Fronius Robacta TC 2000, Robacta TC 2000 Twin, Robacta TC 2000 US, Robacta TC 2000 Twin US Operating Instructions & Spare Parts
/ Perfect Charging / Perfect Welding / Solar Energy
42,0426,0135,EN 015-14082018
Robacta TC 2000
Robacta TC 2000 Twin
Robacta TC 2000 US
Robacta TC 2000 Twin US
Operating Instructions
Spare parts list
Welding torch cleaning
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Dear reader,
Introduction Thank you for the trust you have placed in our company and congratulations on buying this
high-quality Fronius product. These instructions will help you familiarise yourself with the
product. Reading the instructions carefully will enable you to learn about the many different
features it has to offer. This will allow you to make full use of its advantages.
Please also note the safety rules to ensure greater safety when using the product. Careful
handling of the product will repay you with years of safe and reliable operation. These are
essential prerequisites for excellent results.
Explanation of
safety symbols
If you see any of the symbols depicted in the "Safety rules" chapter, special care is required.
DANGER! Indicates immediate and real danger. If it is not avoided, death or serious injury will result.
WARNING! Indicates a potentially dangerous situation. Death or serious injury
may result if appropriate precautions are not taken.
CAUTION! Indicates a situation where damage or injury could occur. If it is not
avoided, minor injury and/or damage to property may result.
NOTE! Indicates a risk of flawed results and possible damage to the equipment.
IMPORTANT! Indicates tips for correct operation and other particularly useful information.
It does not indicate a potentially damaging or dangerous situation.
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Contents
Safety rules ................................................................................................................................................ 7
General ................................................................................................................................................. 7
Proper use ............................................................................................................................................ 7
Environmental conditions...................................................................................................................... 8
Obligations of the operator.................................................................................................................... 8
Obligations of personnel ....................................................................................................................... 8
Specific hazards.................................................................................................................................... 8
Protecting yourself and others .............................................................................................................. 9
Risks from mains current and operating current ................................................................................... 10
EMC Device Classifications .................................................................................................................. 10
EMC measures ..................................................................................................................................... 11
Safety measures at the installation location and during transport ........................................................ 11
Safety measures in normal operation ................................................................................................... 12
Commissioning, maintenance and repair.............................................................................................. 13
Safety inspection................................................................................................................................... 13
Disposal ................................................................................................................................................ 13
Safety symbols...................................................................................................................................... 14
Data protection...................................................................................................................................... 14
Copyright............................................................................................................................................... 14
General 15
General ...................................................................................................................................................... 17
Device concept ..................................................................................................................................... 17
Application areas .................................................................................................................................. 17
Warning notices on the device.............................................................................................................. 17
Parting agent types and their use ......................................................................................................... 19
Functional principle .................................................................................................................................... 20
Functional principle ............................................................................................................................... 20
Magnetic flux densities within the cleaning coil for Robacta TC 2000, Robacta TC 2000 US .............. 21
Magnetic flux densities within the cleaning coil for Robacta TC 2000 Twin, Robacta TC 2000 Twin US 22
Scope of supply and options...................................................................................................................... 23
General ................................................................................................................................................. 23
Scope of supply .................................................................................................................................... 23
Available options................................................................................................................................... 23
Transport.................................................................................................................................................... 24
Vehicles ................................................................................................................................................ 24
Transport notices on the packaging...................................................................................................... 24
Controls, connections and mechanical components 25
Safety......................................................................................................................................................... 27
Safety.................................................................................................................................................... 27
Standard I/O connecting plug (X1) pin assignment for robot control ......................................................... 28
General ................................................................................................................................................. 28
Standard I/O connecting plug (X1) pin assignment .............................................................................. 28
Controls, connections and mechanical components.................................................................................. 30
General ................................................................................................................................................. 30
Control panel......................................................................................................................................... 30
Robacta TC 2000, Robacta TC 2000 US connections and mechanical components........................... 31
Robacta TC 2000 Twin, Robacta TC 2000 Twin US connections and mechanical components ......... 32
Installation and commissioning 35
Safety......................................................................................................................................................... 37
Safety.................................................................................................................................................... 37
Before commissioning................................................................................................................................ 38
