Koike IK-72T W2 User manual

Portable Automatic Welding Carriage for fillet welding
T89002425
IK-72T W2
OPERATION
MANUAL
KOIKE ENGINEERING TANGSHAN CO.,LTD.
For every person who will be engaged in
operation and maintenance supervision, It is
recommended to read through this manual
before any operations, so as to permit
optimum operation of this machine.

IK-72T W2
INTRODUCTION
Thank you very much for purchasing this product. Read this instruction
manual thoroughly to ensure correct, safe and effective use of the machine.
Read the manual first to understand how to operate and maintain the machine.
Cooperation between colleagues in the workplace is essential for safe,
smooth operation.
Make sure you read, understand and take all the necessary safety
precautions.
SAFETY PRECAUTIONS
This product is designed to be safe, but it can cause serious accidents if not operated
correctly. Those who operate and repair this machine must read this manual
thoroughly before operating, inspecting and maintaining the machine. Keep the
manual near the machine so that anyone who operates the machine can refer to it if
necessary.
■Do not use the machine carelessly without following the instructions in the manual.
■Do not use the machine until you have thoroughly understood the explanations in the manual.
■For safety, leave the installation, maintenance, inspection, and repair of the machine to a trained person
who has thorough knowledge about welding machines or to a qualified operator.
■For safety, leave the operation of the machine to a person with complete knowledge of the instruction
manual and sufficient skill.
■For safety education, make use of respective lecture meetings sponsored by the Welding Society and
Welding Association, as well as by headquarters and branches of related scientific societies and
associations. Make use of qualification tests for welding engineers and welding technicians as well.
■After reading the manual, keep It together with the warranty within reach of people concerned. Read the
manual again as necessary.
■Contact our dealers or our branch office, sales office, or local office for any obscure points.
■When this manual is lost or damaged, place an order promptly with our dealer for another copy.
■When transferring the machine, be sure to attach the instruction manual to the machine to transfer it to
the nest owner.
QUALIFICATIONS FOR MACHINE OPERATOR
Operators and repair staff of this machine must completely understand the contents
of the instruction manual and they must be qualified and educated to handle this
equipment.

IK-72T W2
Symbol
Title
Meaning
General
General caution, warning, and danger.
Be careful not to get your
fingers caught.
Possible injury to fingers if caught in the insertion
part.
Caution: Electric shock!
Possible electric shock under special conditions.
Ground this equipment.
Operators must ground the equipment using the
safety grounding terminal.
Pull out the power plug
from the outlet.
Operators must unplug the power plug from the
outlet when a failure occurs or when there is a
danger of lightning.
Caution against bursting
Possible bursting under certain conditions.
General
General warning.
Caution: Hot!
Possible injury due to high temperature under
certain conditions.
Caution: Ignition!
Possible ignition under certain conditions.
Caution: Magnet
Generating a magnetic field and magnetic waves.
Wear light shielding
goggles.
Be sure to wear light shielding goggle when
looking at welding arcs.
Wear dust/gas mask.
Wear a mask when dust, smoke, or gas is to be
generated during work.
Do not lift.
Lifting the carriage is prohibited to prevent an
accident due to falling.

