Metkon SPECTRAL 250 Guide de l'administrateur

metkon.com

OPERATION & INSTRUCTION MANUAL

MANUAL SURFACE GRINDING MACHINE

EC Declaration of Conformity

Manufacturer : Metkon Instruments Inc.

Address : Demirtas Dumlupinar Organize Sanayi Bolgesi

Ali Osman Sonmez Cd. No: 14 Bursa / TURKEY

Model No : SPECTRAL 250

Herewith declares that;

Tabletop Surface Grinder

is in conformity with the provisions of the Machinery Directive (directive 2006/42/EEC), as amended, and with national

implementing legislation;

is in conformity with the provisions of the Low Voltage Directive (directive 2014/35/EU), as amended, and with national

implementing legislation;

is in conformity with the provisions of the EMC Directive (directive 2014/30/EU), as amended, and with national

implementing legislation;

And furthermore declares that

the following (parts/clauses of) standards have been applied

EN ISO 12100:2010, TS EN 60204-1, TS EN IEC 61000-6-2, TS EN 61000-6-4

Authorized Person: ERCIN SENAY

Position: Manager of Research and Development Department

Year: 2019

Bursa / Turkey

3 
 
Index 
DESCRIPTION ............................................................................................................................ 4 
Design .....................................................................................................................................................................................4 
Technical Data ........................................................................................................................................................................5 
Warranty .................................................................................................................................................................................5 
Safety Precautions ..................................................................................................................................................................5 
INSTALLATION & SET UP........................................................................................................... 6 
Unpacking & Checking Contents of Package ...........................................................................................................................6 
Step by Step Unpacking...........................................................................................................................................................6 
Installation and Set-Up ...........................................................................................................................................................7 
CONTROL PANEL....................................................................................................................... 8 
Control Button Functions ........................................................................................................................................................8 
OPERATION ............................................................................................................................... 9 
SERVICE AND MAINTENANCE ................................................................................................... 9 
Maintenance ...........................................................................................................................................................................9 
Troubleshooting.................................................................................................................................................................... 10 
ACCESSORIES AND CONSUMABLES......................................................................................... 11 
Accessories ............................................................................................................................................................................11 
Consumables..........................................................................................................................................................................11 
TECHNICAL DOCUMENTATION ................................................................................................ 11 
Customer Service ...................................................................................................................................................................11 
 
 
 
 

DESCRIPTION

Design

Optical emission spectrometry (OES) using arc and spark

excitation is the preferred method to determine the chemical

composition of metallic samples. This process is widely used

in the metal making industries, including primary producers,

foundries, die casters and manufacturing. Due to its rapid

analysis time and accuracy, Arc/Spark OES systems are most

effective in controlling the processing of alloys. This

technique can be used for many aspects of the production

cycle including in-coming inspection of materials, metal

processing, quality control of semi-finished and finished

goods and many other applications where a chemical

composition of the metallic material is required.

X-Ray fluorescence is one of the most versatile methods to

determine elements in a sample. The material is exposed to

x-rays that cause each element to emit its own unique

fluorescent x-ray. The subsequent analysis of the results is

based on comparisons to standard samples with given

chemical composition.

Sample preparation of metals and materials have become

more and more important because of the rapid development

and improvement of both software as well as OES and XRF-

devices during the past few years that shifts the detection

limit for trace analyses. It is crucial to have the sample

properly prepared.

The sample needs to be both representative, homogeneous

and with an even surface in order to eliminate factors that

can influence the results.

For the preparation of solid metal samples, Metkon offers

manual and automatic sample preparation machines - from

the small tabletop disc surface grinder to automatic grinding

machine. With Metkon Sample Preparation Machines, you

feel yourself ready for the analysis.

SPECTRAL 250 is a table-top portable surface grinder for the

preparation of steel samples for spectroscopy. Its compact

design with vibration free operation makes it a practicle

instrument to work with. Low noise and dust generation

levels as well as standard outlet for dust exhauster are

additional advantages.