Operators, maintenance personnel....................................................................................................... 38
Setup regulations .................................................................................................................................. 38
Compressed air supply specifications................................................................................................... 38
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Mains connection .................................................................................................................................. 38
Bolting the cleaning device to the underlying surface (foundation)............................................................ 39
Screwing the cleaning device and installation stand to the underlying surface (foundation) ................ 39
Connecting the mains cable - Robacta TC 2000 US, Robacta TC 2000 Twin US .................................... 40
Connecting the mains cable.................................................................................................................. 40
Installing the wire cutter ............................................................................................................................. 42
Installing the wire cutter on the cleaning device ................................................................................... 42
Maximum wire diameter........................................................................................................................ 42
How the mechanically controlled wire cutter works ..............................................................................42
How the electrically-controlled wire cutter works .................................................................................. 43
Filling the dipping bowl with parting agent ................................................................................................. 44
Filling the dipping bowl with parting agent ............................................................................................ 44
Connecting the cleaning device to the "Robacta Reamer" parting agent container................................... 45
Connecting the cleaning device to the "Robacta Reamer" parting agent container ............................. 45
Starting up the cleaning device.................................................................................................................. 46
General ................................................................................................................................................. 46
Prerequisites for start-up....................................................................................................................... 46
Cleaning program sequence - Robacta TC 2000, Robacta TC 2000 US .................................................. 47
Program sequence with parting agent nebuliser - overview ................................................................. 47
Program sequence with parting agent nebuliser and dipping bowl - overview ..................................... 47
Cooling welding torch in the dipping bowl - detailed description........................................................... 47
Cleaning the gas nozzle tip and nozzle fitting - detailed description..................................................... 48
Spraying parting agent - detailed description........................................................................................ 48
Cleaning program sequence with parting agent nebuliser.................................................................... 49
Cleaning program sequence with dipping bowl ....................................................................................50
Cleaning program sequence - Robacta TC 2000 Twin, Robacta TC 2000 Twin US ................................. 51
Program sequence with parting agent nebuliser - overview ................................................................. 51
Program sequence with parting agent nebuliser and dipping bowl - overview ..................................... 51
Cooling welding torch in the dipping bowl - detailed description........................................................... 51
Cleaning the gas nozzle tip and nozzle fitting - detailed description..................................................... 52
Spraying parting agent - detailed description........................................................................................ 52
Cleaning program sequence with parting agent nebuliser.................................................................... 53
Cleaning program sequence with dipping bowl ....................................................................................54
Troubleshooting, maintenance and disposal 55
Safety......................................................................................................................................................... 57
Safety.................................................................................................................................................... 57
Troubleshooting ......................................................................................................................................... 58
Troubleshooting .................................................................................................................................... 58
Care, maintenance and disposal ............................................................................................................... 61
Before each start-up ............................................................................................................................. 61
Daily ...................................................................................................................................................... 61
Weekly .................................................................................................................................................. 61
Every 3 months ..................................................................................................................................... 61
Every 6 months ..................................................................................................................................... 61
Every 12 months ................................................................................................................................... 61
Disposal ................................................................................................................................................ 61
Technical data 63
Technical data............................................................................................................................................ 65
General ................................................................................................................................................. 65
Robacta TC 2000, Robacta TC 2000 Twin .......................................................................................... 65
Robacta TC 2000 US, Robacta TC 2000 Twin US ............................................................................... 65
Appendix 67
Spare parts list: Robacta TC 2000............................................................................................................. 68
Circuit diagrams: Robacta TC 2000........................................................................................................... 71
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Safety rules
General
Proper use
The device is manufactured using state-of-the-art technology and according
to recognised safety standards. If used incorrectly or misused, however, it can
cause:
- injury or death to the operator or a third party,
- damage to the device and other material assets belonging to the operating company,
- inefficient operation of the device.
All persons involved in commissioning, operating, maintaining and servicing
the device must:
- be suitably qualified,
- have sufficient knowledge of automated welding, and
- read and carefully follow these operating instructions as well as the operating instructions for all system components.
The operating instructions must always be at hand wherever the device is being used. In addition to the operating instructions, attention must also be paid
to any generally applicable and local regulations regarding accident prevention and environmental protection.
All safety and danger notices on the device
- must be in a legible state,
- must not be damaged,
- must not be removed,
- must not be covered, pasted or painted over.
For the location of the safety and danger notices on the device, refer to the
section headed "General" in the operating instructions for the device.
Before commissioning the device, rectify any faults that could compromise
safety.
