co. KG
Robert-Koch-Strasse 5
22851 Norderstedt
Germany
Phone: +49 (0) 40 / 529 560-0, Fax: +49 (0) 40 / 5 24 99 59
email: [email protected], http:\\www.exakt.de
This documentation is copyrighted by EXAKT Apparatebau GmbH &
Co. KG. The documentation may not be copied or used in contradiction
to the legitimate interest of EXAKT without prior written consent. 2002
Important!
Read this operating manual prior to setting up the unit!
Contents
2 Edition 04/09.2002 EXAKT 35 / 50
Contents
Contents .........................................................................................................................2
2 Contact information.................................................................................................4
2.1 To contact the manufacturer.......................................................................................4
2.2 To contact your authorised distributor.........................................................................4
2.3 Service and spare parts..............................................................................................4
3 Safety ........................................................................................................................5
3.1 General safety instructions .........................................................................................5
3.2 Installation site............................................................................................................6
3.3 Safety instructions for operation .................................................................................7
3.4 Safety information for cleaning ...................................................................................8
3.5 Intended use...............................................................................................................9
4 Description / Overview ..........................................................................................10
4.1 Description ...............................................................................................................10
4.2 Variations overview ..................................................................................................10
5 System diagram .....................................................................................................11
5.1 Operator controls......................................................................................................11
5.2 Scraper systems.......................................................................................................12
5.2.1 Plastic scraper...............................................................................................12
5.2.2 Metal scraper.................................................................................................12
5.2.3 Scraper with knife (universal scraper)............................................................13
5.3 Hopper .....................................................................................................................13
5.3.1 Plastic hopper................................................................................................13
5.3.2 Stainless steel hopper ...................................................................................14
5.4 Speed control system (optional on EXAKT 50) .........................................................14
6 Operation................................................................................................................15
6.1 Connecting the unit...................................................................................................15
6.2 Attaching the plastic guides / Mounting the hopper...................................................16
6.3 Installing / removing the scraper ...............................................................................17
6.4 Adjusting the fineness of dispersion and the material throughput .............................18
6.5 Speed control system (EXAKT 50 only)....................................................................20
6.6 General Operating Instructions .................................................................................21
Contents
EXAKT 35 / 50 Edition 04/09.2002 3
7 Maintenance ...........................................................................................................24
7.1 Cleaning schedule ....................................................................................................25
7.2 Checking / cleaning and replacing the guides...........................................................26
7.3 Cleaning the rollers...................................................................................................27
7.4 Checking / cleaning and replacing the scraper system .............................................28
7.4.1 Replacing / installing the scraper knife made of metal / PVC / epoxy resin
(EXAKT 50 only)............................................................................................28
7.4.2 Replacing / installing the ceramic knife (EXAKT 50 only)...............................30
7.4.3 Adjusting the contact pressure of the scraper system ....................................32
8 Troubleshooting.....................................................................................................33
9 Technical Specifications .......................................................................................34
9.1 General Information..................................................................................................34
9.2 Voltages other than 230V / 50Hz ..............................................................................34
9.3 Roller and scraper system data ................................................................................35
10 Spare parts and auxiliary equipment ...................................................................36
10.1 Ordering Spare Parts................................................................................................36
10.2 EXAKT 35 spare parts..............................................................................................37
10.3 EXAKT 35 scraper systems......................................................................................39
10.4 EXAKT 50 spare parts..............................................................................................40
10.5 EXAKT 50 scraper systems......................................................................................42
10.6 Possible combinations of rollers and scraper knives on the EXAKT 50.....................43
11 Index .......................................................................................................................44
12 Appendix ................................................................................................................45
12.1 Terms of Manufacturer’s Warranty............................................................................45
12.2 Declaration of conformity ..........................................................................................46
12.3 Circuit diagram of speed control system ...................................................................47
Contact information
4 Edition 04/09.2002 EXAKT 35 / 50
2 Contact information
2.1 To contact the manufacturer
EXAKT Apparatebau GmbH & Co. KG
Robert-Koch-Strasse 5
22851 Norderstedt
Germany
Phone: +49 (0) 40 / 529 560 - 0
Fax: +49 (0) 40 / 5 24 99 59
email: inf[email protected]
http:\\www.exakt.de
2.2 To contact your authorised distributor
2.3 Service and spare parts
If you need service or would like to order spare parts, please
contact the authorised distributor in your area.
Note
Please use the order form provided in the section Spare Parts
and Accessories to order spare parts.
Safety
EXAKT 35 / 50 Edition 04/09.2002 5
3 Safety
3.1 General safety instructions
Anyone in charge of installing, setting-up, operating or
maintaining the unit and its components must have read and
understood the information in this manual and in particular the
section on safety.
Taking into account the technical qualification of the personnel
involved, additional instruction may be necessary to fully convey
the safety issues in this manual. It is the responsibility of the
employer to insure that all personnel are properly trained.
The following symbols are used in this manual:
Warning – <Personal injury hazard!>
Warning - <Danger of damage to the unit or ist
components!>
Warning - <Electrical hazard!>
Caution - <Disconnect the unit from mains supply!
Electrical hazard!>
Note
Information or notes appear here.
