Stud Welding Machine Overview
This page brings Taumaco's stud welding lineup into one clear comparison view. It separates drawn arc and capacitor discharge process types so visitors can choose by stud diameter, material thickness, heat input, end-use requirements, and power-source technology, with special attention on the advantages of SiC-powered stud welding models.
The current lineup covers two distinct stud welding directions: higher-energy drawn arc stud welding for thicker and more structural work, and capacitor discharge stud welding for thinner material, low heat input, and faster visible-finish production. Within this range, RSN-2500SiC stands out as the SiC-powered technology model.
Two stud welding process families with different application priorities
Instead of treating the range as one generic category, this overview separates the machines the way industrial buyers usually decide in practice: drawn arc first for larger studs and thicker workpieces, capacitor discharge second for thin sheet, low distortion, and cleaner visible surfaces.
RSN-2500SiC
Higher weld energy for larger stud diameters, thicker materials, and structural fastening, with Silicon Carbide technology adding stronger efficiency and premium positioning.
RSR-2500
Short-cycle welding with lower heat input for thin material, cleaner appearance, and faster repetitive production work.
Start with process fit
Choose by base-material thickness, stud diameter, and visible-finish demand before comparing power input, size, and production speed.
Every stud welding machine page in one overview
Each section below highlights how the process is typically used, then shows the key operating data buyers compare first, including where Silicon Carbide technology creates a stronger product advantage. The product-page links open in a new tab for easier side-by-side review.
Higher-energy stud welding for thicker workpieces and larger-diameter fastening
Drawn arc stud welding is generally preferred when the job involves larger studs, thicker base material, and more structural fastening requirements. It delivers a heavier weld deposit than capacitor discharge welding and is usually the better match for demanding industrial fabrication. In this lineup, RSN-2500SiC adds an extra technology advantage through its Silicon Carbide power platform.
| Model | Stud Diameter / Range | Input Power | Output / Energy | Product Page |
|---|---|---|---|---|
| RSN-2500SiCDrawn arc stud welding machine with Silicon Carbide semiconductor technology for industrial fastening, thicker workpieces, and more advanced power conversion. | 6mm - 22mm | AC 380V Three Phase | 200A - 2500A / 90 KVA | Open page |
Fast stud attachment with low heat input for thin sheet and cleaner surface finish
Capacitor discharge stud welding uses a very short welding cycle, which helps keep heat input lower and makes it especially suitable for thin sheet, finish-sensitive parts, and production jobs where appearance, speed, and low backside marking are important.
| Model | Material / Range | Input Power | Output / Energy | Product Page |
|---|---|---|---|---|
| RSR-2500Capacitor discharge stud welding machine for thinner material, faster cycles, and cleaner visible-finish production. | Carbon steel, stainless steel: 3-10mm; copper, aluminum alloy: 3-8mm | Single Phase 220V ±10% | 180A / 2500J | Open page |
Use the process difference to narrow the shortlist quickly
These two models are not competing in the same application window. The practical buying decision is usually simple once the process is matched correctly: drawn arc for heavier work and larger studs, capacitor discharge for thinner material and appearance-sensitive production.
| Comparison Point | RSN-2500SiC | RSR-2500 |
|---|---|---|
| Process Type | Drawn arc stud welding | Capacitor discharge stud welding |
| Typical Selection Logic | Thicker material, larger studs, structural fastening | Thin material, low heat input, cleaner finish |
| Stud / Material Range | 6mm - 22mm stud diameter | Carbon steel, stainless steel: 3-10mm; copper, aluminum alloy: 3-8mm |
| Power Platform | Silicon Carbide semiconductor technology | Capacitor discharge energy-storage system |
| Input Power | AC 380V Three Phase | Single Phase 220V ±10% |
| Key Power Data | 200A - 2500A RSN current range / 90 KVA rated input capacity | 180A output current / 2500J energy storage capacity |
| Machine Weight | 47.5 kg | 22 kg |
How to guide visitors toward the right stud welding machine
Keep the buying decision practical: confirm the process first, then the stud diameter and base-material thickness, then the production environment and finish requirement.
Separate drawn arc from capacitor discharge first
Use drawn arc when the application needs more weld energy and larger studs. Use capacitor discharge when the work involves thinner material, lower distortion risk, and faster visible-finish production.
Check stud size, thickness, and surface expectation
RSN-2500SiC covers 6mm - 22mm stud applications for heavier-duty work and adds a stronger technology position through its Silicon Carbide platform. RSR-2500 covers carbon steel and stainless steel at 3-10mm, plus copper and aluminum alloy at 3-8mm, for lighter and cleaner applications.
Confirm power input and production setup
Finish the selection by checking power supply, required production speed, accessories, operator workflow, and the package scope needed for the actual installation environment.
Verify process fit, package scope, utilities, and application suitability before order confirmation.
Published specifications, standard delivery scope, and accessory ratings are for reference only and may change without notice. Welding guns, earth cables, collets, chucks, studs, ferrules, control leads, and other accessories may vary by model, package, and destination market. Before ordering, confirm the required stud welding process, workpiece material and thickness, stud type and diameter, available power supply, expected production volume, finish-quality requirement, and applicable local compliance requirements for the intended application.