This is for your personal safety!
The device is to be used exclusively for its intended purpose.
The device is intended solely for the electromagnetic cleaning of Fronius welding torches.
Any use above and beyond this purpose is deemed improper. The manufacturer shall not be held liable for any damage arising from such usage.
Proper use includes:
- carefully reading and following all the instructions given in the operating
instructions
- studying and obeying all safety and danger notices carefully
- performing all stipulated inspection and servicing work.
The device is designed for use in industry and the workshop. The manufacturer accepts no responsibility for any damage caused through use in a domestic
setting.
The manufacturer likewise accepts no liability for inadequate or incorrect results.
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Environmental
conditions
Obligations of the
operator
Obligations of
personnel
Specific hazards
Operation or storage of the device outside the stipulated area will be deemed
as not in accordance with the intended purpose. The manufacturer shall not
be held liable for any damage arising from such usage.
Ambient temperature range:
- during operation: 0 °C to + 40 °C (32 °F to 104 °F)
- during transport and storage: -25 °C to +55 °C (-13 °F to 131 °F)
Relative humidity:
- up to 50 % at 40 °C (104 °F)
- up to 90 % at 20 °C (68 °F)
Keep ambient air free from dust, acids, corrosive gases and substances, etc.
Can be used at altitudes of up to 2000 m (6500 ft)
The operator must only allow persons to work with the device who:
- are familiar with the fundamental instructions regarding safety at work and
accident prevention and have been instructed in how to use the device
- have read and understood these operating instructions, especially the
section "safety rules", and have confirmed as much with their signatures
- are trained to produce the required results.
Checks must be carried out at regular intervals to ensure that operators are
working in a safety-conscious manner.
Before using the device, all persons instructed to do so undertake:
- to observe the basic instructions regarding safety at work and accident
prevention
- to read these operating instructions, especially the "Safety rules" section
and sign to confirm that they have understood them and will follow them.
Before leaving the workplace, ensure that people or property cannot come to
any harm in your absence.
Stay out of the working area of the robot.
The device must be incorporated into a higher-level safety system within a secured area.
If this area has to be accessed when setup and maintenance work is carried
out, make sure that
- the entire system is switched off for the duration of the work in this area
- and that it is prevented from starting up accidentally, e.g., as the result of
a control fault
In addition to these operating instructions, the safety rules issued by the robot
manufacturer must also be observed.
Covers and side panels may only be opened/removed while maintenance or
repair work is being carried out.
During operation:
- Ensure that all covers are closed and all side panels are fitted properly.
- Keep all covers and side panels closed.
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Protecting yourself and others
Electromagnetic fields may pose as yet unknown risks to health:
- Effects on the health of persons in the vicinity, e.g. those with pacemakers, metallic implants and hearing aids
- Forbidden for anyone wearing a pacemaker: people fitted with a pacemaker must consult their doctor before working with the device or entering
its immediate vicinity
- Forbidden for anyone with metal implants: people fitted with metal implants must consult their doctor before working with the device or entering
its immediate vicinity
Magnetic fields generated by the high amperage can cause ferromagnetic
parts such as spatter accumulations to be ejected from the cleaning opening.
To prevent injury, never look into in the cleaning opening while the device is
switched on; protective goggles with side protection must be worn at all times.
Persons involved with welding expose themselves to numerous risks, e.g.:
- flying sparks and hot pieces of metal
- arc radiation, which can damage eyes and skin
- risk of electrocution from mains current and welding current
- greater noise pollution
- harmful welding fumes and gases
Anyone working on the workpiece while welding is in progress must wear suitable protective clothing with the following properties:
- flame-resistant
- insulating and dry
- covers the whole body, is undamaged and in good condition
- safety helmet
- trousers with no turn-ups
Protective clothing refers to a variety of different items. Operators should:
- protect eyes and face from UV rays, heat and sparks using a protective
visor and regulation filter.
- wear regulation protective goggles with side protection behind the protective visor.
- wear stout footwear that provides insulation even in wet conditions.
- protect the hands with suitable gloves (electrically insulated and providing
protection against heat).
- wear ear protection to reduce the harmful effects of noise and to prevent
injury.
