Orbital TIG Welding

AMI_logo

Arc Machines, Inc. designs, manufactures and distributes the world’s broadest and most advanced range of automated orbital welding equipment.

With a reputation for outstanding QUALITY, DURABILITY, and FUNCTIONALITY, Arc Machines, Inc. specializes in the design and manufacture of precision, highly automated, stable welding systems including welding power sources, control systems, electro-mechanical torch manipulation devices (weld heads) and arc-zone vision systems.

From small contractors to large blue-chip companies, Arc Machines has the people, products, and experience to help you succeed with dedicated after-sales support, customer service, and technical expertise.

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Arcmachines-model-15-weldhead

Model 15

The Model 15 is a rugged, precision weld head with low radial clearance for GTAW welding of all pipe sizes from 3" (76 mm) pipe up to an unlimited size, including a flat plate.

It is primarily designed for field use in the nuclear, shipbuilding, petrochemical, and construction industries where exceptional weld quality is strictly required. The Model 15 features rotation, wire feed, automatic voltage control, cross-seam steering, and torch oscillation. It is available in many standard configurations and can be retro-fitted or customized with numerous application-specific accessories to accommodate every need. The Model 15 is just one element of an automated pipe welding system. A torch assembly, precision guide rings, AMI Power Supply, and other options comprise a complete system suitable for high-quality orbital pipe welding.

  • Rugged, compact weld head with water-cooled torches
  • Zero-backlash dual-motor gear drive for consistent travel speeds in all positions
  • Range from 3" pipe (76 mm) through all standard pipe sizes, such as 6", 8", 10", 12" up to any diameter. Flat track for flat plate welds and the large-radius curved track is available
  • Extremely quick mount/dismount
  • A spring-loaded breakaway mount that prevents accidental breakage of torch parts
  • Cross-seam steering
  • Synchronized torch oscillation, AVC, rotation and wire feed
  • On-board wire feed mechanics, single or dual wire feed system
  • Most torches accommodate a wide variety of gas cups and gas lenses
  • Several different “standard” torch types are available with different dimensions, functions, and features, such as:
    - Electrode-to-wire-nozzle height adjustment
    - Lead/lag adjustment
    - Cross-seam torch tilt (in/out)
Arcmachines-m79-weldhead

Model 79 Series

 

The Arc Machines' Model 79 series weld heads are economical, easy-to-use, sturdy weld heads designed for precision orbital welding - with or without filler wire - of tube, pipe, and fittings.

Each Model 79 weld head features Arc Voltage Control (AVC) for precise arc gap control, programmable oscillation (weaving), and a precision wire feeder and wire entry mechanics. All Model 79 weld heads operate using the GTAW (TIG) process and will accommodate a range of pipe sizes from 0.75" OD to 6.625" OD (19 mm to 170 mm) and wall thicknesses up to 0.75" (19 mm).

  • Precision orbital welding heads - with or without filler wire - of tube, pipe, and fittings.
  • Versatile and compatible with a variety of joint
    designs, such as “V” prep, “J” prep,
    socket and square butt
  • Accommodates tube, pipe, and fittings from 0.75” OD to 6.625” OD (19 mm - 170 mm) with wall thicknesses up to 0.750”. (19 mm)
  • Will weld materials ranging from carbon or stainless steels to exotic alloys including Hastelloy®, Inconel®, and Monel® as well as all other TIG weldable materials.

Compatible with the AMI Model 227 and Model 415 Power Supplies.

arcmachines-model81-weldhead

Model 81

 

 

The Model 81 is a full function orbital pipe weld head featuring programmable AVC (Arc Voltage Control), Torch Oscillation (weaving), onboard Wire Feeder, and Travel in a very compact package.

The Model 81 has found widespread use in a variety of applications that require high-quality welding results in applications with limited axial and radial clearances. Common uses for the Model 81 include shipbuilding and high-pressure steam piping in fossil fuel power plants and many other applications. The Model 81 can be equipped with a wide variety of options to allow its use in specialized applications that include remote arc viewing vision systems and fillet welding options.

The Arc Machines’ Model 81 is a field-proven weld head that represents the culmination of over 35 years of experience in the successful design and development of precision low-profile orbital welding heads. The Model 81 in its standard configuration will weld pipe from 1.9" OD to 5.563" OD with as little as 1.750" radial clearance and 6.325" axial clearance. Our unique clamping assembly increases production rates by minimizing the mounting and dismounting times of the weld head to as little as 30 seconds each.