Safety
6 Edition 04/09.2002 EXAKT 35 / 50
Warning plates or labels are applied to the unit housing to
ensure safer operation.
Observe all safety instructions. Compliance with these
instructions is in the interest of personal safety.
Before setting-up the unit, the operator must ensure that all
safety-related requirements have been met.
All applicable accident prevention regulations as well as other
generally recognised regulations concerning workplace health
and safety must be observed.
3.2 Installation site
The unit must be positioned upright.
The installation location must provide firm support for the unit.
Warning – Product or component damage!
Do not place any objects on top of the unit.
!" Check the main power cord and plug for signs of damage
prior to connecting the unit.
Warning – Danger of damage to the unit due to an incorrect
supply voltage!
Only connect the unit to the electrical supply voltage indicated
on the unit’s rating plate. Only connect it to a properly installed
and grounded outlet.
Compare the main power voltage with the unit voltage indicated
on the rating plate prior to connecting the unit.
When selecting an installation site, the applicable safety
regulations and manufacturer’s instructions concerning
substances used for or located near the unit must be observed.
Safety
EXAKT 35 / 50 Edition 04/09.2002 7
3.3 Safety instructions for operation
Avoid any operating practice which:
!" endangers the health and safety of the user or third parties,
!" presents a danger to the unit or other property,
!" impairs the safety and operation of the unit,
!" does not comply with the safety instructions.
Servicing and maintenance should only be performed by
suitably qualified personnel who are familiar with the unit and
who have been trained in its potential hazards.
Warning – Missing safety devices or covers are a personal
injury hazard
The unit covers must be closed during system operation and
may be opened only to correct malfunctions and for
maintenance work.
Missing safety devices and covers must be refitted when work
on the unit has been completed.
Warning – Personal injury due to drawing-in hazard!
There is an increased danger of injury to persons with long hair
or personnel wearing loose clothing, ties, scarves etc.!
Loose clothing should be removed or restricted and long hair
confined behind the neck and shoulders with caps or bands
when working with the unit.
Warning – Severe pinch point at the rear gap – Personal
injury hazard!
When the product is applied to the rollers, there is an increased
risk of finger injuries.
!" Always use the hopper! Never use your hand to convey
product directly to the machine.
!" If no hopper is used, the product may only be applied using
a suitable tool (e.g. a spatula).
NOTE: There is a danger to the unit and the operator if the
tool is drawn into the gap.
Safety
8 Edition 04/09.2002 EXAKT 35 / 50
Caution - Disconnect the unit from the main power supply
before working on live connections!
Working on live electrical connections increases the risk of
electrocution.
Always disconnect the unit from the main power supply when
working on or near electrical installations. Disconnect the unit
from the electrical supply and ensure that power supply cannot
be accidentally restored.
3.4 Safety information for cleaning
Caution - Disconnect the unit from the main power supply
prior to cleaning the unit!
Prior to cleaning, unplug the unit from the main power supply.
Accidentally starting the unit during cleaning can lead to serious
injuries.
Warning – Personal injury hazard when cleaning the unit
while the motor is running!
The risk of injuries is increased when the unit is cleaned while
the motor is running.
Only clean the unit when it is switched off.
!" Use the attachable hand-wheel to turn the rollers for
cleaning.
NOTE: Observe all applicable manufacturers’ safety data
sheets and disposal information, as well as any applicable local
safety regulations when using detergents.
Warning - Do not use explosive or highly flammable
detergents!
There is an increased risk of explosion if explosive or highly
flammable detergents are used.
Safety
EXAKT 35 / 50 Edition 04/09.2002 9
3.5 Intended use
The unit is intended solely for the application(s) outlined in the
description section and only with components supplied and
approved by EXAKT.
Using the unit for purposes other than those listed is considered
contrary to the intended use. The manufacturer cannot be held
liable for damages or injuries resulting from misuse. The risk for
uses other than those expressly intended by the manufacturer
is born solely by the user / operator.
Description / Overview
10 Edition 04/09.2002 EXAKT 35 / 50
4 Description / Overview
4.1 Description
The EXAKT 35/50 units are used for the distribution,
homogenisation or dispersion of powdered materials in pastes,
fluid or semi-fluid dispersants.
The units can be used for processing products from industries
such as cosmetics, pigments/colorants, electronics, food, dental
products, ceramics, pharmaceuticals, adhesives, lubricants and
special products.
Warning – Do not process explosive or highly flammable
substances!
There is an increased risk of explosion if explosive or highly
flammable substances are processed.
Warning – Danger of overheating during uninterrupted,
continuous operation!
The EXAKT 35 is not suitable for continuous operation.
Continuous operation leads to overheating of the substances
processed.
Formulas may only be processed in small quantities (grams).
!" Monitor the unit during processing to detect possible signs
of overheating.
4.2 Variations overview
Depending on the application the EXAKT 35/50 units are
available with the following main features:
!" Variety of roller materials (hard porcelain, aluminium oxide,
hard-chrome-plated steel and other special material upon
request)
!" Various scraper systems (solid plastic for EXAKT 35/50,
metal for EXAKT 35/50, universal scraper for EXAKT 50)
!" One speed for EXAKT 35/50 or continuously variable speed
option for EXAKT 50
!" Hoppers made of plastic or stainless steel
This manual suits for next models
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