Keep all persons, especially children, out of the working area while any devices are in operation or welding is in progress. If, however, there are people in
the vicinity,
- make them aware of all the dangers (dazzling by arc, injury from flying
sparks, inhalation of harmful welding fumes, noise, possible danger from
mains or welding current, possible danger from electromagnetic fields,
possible danger from the magnetic field around the cleaning opening, mechanically-powered parts, compressed air/parting agent mixture ejected
from the cleaning opening, flying shavings and similar matter, etc.),
- provide suitable protective equipment or
- erect suitable safety screens/curtains.
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Risks from mains
current and operating current
EMC Device Classifications
An electric shock is potentially life threatening and can be fatal.
Do not touch live parts either inside or outside the device.
All cables and leads must be secured, undamaged, insulated and adequately
dimensioned. Loose connections, scorched, damaged or inadequately dimensioned cables and leads must be replaced immediately.
Do not sling cables or leads around the body or parts of the body.
Only switch on the device when all output connections have been established
correctly.
The device must only be operated on a mains supply with a ground conductor
and a socket with a ground conductor contact.
If the device is operated on a mains supply without a ground conductor, this
will be deemed as gross negligence. The manufacturer shall not be held liable
for any damage arising from such usage.
Arrange for the mains cable to be checked regularly by a qualified electrician
to ensure the ground conductor is functioning properly.
Switch off unused devices.
Disconnect the mains plug before working on the device.
Attach a clearly legible and easy-to-understand warning sign to the device to
prevent anyone from plugging the mains plug back in and switching it on
again.
After opening the device:
- Discharge all live components
- Ensure that all components in the device are de-energised.
If work on live parts is required, appoint a second person to switch off the main
switch at the right moment.
The housing screws provide an adequate ground conductor connection for
earthing the housing. The screws must never be replaced with different
screws unless a reliable ground conductor connection is set up.
Devices in emission class A:
- Are only designed for use in industrial settings
- Can cause line-bound and radiated interference in other areas
Devices in emission class B:
- Satisfy the emissions criteria for residential and industrial areas.
This is also true for residential areas in which the energy is supplied from the public low-voltage mains.
EMC device classification as per the rating plate or technical data.
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EMC measures
Safety measures
at the installation
location and during transport
Warning, electromagnetic field. Electromagnetic fields may pose as yet un-
known risks to health.
It is the operator's responsibility to ensure that no electromagnetic interference
occurs in electrical and electronic devices.
If electromagnetic interference is detected, the operator is obliged to take action to rectify the situation.
Check for possible problems, and check and evaluate neighbouring devices'
resistance to interference according to national and international requirements:
- Safety devices
- Power, signal and data transfer lines
- IT and telecommunications devices
- Measuring and calibrating devices
- Health of neighbouring persons
Supporting measures for avoidance of EMC problems:
1. Mains supply
- If electromagnetic interference arises despite the correct mains connection, additional measures are necessary (e.g. use of a suitable
line filter)
2. Shielding, if necessary
- Shield off other nearby devices
- Shield off entire welding installation
3. Do not have any magnetic or electronic data carriers about your person:
magnetic or electronic data carriers can be damaged by the magnetic
fields generated when the device is in use.
4. Do not have any watches or pieces of metal about your person. Watches
can be damaged when the device is in use.
A device toppling over could easily kill someone. Place the device on a solid,
level surface such that it remains stable
- The maximum permissible tilt angle is 10°.
Special regulations apply in rooms at risk of fire or explosion
- Observe relevant national and international regulations.
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Safety measures
in normal operation
Use internal directives and checks to ensure that the workplace environment
is always clean and clearly laid out.
Only set up and operate the device in accordance with the degree of protection shown on the rating plate.
When setting up the device, ensure an all-round clearance of at least 0.5 m
(19.69 in.) from any surrounding objects, e.g. walls, other devices or objects.
The device must be set up at least 1 m (40 in.) away from computers, control
lines and the welding process.
Position the device to prevent welding spatter coming into contact with the
cleaning device.
Before transporting the device, allow parting agent to drain completely.
When transporting the device, observe the relevant national and local guidelines and accident prevention regulations. This applies especially to guidelines
regarding the risks arising during transport.
After transporting the device, the device must be visually inspected for damage before commissioning. Any damage must be repaired by trained service
technicians before commissioning the device.
Only operate the device when all safety devices are fully functional. If the safety devices are not fully functional, there is a risk of
- injury or death to the operator or a third party,
- damage to the device and other material assets belonging to the operator,
- inefficient operation of the device.