  • Extremely compact, rugged weld head with 200 A water-cooled torch and body
  • Mount/dismount in as little as 30 seconds
  • Range from 1/2” to 5” schedule pipe
  • Rotation speeds from 0.1 to 10 IPM (2,5 mm - 250 mm/min.)
  • On-board wire feed mechanics, synchronized pulsed wire feed
  • Servo-controlled rotation
  • Servo-controlled AVC
  • Servo-controlled synchronized wire feed
  • Servo-controlled torch oscillation and dwell
  • Electronically controlled torch steering

 

ArcMachines-model-227-powersupply

Model 227

 

The Model 227 is a 100/225 A pre-programmed / programmable, inverter-type, GTAW welding power supply and controller designed for (but not limited to) automatic orbital welding applications that require the addition of filler material.

Welds produced by this machine, together with Arc Machines' weld heads, meet or exceed the specifications required by industries as diverse as food, dairy, brewery, pharmaceutical, power generation, petrochemical, chemical, pulp and paper, nuclear, shipbuilding, etc. Its small size and rugged casing make it useful in field applications where portability is required. High-integrity, code-quality welds are easily reproduced at the touch
of a button.

  • Internal memory for up to 100 multi-level, multi-function weld schedules
  • 8 multi-level functions for total process control
  • Programmable, continuous or pulsed current, rotation, wire feed, oscillation and AVC, 100 levels per pass
  • Dust/moisture-proof soft-touch membrane switches
  • Standard software prompts in multiple languages
  • Built-in, high-speed printer
  • Off-line programming option available (PC Compatible)
  • Key-switch to limit operator access
  • Standard remote operator's pendant
  • Optional water cooling unit
  • An optional external memory module
Arc Machines-M415-Powersupply

Model 415

The Model 415 WDR is an all-in-one computer-controlled GTAW Power Supply. It is primarily designed to work with AMI’s orbital and fixed automation weld heads.

The Model 415 WDR Power Supply can control third party positioners and welding manipulators. The Model 415 WDR incorporates a powerful automation controller designed to meet the challenges of the most demanding welding applications. At the heart of the power supply is an industrial computer programmed via a large 12” touch screen or keyboard. The intuitive graphical user interface (GUI) makes programming easy using standard welding industry terminology and clearly organized input fields.

  • Computer-controlled, Windows™ operating system
  • 4 standard and 4 optional closed-loop motor servos
  • 8 motor controls for positioning (jog)
  • High-precision gas and water flow sensor
  • Built-in water cooling and system diagnostics
  • High-capacity memory for program storage
  • Operator’s pendant with a heads-up display
  • Automatic configuration for AMI held heads
  • 2 USB ports
  • Remote control PC interface via Ethernet LAN
  • WDR (Weld Data Recording): recording and saving of weld data; exporting to a storage device in native or other file formats: saving project weld data records as a single file.
Magnatech Logo

Since 1971, Magnatech has manufactured orbital welding equipment for a wide range of diverse applications. As a top solution provider for tube, pipe, and pipeline markets, their range of orbital welding systems are designed to meet your specific challenges, whether minimal clearances in maintenance applications or use by lesser skilled operators in remote locations and hostile environments. Designed for reliability and simplicity in programming and operation, their orbital welding systems will improve productivity, reduce weld repair rates, and produce consistent welds meeting all code standards.

Magnatech meets the needs of our global clientele with guidance in selecting the most suitable systems to meet their specific application requirements. Their in-house support staff provides customers with expert technical application assistance and service support.

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magnatech-d-head

D-Head 420

The Magnatech D Weld Head is designed to make pipe-to-pipe and pipe-to-fitting welds. It is “full function" – with the capability of reproducing all the motions of a skilled welder. The D Weld Head is used for applications with radial and axial clearance constraints. Interchangeable guide rings provide mounting on the pipe, and allow the D Weld Head to cover a broad size range: 1" - 14". The D Weld Head improves productivity by increasing the duty cycle, reducing repair rates, and producing welds of consistent quality.

  • Full function Capability (Torch Rotation, Filler Wire Feed, Electronic Arc Gap Control, Electronic Oscillation)
  • Broad size range
  • Guide Rings available for standard Tube/Pipe sizes
  • Waterproof Carry Case/Tool Kit standard
  • Water-Cooled Torch uses standard Expendables
magnatech-t-head

T Head 419

The Magnatech T model weld head is designed to make pipe-to-pipe and pipe-to-fitting welds. It is “full function" – with the capability of reproducing all the motions of a skilled manual welder. The T Head is used for larger diameter/heavy wall applications, requiring the precise weld process control of gas tungsten arc welding. Interchangeable guide rings provide mounting on the pipe and allow the T Head to cover a broad size range. The T model weld head improves productivity by increasing the duty cycle and reducing repair rates.

