Inside Diameter Welding
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Model 94 ID Spiral Cladding Pipe Weld Head
The Arc Machines’ Model 94 is a rugged weld head for high-production spiral ID cladding applications using the GTAW process. It is intended for small-diameter safe-end and vessel nozzle ID cladding and ID welding.
Features
- Torches available for minimum 0.68" (17 mm) post-weld ID to maximum 6.75” (171 mm) pre-weld ID
- Stainless steel rack-and-gear drive for consistent travel speeds in all positions (no friction drives)
- Manual travel clutch to allow rapid insertion and extraction of torch
- On-board wire feed mechanics, synchronized pulsed wire feed
- Unlimited torch rotation (no cable wrapping)
- Automatic arc voltage control
- Axial position readout
- Touch detect sensing allows presetting of arc gap for H.F. start
- Torches available for cladding or groove welding applications
- Continuous spiral cladding length depends on application with optional carriage
Compatible with the AMI Model 415 Power Supply.
Quick Specs
| ID Range | 0.68" - 6.75" (17 mm - 171 mm) |
|---|---|
| AVC Stroke | Automatic |
| Wire Feed Speed | 5.0 - 100 IPM (13 - 250 cm/min.) |
| Travel Speed | 0.1 - 2.0 RPM |
| Tungsten Size | 3/32" or 1/8" (2,4 mm or 3,2 mm) |
| Filler Wire | 0.030" (0.8 mm Ø) recommended |
| Wire Spool | 8" or 4" diameter (200 mm or 100 mm Ø) |
| Axial Speed | 0.010 - 0.400 IPM (0,25 mm - 10,2 mm/min.) |
| Weight | 93 lbs. (42 kg) |
A large selection of standard and special torches are available to fit specific ID ranges, axial lengths and weld requirements.


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