ø250 mm grinding disc is dynamically balanced for smooth

running. Grinding paper is sucked to the grinding disc which

does not require any glue. Papers with 60 grit can be used to

obtain the desired surface quality. SPECTRAL 250 is equipped

with electronic brake system bringing the motor to a quick full

stop just in seconds after it has been stopped. A safety switch

guarantees automatic switch off when the lid is opened.

Technical Data

Warranty

The SPECTRAL 250 is guaranteed against defective material or

workmanship defects for a period of 12 months from the date

of receipt by the customer or latest 18 months after the

shipping date. The warranty is not valid if inspection shows

evidence of misuse or unauthorized repair. Warranty covers

only replacement of defective materials. If this unit need to be

returned to our factory for service, please contact your

distributor for authorization and include the following details:

Serial Number of the unit, Invoice number and date. Transport

costs belong to the customer.

NOTE

Disabling Safety switch on the SPECTRAL 250

will void warranty.

NOTE

Warranty does not cover the safety switch. Do

not apply excessive force to open the front

door when safety switch is locked. Otherwise,

it can be broken in a short time.

ATTENTION

The equipment is designed to be use with

METKON accessories and consumables. In

case of misuse of equipment, improper

installation, alteration, use of different source

parts, improper repair, METKON will accept NO responsibility

for any damages to the operator or the equipment.

Disassembling of any part should always be performed by a

qualified technician.

Safety Precautions

Read the below instructions carefully before use.

Place the machine on a sturdy and safe table.

The equipment must be installed in compliance with

local safety regulations.

Only use approved METKON accessories and

consumables to achieve max. safety and lifetime.

Follow the instructions and safety regulations when

lifting and carrying the equipment.

While grinding, be careful not to touch the grinding disc.

Do not try to collect a specimen from the working area

while the disc is turning.

Disconnect the electrical connection before servicing the

equipment.

The equipment emits normal noise. However, during

operation, the noise level may become higher. It is

recommended to wear ear protectors.

It is recommended to wear steel toe shoes during

transportation.

Follow the periodically maintenance.

NOTE

METKON Instruments Inc. can make any

changes without notice on the equipment,

accessories, consumables and miscellaneous

products. Consequently; visual or written

information on the instruction manuals,

technical materials, catalogues, website, product videos and

other marketing materials may show inconsistencies and

may be different from the product.

Model

Order No

SPECTRAL 250

80 06

Number of Stations

Wheel Diameter, (mm)

250

Wheel Speed, rpm

2800

Motor Power, kW

1,1

Dust Exhauster

Yes

Paper Adjustment

Vacuum

Dimensions, WxDxH, (cm)

35 x 45 x 33

Weight, (kgs), with cabinet

40 kgs

Mains

230 V, 1-phase, 50 Hz.

INSTALLATION & SET UP

Unpacking & Checking Contents of Package

Carefully unpack and check contents of the package. If any

components are missing or damaged, save the packing list

and materials and advise your distributor and the carrier of

the discrepancy.

Hose Clamp, ø40 mm, 2 pieces

Hex Key, 10 mm, 1 piece

Brush, 1 piece

WARNING

SPECTRAL 250 weights approximately weighs

40 kg and be sure that there are enough people

(at least 2) to safely lift the unit from the

shipping carton. It is recommended to wear

safety shoes during transportation.

ATTENTION

SPECTRAL 250 is bolted to a wood base for

protection during shipping. Remove the bolt

securing the unit to the wood base.

SPECTRAL 250 is only available as bench top.

SPECTRAL 250 should be placed on a sturdy and safe

platform. Please be sure that the platform is large enough

and can stand its weight.

In order to work with equipment comfortably, it is

recommended to leave at least 30 cm space from all side

of the equipment.

You can see the dimensions and weight of SPECTRAL

250 as below:

Dimensions

35 cm

45 cm

33 cm

Weight

Approx. 40 kgs

•Please also be sure that there is enough space for dust

container which supplied with the equipment.

Step by Step Unpacking

If Sent in a Carton Box (Equipment without Cabinet)

Carefully remove the outer stretch wrap, cut the strips

and remove the cover.

