Kemppi HiArc T 180 Manual de usuario

Operating manual

Manual de instrucciones

Manuel d’utilisation

Manual de utilização

Инструкции по эксплуатации

HiArc

T 180

OPERATING MANUAL

English

4Hiarc T 180

CONTENTS

1. Introduction ......................................................................... 5

1.1 General...................................................................................... 5

1.2 About the product ................................................................... 5

2. Before starting..................................................................... 6

2.1 Main components .................................................................... 6

2.2 Distribution network................................................................ 7

2.3 Cable connections.................................................................... 7

2.4 Welding power selection and electrodes ............................... 9

3. Use..........................................................................................10

3.1 Welding processes..................................................................10

3.1.1 Manual Metal Arc welding (MMA) ............................10

3.1.2 TIG welding ................................................................10

3.2 Operating functions...............................................................11

3.3 Welding selections .................................................................12

3.3.1 Welding current regulation and remote control .....12

3.3.2 MMA welding settings ..............................................12

3.3.3 TIG welding function.................................................12

3.4 Setup features.........................................................................13

4. Error codes ..........................................................................14

5. Troubleshooting ...............................................................15

6. Maintenance.......................................................................16

6.1 Daily maintenance .................................................................16

6.2 Disposal...................................................................................16

7. Ordering numbers ...........................................................17

8. Technical data ...................................................................18

5© Kemppi Oy / 1410

1. INTRODUCTION

1.1 General

Congratulations on choosing the HiArc equipment. Used correctly, Kemppi

products can signicantly increase the productivity of your welding, and

provide years of economical service.

This operating manual contains important information on the use,

maintenance and safety of your Kemppi product. The technical

specications of the equipment can be found at the end of the manual.

Please read the manual carefully before using the equipment for the rst

time. For your own safety and that of your working environment, pay

particular attention to the safety instructions included with the package.

For more information on Kemppi products, contact Kemppi Oy, consult an

authorised Kemppi dealer, or visit the Kemppi web site at www.kemppi.com.

The specications presented in this manual are subject to change without

prior notice.

Important notes

Items in the manual that require particular attention in order to minimise

damage and personal harm are indicated with the ’NOTE!’ notation. Read

these sections carefully and follow their instructions.

Disclaimer

While every eort has been made to ensure that the information contained

in this guide is accurate and complete, no liability can be accepted for any

errors or omissions. Kemppi reserves the right to change the specication of

the product described at any time without prior notice. Do not copy, record,

reproduce or transmit the contents of this guide without prior permission

from Kemppi.

1.2 About the product

HiArc T 180 is a compact and robust direct current welding machine suitable

for MMA and TIG welding. Extremely light in weight for its output power, the

machine is easy to carry to the work place with either the inbuilt moulded

carry handle or the shoulder strap provided.

The T 180 model can be used in regular lighting circuits, i.e., in single-phase

electric networks.

6Hiarc T 180

2. BEFORE STARTING

HiArch is packed in purpose made, recyclable packaging. However, always

ensure that the equipment has not been damaged in transportation. Even

so, make sure that all in-transport damage is reported to the machine

supplier. Do not unpack the machine under these circumstances. In addition,

before commissioning, check that you have received all of the items you

ordered along with their operating instructions.

Transportation

The machine should be transported in an upright position.

Environment

The machine is suitable for both indoor and outdoor use. In outdoor use,

protect it from heavy rain and sunshine. Store the machine in a dry and

clean environment and protect it from sand and dust during use and

storage. The recommended operating temperature range is –20 to +40

degrees centigrade.

Site the machine so that it does not come into contact with hot surfaces,

sparks and welding spatter. Make sure the airow to and from the machine

is unrestricted.

2.1 Main components

1.2.

1. Welding torch

2. Earth return cable and clamp

3. Main switch

4. Mains cable

5. Shielding gas hose connector

7© Kemppi Oy / 1410

2.2 Distribution network

All regular electrical devices without special circuits generate harmonic

currents into distribution network. High rates of harmonic current may cause

losses and disturbance to some equipment.

HiArc T 180

WARNING: This equipment does not comply with IEC 61000-3-12. If it is

connected to a public low voltage system, it is the responsibility of the

installer or user of the equipment to ensure, by consultation with the

distribution network operator if necessary, that the equipment may be

connected.

2.3 Cable connections

Connection to mains

The machine is equipped with a 3.3 m supply voltage cable and plug. Plug

the mains cable to a single-phase electric network.

NOTE! Check the fuse size in Technical specications. The plug may

be installed only by electrical contractors and installers specialised in

performing such operations.

If you use an extension power supply cord, its cross sectional area should

be at least as large as the supply voltage cable tted to the machine. The

maximum length for the extension cable is 50 m.