  • Full function Capability (Torch Rotation, Filler Wire Feed, Electronic Arc Gap Control, Electronic Oscillation)
  • Broad size range
  • Guide Rings available for standard Pipe sizes
  • Water-Cooled Torch uses standard Expendables
  • Tool Kit standard
Magnatech-quickclamp-weldhead

Quickclamp 432, 433

The Magnatech Quickclamp weld heads are designed to make pipe-to-pipe and pipe-to-fitting welds. They are “full function” – with the capability of reproducing all the precise motions of a skilled welder. A continuously adjustable clamp eliminates the need to interchange components when changing pipe sizes. Simply slip the head over the pipe and clamp with a toggle lever. The Quickclamp heads improve productivity by increasing the duty cycle, reducing repair rates, and producing welds of consistent quality.

  • Multipass welding of tubes/pipes in all gravity positions
  • Use economical standard 1 kg (2 lb.) wire spools
  • Push-button clutch for rapid cable unwind
  • Heat tolerant steel bearings and chain drive
  • Waterproof Carry Case/Tool Kit standard
  • Socket Welding Kit and Tilt AVC option for angled torch applications
  • Water-Cooled Torch uses standard expendables
magnatech-pm515

Pipemaster 515

The latest generation of Pipemaster power sources is the result of a new direction in power source design. The Pipemaster 515 brings the benefits of digital technology to the orbital welding customer: unparalleled accuracy, repeatability, and reliability. The new model is half the size and weight of previous models. Digital technology forever eliminates the need for periodic weld head calibration.

  • Multi-pass welding of pipes/tubes/tubesheets
  • Full function capability (torch rotation, filler wire feed, electronic arc gap control, electronic oscillation)
  • Operates all models of Magnatech weld heads (GTAW process
  • 200 amp output
  • Autoranging input eliminates all internal modifications
  • Up to 100 levels per program (time-based programs)
  • Stores 100 weld programs internally
  • Auto Program automatically generates procedures
  • Programming and operation guided by simple prompts
  • Teach mode allows rapid program development
  • Programmable “override limits” provide supervisory control
  • Weld parameter monitoring/out-of-limits reporting for QA/QC purpose
  • Transfer programs and QC data to PC using standard USB flash drive
  • AutoTack automatically generates tack weld programs
  • Large color LCD display
  • Stainless steel case
  • Help files provide immediate information/assistance
  • Password protection of key functions
  • Waterproof pendant with 7.6 m (25’) cable
  • Auto rewind feature unwraps cable at weld completion
  • All weld head functions capable of synchronization with pulsed current output
  • Selectable position or time-based programming
  • The integral switch prevents welding without torch gas flow
  • Integral printer
  • Detachable coolant recirculation with integral flow switch protection
  • Meets applicable NEMA, CE, CSA standards
Magnatech-Pipemaster-516-

Pipemaster 516

The latest generation of Pipemaster controllers are the result of a new direction in power source design. Pipemaster 516 brings the benefits of digital technology to the orbital welding customer: unparalleled accuracy, repeatability, and reliability. Digital technology forever eliminates the need for periodic weld head calibration – motor speeds and response characteristics remain accurate and stable regardless of wear, and weld heads can be interchanged without time-consuming calibration.

  • Multi-pass welding of pipes/tubes/tubesheets
  • Full function capability (torch rotation, filler wire feed, electronic arc gap control, electronic oscillation)
  • Operates all models of Magnatech weld heads (GTAW process)
  • Current programming and pulsing controlled by Pipemaster controller – not the power supply
  • Amperage output determined by power source selection • Autoranging power input eliminates all internal modifications
  • Up to 100 levels per program (time-based programs)
  • Stores 100 weld programs internally
  • Auto Program automatically generates procedures
  • Programming and operation guided by simple prompts
  • Teach mode allows rapid program development
  • Programmable “override limits” provide supervisory control
  • Weld parameter monitoring/out-of-limits reporting for QA/QC purposes
  • Transfer programs and QC data to PC using USB flash drive/memory key
  • AutoTack automatically generates tack weld programs
  • Large color LCD pendant display
  • Stainless steel case
  • Help files provide immediate information/ assistance
  • Password protection of key functions
  • Waterproof pendant with 7.6 m (25’) cable
  • Auto rewind feature unwraps cable at weld completion
  • All weld head functions capable of synchronization with pulsed current output
  • Selectable position or time-based programming
  • The integral switch prevents welding without torch gas flow
  • Bluetooth printer option
  • Detachable coolant recirculation with integral flow switch protection
  • Meets applicable NEMA, CE, CSA standards

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