Open the box and remove filling materials inside the box.

Remove the box.

Equipment is fixed on the wooden base with bolts. Lift

the equipment from the wooden base by using a lifting

equipment and then carefully remove these bolts.

Carefully remove the protective bubble wrap. Be carefull

not to damage equipment while using a knife. Remove

the protective foam on the touch screen.

Installation and Set-Up

SPECTRAL 250 unit is shipped as already assembled.

Place the unit on a sturdy table with convenient

access to power source.

Make the connection of dust hose between the

instrument and dust tank by fixing the clips.

Place the grinding disc and tighten the fixing bolt by

18 Wrench.

Then close the top cover.

Insert the plug and it is ready for operation.

CAUTION

Follow approved procedures and take all

necessary preventive safety measures when

lifting and installing this equipment. Improper

lifting can result equipment damage.

Locate the SPECTRAL 250 with convenient access to a 1-

phase power source. Be sure to allow a minimum space of 30

cm at the rear of the machine.

Electrical Installation

Before making electrical connections, check that the voltage

and frequency stated on the specification plate correspond to

the local voltage and frequency. Check that the values for the

voltage, is compatible with the intended electrical supply

before installation.

ATTENTION

Connect the unit to the grounded mains

voltage. The SPECTRAL 250 requires a 1-phase

electrical supply and Earth/Ground.

WARNING

Electrical Shock Hazard. A qualified electrical

technician should perform all hard wiring and

electrical maintenance.

Disconnect the power supply before making any

electrical adjustments.

Make sure that the supply voltage and frequency is

correct. Check the values from the machine identification

plate located at the rear of the machine

Voltage / Frequency

Operational

Power Range

Fuse Rating

115 V, 50/60 Hz. 1 ph.

110 - 120 V

6 A (C Type)

230 V, 50/60 Hz. 1 ph.

220 - 240 V

6 A (C Type)

Identification Plate

Connect the equipment to the grounded mains voltage.

Type E or Type F Power cord is supplied with the

equipment.

If you do not have a suitable power socket, in this case

you should supply a suitable power cord.

Length of power cable is 1.8 meters.

Power Cable

Noise Level

Approximately 70 dB is measured at idle running at a distance

of 1 meter from the machine.

CONTROL PANEL

SPECTRAL 250 Control Panel

Control Button Functions

Start

Activates the grinding motor.

Stop

OPERATION

The main switch is at right side of the instrument. START,

STOP and EMERGENCY STOP buttons are on front panel.

START button starts the rotation and the disc will go on

rotating with 2800 rpm fix speed. STOP button stops the

rotation. You can use the EMERGENCY STOP to stop the

instrument immediately for safety. The thermal overload

protector and fuses are at the back of the instruments.

If the motor is overloaded, the overload switch will pop out

and the power to the motor will be cut. After a short period of

time, the overload switch can be reset and motor started

It is recommended to use Sample holders to handle your

specimen due to potential heat increase during grinding.

(Refer to Accessories Section) Fig.3.

Press START.

Grind your sample until you reach the desired flat surface.

And press STOP

Magnetic Sample Holder

ATTENTION

During the operation DO NOT turn off the

equipment directly from the main switch. First

press STOP button and accordingly turn of the

machine from main switch.

In case of emergency, press emergency stop button. The

brake system will be activated for quick disc stop.

SERVICE AND MAINTENANCE

Maintenance

Clean the instrument by a wet cloth so that there are no

particles, residual material etc.

After working process, remove the grinding paper and clean

the grinding bowl completely. Especially clean the limit

switch’s around removing all the residual materials. Check the

dust transport hose and clean the dust tank completely.

Troubleshooting

ERROR

DESCRIPTION

ACTION

Power lamp is off

The main switch is OFF

Turn on the main switch from the

back of the equipment and check the

mains cable.

Fuse blown

Check the fuses located at the back of

the equipment.

The machine does not start

The main switch is OFF

Turn on the main switch from the

back of the equipment and check the

mains cable.

Fuse blown

Check the fuses located at the back of

the equipment.

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