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Inside Diameter Welding

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Model 73 Small Bore ID Pipe Weld Head

The Arc Machines' Model 73 is an inside diameter welding head for ID cladding or welding of pipe joints. It is a rugged, field-proven weld head for use in small diameter pipe and other limited radial clearance applications.

Features

  • Small-bore ID weld head, with 250 A GTAW torch
  • Range from 5.160" to 20" ID (131 mm to 508 mm) with direct-view color TV cameras
  • Pneumatically operated cylinders that center and position the weld head
  • Extremely fast mount / dismount times
  • Automatic arc voltage control
  • Cross-seam steering
  • Synchronized torch oscillation and pulsed wire feed
  • Built-in wire feeder and wire spool holder

Options

  • 1" AVC stroke (25 mm) to allow use in 5.160" (131 mm) ID
  • 2" AVC stroke (50 mm) to allow use in 5.66" (144 mm) or larger ID
  • Large Selection of Torches are available for limited reach welding inside diameters as small as 1.125" ID (special applications)
  • Remote torches with motorized wire feed manipulators and video options available
  • Arc Voltage Control
  • Oscillation
  • Travel Speed
  • Water Cooling
  • Wire Feed
  • Wire Manipulator

Quick Specs

ID Range 5.16" - 20" (131 mm - 508 mm)
AVC Stroke 2.00" (504 mm) or 1.00" (25 mm) optional
Torch Oscillation 1.00" (25 mm) max.
Wire Feed Speed 5.0 - 200 IPM
(13 - 500 cm/min.)
Travel Speed 0.05 - 1.0 RPM
Tungsten Size 3/32" or 1/8"
(2,4 mm or 3,2 mm)
Filler Wire 0.030" or 0.025"
(0,8 mm or 0,6 mm Ø)
Wire Spool 2 lbs. or 4" standard spool
(1 kg or 100 mm Ø spool)
Torch Cross-Seam Steering Range 1.88" (47 mm) or 0.88" (22 mm) at max. osc.
Torch Water-cooled, 250 A DC 100% Duty Cycle
Remote Torch Tilt +/- 15°
Weight 40 lbs. (less cables) including remote vision system
(18 kg)