- 1 -
CONTENTS
1 Safety information...................................................................................................................................- 2 -
2 Safety precautions..................................................................................................................................- 3 -
3 Equipment outline................................................................................................................................... - 8 -
4 Features and specifications.............................................................................................................. - 9 -
4.1 Features...................................................................................................................................................... - 9 -
4.2 Configuration............................................................................................................................................. - 9 -
4.3 Specifications........................................................................................................................................... - 10 -
5 Method of operation.............................................................................................................................- 11 -
5.1 Operation panel........................................................................................................................................ - 12 -
5.1.1 Explanation about operation Unit functions.................................................................................- 13 -
5.1.2 Regarding SELECT SWITCH......................................................................................................- 15 -
5.1.3 Metric, Inch switch over method.................................................................................................. - 22 -
5.1.4 Weaving tack/stitch running motion pattern diagram...................................................................- 22 -
5.1.5 Weaving movement time chart..................................................................................................... - 25 -
5.1.6 tack/stitch running motion Time chart..........................................................................................- 26 -
6 Preparation Operation........................................................................................................................ - 28 -
6.1 Contents of package..............................................................................................................................- 28 -
6.2 Machine Assembly...................................................................................................................................- 28 -
6.3 Trouble and corrective measures............................................................................................................. - 29 -
7 Welding operation..................................................................................................................................- 31 -
7.1 Preparation and procedure for welding....................................................................................................- 31 -
7.2 System connection diagram.................................................................................................................. - 32 -
7.3 Applicable welding machine and signal adaptor.................................................................................. - 33 -
7.4 Operational precautions........................................................................................................................ - 33 -
8 Maintenance.............................................................................................................................................- 33 -
8.1 Maintenance and inspection.....................................................................................................................- 34 -
8.1.2 Monthly inspection....................................................................................................................... - 34 -
8.2 Recommended spare parts....................................................................................................................... - 35 -
8.3 Maintenance and inspection.....................................................................................................................- 35 -
8.4 Warranty................................................................................................................................................... - 38 -
9 Wiring diagram........................................................................................................................................- 39 -
10 Assembly drawing of IK-72T W2................................................................................................ - 40 -
11、Part List....................................................................................................................................................- 41 -
11.1 Main and Driving units.......................................................................................................................... - 41 -
11.2 Torch holder........................................................................................................................................... - 43 -
11.3 Limiting device...................................................................................................................................... - 45 -

- 2 -
1 Safety information
Most accidents are caused by negligence of basic safety regulations during operation, inspection,
and maintenance. Carefully read, understand, and master the safety precautions and preventive
measures written in this manual or on the machine before operation, inspection, and maintenance
of the machine.
■Carefully read thin manual before use.
■Conduct installation of motive power source on the primary side, select the location of installation,
store high-pressure gas. install pipes, store products after welding, and dispose of waste in
conformity with laws and your in-house regulations.
■Precautions are provided In this manual for safe operation of the machine and prevention of injury
to you or other people or other damage.
■Improper handling of the machine will cause injury or damage at various levels. The levels are
classified into three categories, which are represented by respective caution symbols and signal
terms to call people's attention. These symbols and terms are used in the same way on the
warning labels stuck to the machine.
Caution symbol
Signal terms
Definition of terms
DANGER
Improper handling Is very likely to cause death or serious
injury.
WARNING
Improper handling can cause death or serious injury.
CAUTION
Improper handling can cause injury or physical damage.
It is also used to point out dangerous habitual action.
Notice sign
The notice sign notifies machine operators and maintenance
men of precautions as to parts of the machine or peripheral
equipment that will lead to breakdown.
The serious injury mentioned above refers to loss of eyesight, injury, burns (high/medium
temperature), electric shock, bone fracture, poisoning which leave an aftereffect or require
hospitalization or regular treatment at a hospital far an extended period of time. The injury refers to a
wound, burn, or electric shock which do not need hospitalization or regular treatment at a hospital
for an extended period of time. The physical damage refers to damage to assets and extensive loss
due to damage to the machine.

