Uni-Mig KUMJR200AC/DC Manual de usuario

AC/DC TIG/MMA200

Manual

UNI FLAME AUTOLIFT

Machine Model

Description Part Number

AC/DC TIG/MMA 200 KUMJR200AC/DC

CONTENTS PAGE No:

Safety 2

General Description 4

Curcuit Diagram 5

Main Parameter 6

Pre-operation Check 7

Installation & Operation 8

Pre-Caution 14

Machine Parts 15

Maintenance 16

Troubleshooting 16

Machine Model

UNI FLAME AUTOLIFT

UNIMIG pursue a policy of continuous research and development, and therefore

reserve the right to change the specifications, or design, without prior notice. *2 year warranty power source.

YEARS Warranty*

This welding equipment for industrial and professional use

conforms to IEC 60974 International Safety Standard.

We hereby state that we provide two years of guarantee for

this welding equipment from the date of purchase.

Please read and understand this instruction manual

carefully before the installation and operation of this

equipment.

The contents of this manual may be revised without prior

notice and without obligation.

This instruction manual is issued on 1st Mar 2007.

•Do not switch the function modes while the machine is operating.

Switching of the function modes during welding can damage the machine.

Damage caused in this manner will not be covered under warranty.

•Disconnect the electrode-holder cable from the machine before switching on the

machine, to avoid arcing should the electrode be in contact with the work piece.

•Asafety switch is necessary to prevent the equipment from electric leakage.

•Welding tools and accessories should be of high quality and in good working order.

•Operators should be trained and or qualiﬁed. Electric shock: It can kill.

•Connect the primary input cable according toAustralian standard regulation.

•Avoid all contact with live electrical parts of the welding circuit, electrodes and wires with

bare hands. The operator must wear dry welding gloves while he/she performs the

welding task.

•The operator should keep the work piece insulated from

himself/herself. Smoke and gas generated whilst welding

or cutting can be harmful to people’s health.

•Avoid breathing the smoke and gas generated whilst

welding or cutting. Keep the working area well ventilated.

•Arc rays are harmful to people’s eyes and skin. Always

wear a welding helmet and suitable protective

clothing including welding gloves whilst the welding

operation is performed.

•Measures should be taken to protect people in or near

the surrounding working area, from all hazards

associated with welding.

Fire hazard

•The welding sparks may cause ﬁre, therfore remove

ﬂammable material away from the working area.

•Have a ﬁre extinguisher nearby, and have a trained

person ready to use it.

Noise: possibly harmful to people’s hearing.

•Noise is generated while welding/cutting, wear approved

hearing protection when noise levels are high.

Machine fault:

•Consult this instruction manual.

•Contact your local dealer or supplier for further advice.

SAFETY

Welding and cutting equipment can be dangerous to both the operator and people in or near the

surrounding working area, if the equipment is not correctly operated. Equipment must only be

used under the strict and comprehensive observance of all relevant safety regulations. Please

read and understand this instruction manual carefully before the installation and use/operation

of this equipment.



*** CAUTION ***

Do not heat, cut or weld tanks, drums or containers

until the proper steps have been taken to insure that

such procedures will not cause ﬂammable or toxic

vapours from substance inside. These can cause

an explosion even though the vessel has been

“cleaned”.Vent hollow castings or containers before

heating, cutting or welding. They may explode.

UNI FLAME AUTOLIFT

These are a newly developed TIGAC/DC P range ofAC/DC and Pulse Welding

Machines. DC function allows the welding of stainless steel, alloy steel and carbon steel

and other nonferrous metals. AC function allows the welding aluminum and aluminum

alloys.

The machine is equipped with Pulse function, selection of the pulse function provides

adjustable pulsation of the welding current. Therefore providing better control of the

welding and control of the heat input to the work piece during some applications.

The power exchange rates of this welding equipment are over 85, and it is

energy-saving.

The model type available is TIG 200PAC/DC.

The development of Inverter technology of welding machines has many beneﬁts.

The invention of high power switching components enables these TIG welding

machines to function with HF of 100KHz, thus reducing the volume and weight of the

main components (transformers and electric reactor). The application of PWM (Pulse

Width Modulation) technology enables the concentration and stability of the welding

current and much more precision of the current adjustment. The unique structuring

design enables ease in the disassembly and maintenance of this welding equipment

and maximizes the EMI.