The minimum power of a single-phase machine generator must be 3.5 kVA.

The recommended power is 7.0 kVA for using the machine at maximum

power.

Restrictions on generator type and power may apply in generator use. Fault-

free operation of a three-phase machine also requires a suciently high-

power generator. The power recommendation is more than 15 kVA.

Earth return cable

Connect the earth return cable to the negative pole in MMA welding, and to

the positive pole in TIG welding.

Before you start welding, clean the work piece surface and x the earth

return clamp to the work piece in order to create a closed and interference

free welding circuit.

Welding torch (TIG)

The welding torch is used to supply shielding gas and electrical arc energy

to the weld piece. When you press the welding torch switch, the shielding

gas begins to ow and the arc is established. The TIG torch is connected to

the negative pole.

8Hiarc T 180

Shielding gas

In TIG welding, shielding gas is used to prevent atmospheric contamination

of the molten weld pool and cooling weld. Normally, the shielding gas

is argon (Ar). Normally the gas ow rate is approximately 8–15 litres per

minute, but this can vary according to the welding current used and the size

of gas nozzle.

The machine is delivered with a 4.5 m shielding gas hose. Connect the gas

hose snap connector to the male connector on the machine. The other end

of the gas supply hose should be connected to the outlet of the regulator.

NOTE! Under no circumstances should you connect the hose directly to

the cylinder valve. Always use a regulator and ow meter for safe and

accurate operation.

1. Connect the hose to the reduced pressure side of the cylinder

regulator, or ow meter and tighten the connector.

2. Adjust the shielding gas ow rate with the ow regulation adjustment

screw. A suitable gas ow rate is 8–15 l/min

3. Close the cylinder valve after use.

9© Kemppi Oy / 1410

2.4 Welding power selection and electrodes

TIG welding electrodes and gas nozzles

In DC TIG welding we recommend the use of the WC20 (grey) type electrode,

however other types are available.

The welding electrode size (diameter) is selected depending on the welding

current/power to be used. An electrode with an insucient diameter

compared to the welding current will melt, while excessive electrode size

will make it more dicult to ignite the arc.

In general, a 1.6 mm tungsten electrode will cover currents up to 150 A.

Before use, grind the tungsten electrode to a sharp point at approximately

1.5 times the diameter of the electrode. If the electrode touches the work

piece during welding, re-sharpen the electrode.

MMA welding electrodes

In MMA welding, the welding electrodes must be connected to the correct

pole. Normally, the electrode holder is connected to the positive and the

earth return cable to the negative connector.

It is also important to properly adjust the welding current so that the ller

material and coating will melt properly and the welding is ecient. The table

below presents the electrode sizes available with the HiArc T 180 welding

machine and the corresponding welding current values.

MMA Electrodes and corresponding current settings range

Electrode

diameter

1.6 mm 2.0 mm 2.5 mm 3.25 mm

Fe-Rutile 30-60 A 40-80 A 50-110 A 80-140 A

Fe-Basic 30-55 A 50-80 A 80-110 A 110-140 A

10 Hiarc T 180

3. USE

NOTE! It is forbidden to weld in places where there is a danger of re or

explosion!

3.1 Welding processes

HiArc T 180 is a precise welding tool and will provide high quality results

time after time provided the correct operational procedures are followed.

Welding quality is not only inuenced by the machine itself. Personal

expertise, ancillary equipment and consumables also play an essential role,

as does the correct, fused supply power.

Welding is carried out when an electric arc is established between the

welding electrode and work piece. Welding is not possible unless the

equipment is correctly set-up, including the earth return cable attached to

the work piece. This cable creates the welding circuit that allows the welding

current to ow. Please check that the earthing clamp is on the work piece

and that the contact area of the clamp is clean and free from paint and rust.

3.1.1 Manual Metal Arc welding (MMA)

In manual metal arc welding (MMA) the welding ller material is melted

from the electrode to the weld pool. The rate of the welding current is

selected based on the electrode size used and the welding position. Arc

forms between electrode tip and welding piece. The melting electrode

coating forms gas and slag, which protects the weld pool. Slag solidied

over the weld is removed after welding e.g. with a chipping hammer (use of

eye protection is strongly advised).

3.1.2 TIG welding

In DC TIG welding, the arc between the tungsten electrode and the welding

piece melts the welding piece, thus forming a weld pool. Arc and electrode

are shielded by an inert shielding gas (argon). If necessary, ller is used. Filler

wire is fed into the weld pool from the outside of the arc. The ller wire and

the welding current level are decided according to the base material type

and thickness, joint form and welding position.

(Gas regulator, ow meter and pure argon shielding gas are not provided in

this package.)

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