IK-72T W2
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2 Safety precautions
WARNING
Strictly observe the following to prevent accidents resulting in serious injury or death.
■This welding machine is designed and manufactured by taking safety into
consideration. However, never fail to observe the warning and precautions
described in this instruction manual, otherwise accidents leading to serious
injuly or death can result.
■Keep people out of the space around the welding machine and working area.
■The welding machine generates a magnetic field around itself. Such a magnetic
field affects certain types of sensors and clocks. For the same reason, any
person who have a pacemaker in his heart shall not approach the welding
machine in operation or the welding space unless he has obtained doctor's
permission.
■For safety, leave the installation, maintenance, inspection, and repair of the
machine to a person who has thorough knowledge about welding machines or
to a quafified operator.
■For safety, leave the operation of the machine to a person with complete
knowledge of the instruction manual end sufficient skill.
■Do not use this machine for any purpose other than arc welding described in the
instruction manual.
■Do not remodel the machine.
■Check the safety around the machine before operation to prevent accidents.
■Be sure to hold the handle when carrying the machine.
■Wear leather gauntlets when touching the machine during welding or right after
operation.
Do not touch the welded surface antil it has cooled.
WARNING
Strictly observe the following to prevent electric shock.
■Do not touch the charged section; otherwise fatal electric shock or burns can
result. When the power on the input side is turned on, the Input circuit and the
inside of the welding machine are charged. Even if the input power is turned off,
the capacitor may have been charged. When the welding power is output, the
electrode and base metal, as well as the metal portion in contact with these, are
charged.
■Never touch charged sections.
■The welding power supply case and base metal, as well as jigs electrically
connected to them, shall be grounded in conformity with the law (Technical
Standard for Electric Equipment) by a qualified electric engineer.
■Turn off all power supplies on the input side by means of switches in the switch
boxes before installation, maintenance, and inspection. The capacitor will not
discharge completely right after the input power is turned off. Check that no
vohage is remaining before maintenance or inspection.
■Periodically conduct maintenance and inspection. Repair damaged parts before

IK-72T W2
- 4 -
resuming operation.
■Do not use cables with Insufflcient capacity or damaged cables whose
conductors are exposed.
■firmly tighten and insulate cable connections.
■Firmly connect the welding cable on the base metal side at a location as close as
possible to the base metal.
■Do not use the machine with the welding machine case or coser removed.
■Be sure to cover the input and output terminals before use.
■Do not use broken or wet gauntlets.
■Never fail to use a life-line when working in high places.
■Turn oft power switches of all devices and input-side power supply when the
machine is not used.
■Do not wear wet clothes.
■Do not stand on or touch the wet floor.
■Do not use the machine outdoors when it is raining.
■Do not leave the machine outdoors after use.
■Be sure to install a fuse or breaker on the input power supply side.
■Check the supply voltage of the machine before use.
The tolerance for the input supply voltage is plus or minus 10% of the rating.
Use of the machine out of the folerance is prohibited.
■The metal receptacle (plug) on the tough-rubber sheath cable is threaded.
Tighten it firmly.
■Be sure to ground the tough-rubber sheath cable of the machine.
■Turn off the power and stop operation in the following cases, and ask an
engineer with special knowledge of electricity to repair.
*Broken or worn-out cables
*Damage due to water leakage or other liquid
*Malfunction of the machine inspire of operation in conformity with the
instruction manual.
*Breakdown of the machine.
*Abnormal performance of the machine which requires tune-up.
■Ask an engineer with expertise to maintain, inspect, or repair the machire.
■Please make sure that any foreign material does not attach to the connector of
the machine nor to the plug of the power cable when the plug of the power
cable is connected to the machine.
Foreign materials can cause short-circuits or melt the connector.
■In case if you get connected WU-5R, make sure to Turn Off the Power.
Caution: When the power is on if it gets connected there is a possibility of failure.