Exclusive HF Inverter technology, TIG ACDC P series provides many advantages

in comparison to the traditional welding equipment. Smaller in size, lighter in weight,

higher power efﬁciency rate and more energy saving.The most outstanding feature is

the application of Twin Square Wave Inverter Technology.

This provides pure AC square wave output, which increases the arc stability and

provides stronger arc energy, better reverse cleaning capability, wider cleaning width,

and superior arc sustainability. The excellent welding characteristics of this welding

equipment provide a new dimension to welding of aluminum and aluminum alloys.

A remote foot control pedal is available to provide easy adjustment of the output cur-

rent range. Use of the foot control pedal allows the operator variable control over the

output current range during welding. Using the remote foot control can improve welding

efﬁciency and welding performance.

A range of necessary welding accessories such as welding torch, earth lead, arc lead,

gas lead, gas regulator, and other accessory items are available for this Inverter TIG

AC/DC welding equipment. Please contact your supplier / agent for advice and

recommendation of accessory items.

GENERAL DESCRIPTION & SAFEGUARDS

UNI FLAME AUTOLIFT

CIRCUIT DIAGRAM

Three Phase Input

Machine Model

Description Part Number

TIG200PAC/DC KUMJR200AC/DC

Tecnical Speciﬁcation

MAIN PARAMETER

Power voltage AC240V±15%

Input Frequency (Hz) 50/60

Rated Maximium Supply current MMAI1max 24A

Maximum Effective Supply current MMAI1eff 17A

Rated Maximium Supply current TIGI1max 20.7A

Maximum Effective Supply current TIGI1eff 14.6A

Power rating 5.8 KVA

Rated output current 185A

Range of output current 10-185A

Arc force % 0-100

No-load voltage 56V

Working voltage TIG 10.4 - 17.4V

Pre-ﬂow % 0-2

AC Balance/Clean width % 20-80

Slope-down time 0-10

Post-ﬂow time 0-10

Base current % 10-90

Pulse frequency Hz 0.5-300

Pulse duty cycle % 10-90

Remote control Yes

Arc Ignition HF ignition

Efﬁciency % 85

Load duty cycle TIG % 185A-20% (40oC)

Power factor 0.93

Insulation class F

Protection class IP21S

Weight (Kgs) 26.5

Size (mm) 500 L×320 W×365 D

UNI FLAME AUTOLIFT

Pre-Operative Check List

1) The welding machine has automatic compensation for primary input voltage

ﬂuctuation. The welding machine will still operate within +/- 15% of the required

primary voltage input. Please check the primary input voltage supply before

connecting the machine. Connection to incorrect primary voltage supply may

damage the machine. Warning ! : Connection to incorrect primary voltage supply

will void warranty.

2) The cross sectional area of the primary lead is important. It is necessary to provide

the correct cross sectional area of cable when using long extension leads.

To avoid any machine operational faults when using long extension leads please

ensure the recommended length and across sectional area of cable are optimal.

3) Check that you have adequate Argon gas supply. Connect the machine to the gas

supply and check for leaks.

4) Connect input and output cable as following drawing.

5) The welding operation is obtainable only if the above procedures are completed.

1.Connection of Input Cables

Primary input cable is supplied with this welding equipment. Connect the primary input

cable with power supply of required input voltage. Refer to data plate on machine for

Input voltage, IMAX and IEFF.

2.Connection of Output Cables

2a.Connect the three connectors of the Tig Torch cable assembly as follows: 2 Pin Plug

of trigger switch cable into the receptacle. Connect the gas lead ﬁtting to the

”GAS” connection, then connect the power cable twist lock connector to negative “-”

terminal socket on the front panel of the machine and fasten it tightly in a clockwise di-

rection. Ensure all connectors are tight and fastened correctly according to the drawing.

2b. Connect the twist lock connector of the earth cable to positive “+” terminal socket

on the front panel of the machine and fasten it tightly in a clockwise direction. Connect

the earth clamp to the work piece.

2c.Remote Foot Control Option: For connection of the remote foot control pedal,

connect the 2 pin plug to the connector and the 3 pin plug to the connector

on the front panel of the machine.

UNI FLAME AUTOLIFT

INSTALLATION & OPERATION

UNI FLAME AUTOLIFT

INSTALLATION & OPERATION

Selector Switches.

