Resistance welding machines
Flash butt, seam, spot and projection welders for strong, repeatable welds across a range of materials and part shapes, in manual or automated form.
- FBW1 to FBW10
- Ten standard flash butt models
- 200 ton
- Maximum upset force
- 500 ton
- Maximum clamping force

Flash butt welders
Flash, butt and upset machines cover work from small band-saw blades and wire assemblies to large components. They come as flash, upset (flashless) or combination units, for ferrous and non-ferrous materials.
Power and clamping
Choose single-phase AC transformers or three-phase DC or MFDC power supplies. Clamping can be vertical, horizontal or angular, including custom combinations.
What it joins
Structural members, aerospace components, wheels, rings, rods and anodes. Flash and butt welding needs no filler material, flux or shielding gas, and cycle times stay short.
Other processes
Seam, spot and projection machines
Resistance seam welders
Continuous or roll-spot welds formed between rotating copper disc electrodes. They produce gas-tight circular or longitudinal seams, on standard or custom machines.
Spot welders
AC and DC spot welders for small to large production, with electrodes and tooling set up for the material thickness and part shape.
Projection welders
Heat is localized at raised projections, so thicker sections, several welds in one cycle, and studs or nuts can be welded. Manual or automated, with custom fixturing.
Support
Application engineering, operator training and parts supply come with every machine. Service teams handle commissioning, maintenance and process troubleshooting.


Common questions
How large a flash butt welder can you build?
The ten standard models, FBW1 through FBW10, go up to 200 ton upset force and 500 ton clamping. Machines outside the standard range are custom designed.
Can an existing flash butt welder be converted to MFDC?
Yes. Rebuilds can include a mid-frequency DC power supply and an Assurance Plus control. The rebuild page lists the conversion options.
Do you train operators?
Yes. Training programs, commissioning and process troubleshooting are available from the service team.
Get a quote: Resistance welding equipment
Prefer to talk? Call (217) 446-9500, 7:30 a.m. to 4:30 p.m. CST.
- What you need: a new machine, a rebuild, service or parts.
- The part and process: material, size and production rate.
- For parts: the machine's description, model number and serial number. Photos help.