IK-72T W2
- 5 -
CAUTION
Use protective gear to protect you and others from arc light, scattered spatters/slugs,
and noise.
■The arc light includes harmful ultraviolet rays and infrared rays, causing
Inflammation of eyes or burns.
■Scattered spatters and slugs can damage your eyes and cause burns.
■Noise can cause hearing difficulties.
■Wear light-shielding goggles or hand shield, which blocks light sufficiently, for
welding operation or monitoring welding.
■Wear protective goggles to protect your eyes from spatters and slugs.
■Install a protective curtain around the welding site so that arc light will not reach
the eyes of people around the site.
■Wear protective gear such as leather gauntlets. clothes with long-sleeves, leg
cover, leather apron, helmet, and safety shoes.
■When the noise level is high, wear a noise-proofing protector.
CAUTION
Use protective gear to protect you and others from fumes and gas generated by
welding.
■Welding generates fumes and gas. Inhalation of such fumes and gas can
damage your health.
■Welding operation in a smell space causes deficiency of oxygen, which is very
likely to cause suffocation.
■To prevent gas poisoning and suffocation, use the local waste disposal facilities
stipulated by the law (lndustriat Safety and Health Law snd Regulations to
Prevent Damage due to Dust) or use an effective inhaler.
■When the welding space is small, ventilate the space sufficiently or wear an
inhaler. Have a trained watchman monitor welding.
■Welding operafion near places where degreasing, washing, or opraying is
conducted may lead to generation of harmful gas. Do not conduct welding near
such places.
■Welding zinc plated steel sheets or other coated steel sheets will generate
harmful fumes. Remove the coating before welding, or wear an inhaler before
operation.
■Noise is less than 70 dB.

IK-72T W2
- 6 -
CAUTION
Strictly observe the following to prevent gas cylinders from falling or bursting.
■Gas cylinders, when they fall, can cause accidents leading to death or injury.
■High-pressure gas is contained in gas cylinders. Improper handling of gas
cylinders can cause a burst or emission of high-pressure gas, causing accidents
that lead to death or injury.
■Handle gas cylinders in conformity with the law (High Pressure Gas Control
Law).
■Do not expose gas cylinders to high temperatures.
■Set gas cylinders in a special cylinder stands to prevent the gas cylinders from
falling.
■Never generate arcs on gas cylinders. Do not hook the welding torch on gas
cylinders, or do not allow electrode to touch gas cylinders.
■Do not bring your head close to the discharge port when opening the valve on
the gas cylinder.
■Attach a protective cap to gas cylinders when they are kept unused.
■Use a gas flow rate contgear made or recommended by a welding machine
manufacture.
■Read the instruction manual for the gas flow rate contgear before use, and
strictry observe the precautions.
■Never use a gas cylinder from which gas is leaking or a broken gas cylinder.
■Use gas cylinders only for specified purposes.
■DO not apply oil or grease to the valve on gas cylinders.
■When the valve on gas cylinders is hard to open, contact the dealer.
CAUTION
Strictly observe the following to prevent injury due to rotary section.
■Do not bring your hands, hair, or clothes close to the cooling fan of the welding
power supply or the feeder gear of the wire feeder; otherwise you can be caught
in them.
■Do not bring your head near the end of the welding torch during wire inching;
otherwise the wire may stick in your eyes.
■When the spool of wire is released, you can get hurt.
■Do not use the welding machine with its case or cover removed.
■Ask a trained person who has thorough knowledge of welding machines or a
qualified person to remove the case for maintenance, inspection, or repair.
Install a protective fence around the welding machine to prevent people from
getting near carelessly.
■DO not bring your hand, fingers, hair, or clothes close to the rotating cooling fan
or the gear of the feeder.
■Do not bring your head near the end of the welding torch during wire inching.
■Secure the end of the wire with the wire stopper on the spool when storing or
moving the spool of wire or when setting it in the wire feeder.
■When inserting the spool of wire into the wire guide on the wire feeder, firmly
hold the wire so that it will not be released.

IK-72T W2
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CAUTION
Strictly observe the following to prevent fire, explosion, or burst.
■Spatters and hot base metal right after welding can cause tire.
■Imperfect connection of cables or imperfect contact on the route of the electric
current on the steel bar and other base metal can cause fire because of heating
due to resistance.
■Arcs generated on the container of gasoline or other inflammables can cause
explosion.
■welding of sealed tanks or pipes can cause bursts.
■Do not do welding in a place where scattered spatters will be in contact with
inflammables.
■Do not do welding in a place near inflammable gas.
■Do not bring hot base metal right after welding close to inflammables.
■Welding on ceilings, floors, an walls may cause fire on the hidden side. Remove
inflammables from the hidden side.
■Firmly tighten cable connections, and firmly connect the welding cable on the
base metal side at a location as close as possible to the base metal.
■Do not weld gas pipes filled with gas.
■Do not weld sealed tanks or pipes.
■Provide a fire extinguisher near the welding place to prepare for the worst.
■Do not weld a container that has inflammables inside.
■Do not have a lighter, matches, or other inflammables with you during welding.