3. Main switch:

The power switch turns the machine on and off.

4. AC/DC Selector Switch.

Select “ARC” for MMA welding

Select “TIG” for Tig welding.

5. AC/DC Selector Switch.

Select “AC” for Aluminum and Aluminum Alloys.

Select “DC” for Stainless Steel, Steel, and Cast Iron etc.

6. 2T / 4T Selector Switch.

Selection of“2T”provides 2 times function of the torch switch.

(1) Pressing the torch switch provides arc ignition and initializes the

welding current.

(2) Releasing the torch switch introduces down slope time to minimum

current level and then terminates the welding current and introduces the

post ﬂow gas.Selection of“4T”provides 4 times function of the torch switch.

(1) Pressing the torch switch provides arc ignition and initializes the

welding current.

(2) Releasing the torch switch continues the welding operation.

(3) Pressing the torch switch introduces down slope and current falls to base

current level.

(4) Releasing the torch switch terminates the welding operation and introduces

the post ﬂow gas.

7. PULSE Selector Switch.

(Available only on “P” Models)

Selection of the Pulse mode switch provides pulsed welding current output.

LED Indicator Lights

8. Thermal Overload Indicator.

To prevent damage of internal components due to overheating and or exceeding

the duty cycle a Thermal Overload will activate causing the LED to light up and

welding to terminate. Do not turn off the machine; the fan will assist it to recover

after 2 or 3 minutes and return it to operational temperature level.

9. Indicator of abnormal operation.

If the machine has an abnormal operation,such as touching the electrode to the

workpiece when welding will result in the LED light, lighting up. Turn off the power

supply and restart the machine to see if it’s normal again; if not, please return

machine for service.

10. Digital meter.

Indicates the welding current output.

UNI FLAME AUTOLIFT

1.Connection of Input Cables

11. Pre-ﬂow Gas Timer:

Provides pre-ﬂow gas to purge tig torch

gas line prior to the initialization of the arc.

Adjustment is 0-2sec.

12. Welding Current Control:

For adjustment and setting of the main

welding current.

13. Base Current Control:

(Available Pulse Model Only) For the

adjustment and setting of the base current

in Pulse mode.

The set value is a percentage of the main

welding current.

14. Down Slope Control:

Approaching the end of the weld time the

welding current can be reduced gradually

until it stops, this prevents craters and pin

holes and is referred to as “down slope”.

This dial is for the adjustment and setting

of the down slope time.

Adjustment is 0-10sec.

Note: When using the remote foot control

set the dial to “0”.

15.Arc Force Control:

(Available Pulse Model Only). Applies

only in MMA mode. This dial adjusts the

characteristic of the welding arc from

forceful arc at maximum to soft arc at

minimum.

16.Pulse Frequency Control:

(Available Pulse Model Only). This dial is

for the adjustment and setting of the pulse

frequency when the machine is set in

Pulse mode.

Adjustment is 0.5-300Hz.

17. Pulse Width:

(Available Pulse Model Only). This dial

is for the adjustment and setting of the

on time of the peak current (pulse width)

when the machine is set in Pulse mode.

Adjustment is 10% – 90%.

18. AC Balance Control:

In AC TIG welding, the current exchanges

between positive and negative directions.

When current ﬂow is from tungsten to

work piece it is in a positive (+) direction,

the arc energy is stronger at the tungsten

and is good for removing the oxidized sur-

face of the work piece. However too much

+ current ﬂow can drive too much energy

to the tungsten causing it to overheat and

melt the tungsten electrode.

When the current ﬂow is from work piece

tungsten it is in a negative (-) direction,

the arc energy is greater at the work

piece providing better penetration and the

tungsten heats up less. The arc stability

is good and ideal for most AC welding

situations.

The dial is for adjusting the current ﬂow

time

between positive and negative. When set

at the

middle the proportion is 50%. When set

at the maximum it is 80% and at the mini-

mum it is 20%. Adjusted in a clockwise

direction, the positive

current ﬂow time is longer and negative

ﬂow is less, and vice versa.

19. Post Flow Gas Timer:

This dial provides an after ﬂow of gas

when the welding arc is extinguished.

Post ﬂow gas prevents contamination of

the molten pool and tungsten

electrode during cool down cycle.

Adjustment 0-10sec.

INSTALLATION & OPERATION

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