Any safety devices that are not functioning properly must be repaired before
switching on the device.
Never bypass or disable safety devices.
Before switching on the device, ensure that no one is likely to be endangered.
Check the device at least once a week for obvious damage and proper functioning of safety devices.
- Only use suitable original parting agent from the manufacturer.
- Observe the information on the parting agent safety data sheets when
handling parting agent. The parting agent safety data sheets may be obtained from your service centre or downloaded from the manufacturer's
website.
- Do not mix the manufacturer's parting agent with other parting agents.
- If damage results from using a different parting agent, the manufacturer
accepts no liability. In addition, no warranty claims will be entertained.
- Used parting agent must be disposed of properly in accordance with the
relevant national and international regulations.
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Commissioning,
maintenance and
repair
Safety inspection
Disposal
It is impossible to guarantee that bought-in parts are designed and manufactured to meet the demands made of them, or that they satisfy safety requirements.
- Use only original spare and wearing parts (also applies to standard parts).
- Do not carry out any modifications, alterations, etc. to the device without
the manufacturer's consent.
- Components that are not in perfect condition must be replaced immediately.
- When ordering, please give the exact designation and part number as
shown in the spare parts list, as well as the serial number of your device.
The housing screws provide the ground conductor connection for earthing the
housing parts.
Only use original housing screws in the correct number and tightened to the
specified torque.
The manufacturer recommends that a safety inspection of the device is performed at least once every 12 months.
A safety inspection should be carried out by a qualified electrician
- after any changes are made
- after any additional parts are installed, or after any conversions
- after repair, care and maintenance has been carried out
- at least every twelve months.
For safety inspections, follow the appropriate national and international standards and directives.
Further details on safety inspection and calibration can be obtained from your
service centre. They will provide you on request with any documents you may require.
Do not dispose of this device with normal domestic waste! To comply with the
European Directive on Waste Electrical and Electronic Equipment and its implementation as national law, electrical equipment that has reached the end of
its life must be collected separately and returned to an approved recycling facility. Any device that you no longer require must either be returned to your
dealer or given to one of the approved collection and recycling facilities in your
area. Ignoring this European Directive may have potentially adverse affects on
the environment and your health!
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Safety symbols
Data protection
Copyright
Devices with the CE mark satisfy the essential requirements of the low-voltage
and electromagnetic compatibility directives (e.g. relevant product standards
of the EN 60 974 series).
Fronius International GmbH hereby declares that the device is compliant with
Directive 2014/53/EU. The full text on the EU Declaration of Conformity can
be found at the following address: http://www.fronius.com
Devices marked with the CSA test mark satisfy the requirements of the relevant standards for Canada and the USA.
The user is responsible for the safekeeping of any changes made to the factory settings. The manufacturer accepts no liability for any deleted personal
settings.
Copyright of these operating instructions remains with the manufacturer.
The text and illustrations are all technically correct at the time of printing. We
reserve the right to make changes. The contents of the operating instructions
shall not provide the basis for any claims whatsoever on the part of the purchaser. If you have any suggestions for improvement, or can point out any
mistakes that you have found in the instructions, we will be most grateful for
your comments.
General
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General
Device concept
Robacta TC 2000 on optional installation stand
The cleaning devices in the Robacta TC
2000 series have been designed to clean a
variety of different welding torch geometries. The components are contained in a robust housing. The compact design means it
can be set up in the narrowest of spaces
(e.g., in robot cells). In addition, the cleaning devices have been conceived in such
a way that the installation stand and standard I/O connecting plug (X1) of the Robacta TC 1000 can be used with the cleaning
devices without any modifications.
The cleaning devices are more or less maintenance-free, as there are no mechanically
stressed parts.
Application areas The cleaning device cleans welding torches in automated steel applications. It has been
designed for use in the
- automotive and component supply industry
- equipment construction
- chemical plant construction
- mechanical engineering
- rolling stock construction
- shipyards
Warning notices
on the device
The device is fitted with safety symbols and a rating plate. The safety symbols and rating
plate must not be removed or painted over. The symbols warn against operating the equipment incorrectly, as this may result in serious injury and damage.
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WARNING! Risk of serious injury from:
- the magnetic field surrounding the cleaning opening
- compressed air/parting agent mixture escaping from the cleaning opening
- flying parts (shavings, etc.)
- mechanically powered components
Keep device free from current and pressure during maintenance and servicing.