IK-72T W2
- 8 -
3 Equipment outline
The outline dimensions of the equipment are as follows

IK-72T W2
- 9 -
4 Features and specifications
4.1 Features
This machine ‘IK-72T W2’is a welding carriage equipped with a weaving unit WU-5R.
Vertical and horizontal weaving welding is enabled by simple operation.
1. Compact, Light weight, Durable and Low gravity.
2. The high-quality track （1D/3D）greatly improves the reliability and traction of the equipment, thus
ensuring the driving stability.
3. It is able to operate plural machine by improved tracing reliability and automatic stopping function.
4. Can change weaving condition (swing speed, amplitude, stop time, origin position) of welding.
5. With the adoption of SELECT SWITCH with an emphasis on usability from the sheet switch,
operation can be easily carried out.
6. By the origin position adjustment function, the origin alignment can be easily carried out.
7. Forward angle, back angle adjustment can be done.
8. While weaving welding, tack/stitch running can be done.
9. Because of the IK-72T installation mode, the change of receiving and placing can be realized by
one-touch operation.
10. Install the motor with encoder to improve the accuracy of running speed..
11. By pressing the Limit switch while stopping of carriage, carriage moves at constant speed and it
becomes easy to align.
The above features are expected to exhibit their effects in terms of "welding efficiency" and
"operation by unskilled workers."
4.2 Configuration of IK-72T-W2
1. Main unit 1set
2. Control cable 1pc
3. WU-5R weaving unit 1set
4. Exclusive use welding torch (option) 1set
5. 1D ・3D track made in KOIKE ENGINEERING TANGSHAN (option) 1set
6. 2D track made in KOIKE SANSO JAPAN (option) 1set
7. Accessories
Hexagon wrench (M6/M5) 1pc each
Operation manua 1set

IK-72T W2
- 10 -
4.3 Specifications
Item
Specifications
Model
IK-72T W2
Input power supply
AC100-240V ±10%
Weight
10kg
Carriage dimensions
L295×W218×H327mm(Includes torch holder)
L11.6×W8.58×H12.87inch(Includes torch holder)
Speed control
Dial operation
Cutting speed
150–700 mm/min
Cutting thickness
5–30 mm (by standard accessories cutting tip)
Bevel angle
0–45 degree
Minimum radius of curve
2,000 mm (for three-dimensional rail)
2,500 mm (for two-dimensional rail)
Torch holder
For direct torch
For curved torch

IK-72T W2
- 11 -
5 Method of operation
WARNING
Kindly take care about following things to avoid getting an electric
shock.
Kindly remove input plug from outlet while checking, dis-assembling or
repairing and turn OFF the control source while leaving. If it is necessary to
carry out checking in the energized state, professional engineer having
enough knowledge and skill about electric handling should go since there is
risk of short circuit, getting electric shock.
Do not use welding equipment without case or cover.
Kindly use power outlet with earth pin outlet since input plug has earth pin. It is connected to
main body of carriage in operation panel.
Kindly use input voltage within ±10%for power supply input to input plug (Kindly use input
voltage in the range of AC100V~AC240V)
There is risk of short circuit due to failure of printed board on operation panel.
In case of crack in insulation cover of power cable and torch cable, do not expose it to high
temperature. There is risk of short circuit due to tearing of insulation covering.
Kindly weld below the rated current and usage rate of torch to prevent dielectric breakdown due
to overheating.
Kindly place power cable and torch cable in proper manner so that they are not stretched or
pulled. There is possibility of breakage of insulation by damaging holding part and connector
part due to pulling.
Do not throw or drop main body of carriage. There is risk of damaging insulation by breaking.
While connecting to power cable plug to main body, kindly connect after verifying that foreign
object is not touching to connector of main body, power cable plug .There is risk of connector
erosion due to short circuit by foreign object.
WARNING
Strictly observe the following to prevent burns.
■Never directly touch the torch nozzle, tip, orifice, insulation cylinder, and the
surface of the carriage which are very hot right after welding.
WARNING
Kindly take care about following things to avoid falling off of carriage
Do not lift the carriage by holding its Handle. There is risk of falling off
carriage while holding carriage by handle, if there is shock impact at
carriage or if mounting screw of handle is loose.

IK-72T W2
- 12 -
5.1 Operation panel
WARNING
Kindly take care about following things to avoid getting an electric
shock.
■Kindly remove input plug from outlet while checking, dis-assembling or
repairing and turn OFF the control source while leaving. If it is necessary
to carry out checking in the energized state, professional engineer having
enough knowledge and skill about electric handling should go since there
is risk of short circuit, getting electric shock.
■Do not use welding equipment without case or cover.
■Kindly use power outlet with earth pin outlet since input plug has earth pin. It is connected to
main body of carriage in operation panel.
■Kindly use input voltage within ±10%for power supply input to input plug (AC 100-240V)
There is risk of short circuit due to failure of printed board on operation panel.
■In case of crack in insulation cover of power cable and torch cable, do not expose it to high
temperature. There is risk of short circuit due to tearing of insulation covering.
■Kindly place power cable and torch cable in proper manner so that they are not stretched or
pulled. There is possibility of breakage of insulation by damaging holding part and connector
part due to pulling.
■Never fail to turn OFF the power switch (1) before attaching or detaching the receptacle.
■When you remove the plug, put rubber cap on the receptacle to prevent dust and dirt.
■When you found dust and dirt in the receptacle, remove these before connecting electric power
cable plug.
Fig 1 Operation panel
V3.33

IK-72T W2
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5.1.1 Explanation about operation Unit functions
Display
Name
Function
START/STOP
Button
It is used at the time of start/stop of travelling of carriage. Moreover, there are
cases where this function is used to set parameters
※When an error occurs, the error display is reset when you press the
START / STOP switch . However , error if there is still cause of the error
occurs again . Check each error Solution , please remove the cause .
Arc changing
over switch
There can be 3 modes of changing over in 3 point changing over switch
as shown below.
MANUAL : Kindly use it in wire inching and arc test. Wire comes out only
while switch is on MANUAL.
Kindly take care as Arc is generated if torch end is touching
welding material.
ARC ON : Kindly use this position in normal welding operation.
carriage starts traveling automatically after start of
welding by pressing START/STOP button.
ARC OFF : Only traveling of carriage is possible without welding
operation by pressing START/STOP button at this position. Further it is
used to change welding distance, preliminary feeding distance, welding
return distance during traveling of Tack carriage (For details, refer to
page 22)
Please do not press the START / STOP button
while you are down to MANUAL side .
●Press the START / STOP button while you are down to MANUAL
side , and back to the ARC ON continues to output the arc signal ,
and then traveling trolley and to ARC OFF.
Again , the running of the arc output and the truck and press the
START / STOP button will stop . Please be when subjected to the
above-mentioned operation and restart to turn OFF the power once .
SELECT
SWITCH
It is used for selecting each parameter and traveling mode.
Kindly verify 5.1.2 Regarding SELECT SWITCH for each parameter.
DATA DIAL
It is used in setting carriage travelling speed and each parameter.
It increases the value at clockwise rotation and decreases at
anti-clockwise rotation.
Moreover, it outgrows increase/decrease of value at swift rotation.
Digital Meter
It displays carriage travelling speed or value of each parameter.
Operation status of carriage can be known from LED display of digital
meter.
RDY : It turns ON when electric supply of carriage is ON.
WEL : It turns ON when welding signal is displayed while carriage is
travelling.
BSY : It turns ON during carriage is operating regardless of display/non
display of welding signal.
ARC : It turns ON at option of MANUAL, ARCON in (5) arc mode
changing over switch.
ERR : It turns ON at generation of operation error. At this time
corresponding error number of error content is displayed on digital
display
LED
Caution