Do not use the functions described here until you have thoroughly read and
understood the following documents:
- these operating instructions
- all the operating instructions for the system components, especially the
safety rules
For indoor use only
Wear eye protection
Forbidden for anyone wearing a pacemaker
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Parting agent
types and their
use
Parting agent types and their use:
- "Robacta TC Cool / Robacta TC Cool MD" parting agent for immersing the welding
torch in the dipping bowl
- "Robacta Reamer" parting agent for spraying the welding torch after the cleaning operation
It is recommended that the dipping bowl should be used for:
- Gas-cooled welding torches
- Water-cooled welding torches in the upper power range (hot gas nozzles)
Spraying the welding torch with "Robacta Reamer" parting agent is recommended for all
applications.
NOTE! Parting agents are not included in the scope of supply.
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Functional principle
Functional principle
- Once the cleaning device is connected to the mains power supply, the mains voltage
indicator lights up. The capacitors, which store energy for the cleaning operation, are
discharged and no outputs are activated.
- The device temperature is checked before the capacitors are charged. If it lies within
the tolerance range, the capacitors are charged in preparation for a cleaning operation. If the operating temperature is exceeded, the overtemperature indicator lights up.
Capacitor charging only begins once the temperature has fallen to the permitted operating temperature.
- The "Ready" signal is output to the robot control after twenty seconds of charging - the
"Ready-to-discharge" indicator on the device begins to flash. When the capacitors are
fully charged, the light remains permanently on. Although the device has still not
achieved maximum magnetic flux density after just twenty seconds, the cleaning operation (discharge process) can still be triggered using the "Cleaning Start" signal. For
adjustment purposes, the cleaning operation can also be manually triggered using the
discharge button on the device.
The maximum magnetic flux density for cleaning is available after fifty seconds of
charging.
See the diagram below for the exact relationship between charging time and the magnetic flux density available.
- Once the cleaning operation is complete, the program sequence restarts by checking
the device's temperature. If there was a problem during the cleaning operation, the
"Error" signal is output. The cleaning device resumes charging the capacitors. Once
ready to clean ("Ready"), a second cleaning operation can be started.
NOTE! Before the capacitors can be charged, the cleaning device must be connected to both the mains power supply and the robot control. The "Quick Stop"
signal must also be set.
Magnetic flux density available (Tesla)
Charging time (seconds)
5
4,5
4
3,5
3
2,5
20 25 30 35 40 45 50
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- Automatic refilling of the dipping bowl with "Robacta TC Cool / Robacta TC Cool MD"
parting agent ensures an optimum fill level in the dipping bowl. After draining the "Robacta TC Cool / Robacta TC Cool MD" parting agent container, the fill level in the dipping bowl drops. The level sensor detects that the level has dropped too low and the
fill level indicator lights up. At the same time, the "Fluid level control" signal is transmitted to the robot control.
- The device cleaning function remains available even if the fill level indicator is il-
luminated.
Magnetic flux
densities within
the cleaning coil
for Robacta TC
2000, Robacta TC
2000 US
Depending on the application, the strength of the magnetic flux density on the individual
areas of the welding torch can be controlled by regulating how deeply the welding torch is
immersed in the cleaning coil.
NOTE! If the robot control deactivates the "Quick Stop" signal during the program sequence, the cleaning device program sequence is interrupted immediately. For safety reasons the capacitors are discharged via the cleaning
coil.
NOTE! When using the cleaning device, refer to the program sequence for details
of the welding torch immersion depth.
Cleaning coil
Diagram showing available
magnetic flux density
Immersion depth of
torch neck into clean-
ing coil
0 % 100 %
50 mm
1.97 in.
10 mm
0.39 in.
15 mm
0.59 in.
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Magnetic flux
densities within
the cleaning coil
for Robacta TC
2000 Twin, Robacta TC 2000
Twin US
Depending on the application, the strength of the magnetic flux density on the individual
areas of the welding torch can be controlled by regulating how deeply the welding torch is
immersed in the cleaning coil.
NOTE! When using the cleaning device, refer to the program sequence for details
of the welding torch immersion depth.
Cleaning coil
Diagram showing available magnetic flux density
Immersion depth of
torch neck into clean-
ing coil
0 % 100 %
54 mm
2.13 in.
14 mm
0.55 in.
19 mm
0.75 in.
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