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<Regarding Error number>
Error number
Error contents
Dealing method
Encoder line
Connection error
Please confirm whether an encoder line isn’t connected to
MD-CN10.
If it is connected, connect it to MD-CN5.
Motor deviation over error
Kindly verify whether there is load on motor or motor DC line or
encoder line is slipping off. If line is slipping/ coming off, kindly
connect motor DC line to MD-CN4 and encoder line to MD-CN5.
Welding signal detection error
Kindly verify welding current (delivery device) connection (check
whether welding current is turned OFF or check whether power
supply cable is disconnected or whether signal connector is
slipped out/fall off)
Welding signal inverse
detection error
Please make sure crater settings match in contact power supply
side and the truck side.
When welding distance is 0
during TACK/STITCH
operation
Kindly set welding distance at more than 1mm or 0.1inch.
Motor overload error
Please make sure the load is not applied to the motor.
Truck backup error
（parameter）
Please make sure the truck and the WU-5R is not OFF the
power while fine-tuning move in operation or limit switch . After
the change if you want to back up the parameters , please OFF
the power to the truck is stopped . After the error occurs, it
returns to the parameters of the time that was backed up to the
one before .
parameter：Parameters that can be arbitrarily set change
system parameter：Internal parameters that can not be arbitrarily
set change
Truck backup err
（system parameter）
In error return method, kindly turn OFF the power supply by removing power cable plug from
operation panel and then after verifying as per above mentioned dealing method, kindly insert
the plug in operation panel and turn ON electric supply.
When an error occurs , the error display is reset when you press the START / STOP button ,
and after checking the above-mentioned Resolution Please use eliminate the cause .

IK-72T W2
- 15 -
5.1.2 Regarding SELECT SWITCH
In IK-72T W2, it is possible to carry out continuous welding and TACK welding operation by selecting
each mode and each parameter by SELECT SWITCH
Regarding each mode and each parameter it is given as below.
Operation
unit display
Digital display
Setting range
Factory default
TRUCK
SPEED
50～1500mm/min
―
2.0～59.0inch/min
Function
Continuous traveling mode
It is used when carriage is to be run continuously.
When this mode is selected, carriage starts traveling in the direction of
directing arrow by pressing START/STOP button.
It shows carriage traveling speed value during stop and traveling operation.
It is possible to change carriage traveling speed by turning DATA DIAL during
stop and traveling of carriage.※Running speed of tack/stitch driving mode of
the carriage also set here.
Kindly turn DATA DIAL in clock wise direction to increase speed of carriage
and in anti-clock wise direction to reduce speed.
Operation
unit display
Digital display
Setting range
Factory default
SWING
SPEED
400～1500mm/min
400mm/min
15.7inch/min
15.7～59.0inch/min
15.7inch/min
Function
Weaving swing speed setting
Selecting when setting the swing speed during weaving operations.
※Weaving swing speed of tack/stitch driving mode also set here.
During the stop in the digital meter, swing speed value is displayed.
Swing speed can be changed by turning DATA DIAL during the stop.
Swing speed can be changed during the carriage driving by combined
SELECT SWITCH to SWING SPEED.
In a state in which combined to SWING SPEED if you press the START /
STOP button, weaving works alone.
(An arc does not occur at the time of the movement alone)
Operation
unit display
Digital display
Setting range
Factory default
SWING
WIDTH
0～100.0mm
10.0mm
0～3.94inch
0.39inch
Function
Weaving swing width setting
Selecting when setting the swing width during weaving operations.
※Weaving swing width of tack/stitch driving mode also set here.
During the stop in the digital meter, swing width value is displayed.
Swing width can be changed by turning DATA DIAL during the stop.
Swing width can be changed during the carriage driving by combined
SELECT SWITCH to SWING WIDTH.
In a state in which combined to SWING WIDTH if you press the START /
STOP button, weaving works alone.
(An arc does not occur at the time of the movement alone)

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Operation
unit display
Digital display
Setting range
Factory default
TIMER
RIGHT
0～10.0s
0s
Function
Right torch stop time setting
Selecting when setting the right torch stop time during weaving operations.
Right torch stop time of tack/stitch driving mode also set here.
During the stop in the digital meter, right torch stop time value is displayed.
Right torch stop time can be changed by turning DATA DIAL during the stop.
Right torch stop time can be changed during the carriage driving by combined
SELECT SWITCH to TIMER RIGHT.
In a state in which combined to TIMER RIGHT if you press the START / STOP
button, weaving works alone.
(An arc does not occur at the time of the movement alone)
Operation
unit display
Digital display
Setting range
Factory default
TIMER
CENTER
0～10.0s
0s
Function
Central torch stop time setting
Selecting when setting the central torch stop time during weaving operations.
Central torch stop time of tack/stitch driving mode also set here.
During the stop in the digital meter, central torch stop time value is displayed.
Central torch stop time can be changed by turning DATA DIAL during the
stop.
Central torch stop time can be changed during the carriage driving by
combined SELECT SWITCH to TIMER CENTER.
In a state in which combined to TIMER CENTER if you press the START /
STOP button, weaving works alone.
(An arc does not occur at the time of the movement alone)
Operation
unit display
Digital display
Setting range
Factory default
TIMER
LEFT
0～10.0s
0s
Function
Left torch stop time setting
Selecting when setting the left torch stop time during weaving operations.
Left torch stop time of tack/stitch driving mode also set here.
During the stop in the digital meter, left torch stop time value is displayed.
Left torch stop time can be changed by turning DATA DIAL during the stop.
Left torch stop time can be changed during the carriage driving by combined
SELECT SWITCH to TIMER LEFT.
In a state in which combined to TIMER LEFT if you press the START / STOP
button, weaving works alone.
(An arc does not occur at the time of the movement alone)

IK-72T W2
- 17 -
Operation
unit display
Digital display
Setting range
Factory default
ORG
－
－
Function
Origin position adjustment setting
During the carriage stopped or carriage traveling by turning the DATA DIAL you
can adjust the position of the origin of the torch.
Turn the DATA DIAL clockwise, the torch moves to the left.
Turn in the counter-clockwise direction, the torch moves to the right.
Operation
unit display
Digital display
Setting range
Factory default
ARC
WAIT
0～10.0s
0.5s
Function
Arc stability time setting (It shows time till start of travelling of carriage
after Arc ON)
This mode is selected to set Arc stability time at the time of continuous travelling
mode and tack/stitch travelling mode.
It is time till start of travelling of carriage by pressing START/STOP button.
It carries out welding while carriage is in stop state during Arc stability time and
countdowns digital meter time.
It displays Arc stability time value on the digital meter while carriage is in stop
state.
Arc stability time can be changed by turning DATA DIAL only while carriage is in
stop state.
Arc stability time setting (It shows time till start of
travelling of carriage after Arc ON)
This mode is selected to set Arc stability time at the time
of continuous travelling mode and tack/stitch travelling
mode.
It is time till start of travelling of carriage by pressing
START/STOP button.
It carries out welding while carriage is in stop state
during Arc stability time and countdowns digital meter
time.
It displays Arc stability time value on the digital meter
while carriage is in stop state.
Arc stability time can be changed by turning DATA DIAL
only while carriage is in stop state.
Operation
unit display
Digital display
Setting range
Factory default
WELD
LENGTH
1～999.9mm
20.0mm
0.1～39.4inch
0.8inch
Function
CAUTION