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TELWIN DIGITAL MODULAR 400 400V: Spot Welding Precision and Power for Professionals
The TELWIN DIGITAL MODULAR 400 400V spot welder comes from Italian engineering and is built for demanding industrial and workshop work. If you need consistent quality, reliability and repeatability on every spot, this model answers that. No more overheated sheet metal, no more lost time, the DIGITAL MODULAR 400 moves your work to a different level of efficiency.
Picture a machine that adjusts the welding parameters on its own and gives you a sound joint every time, whatever small differences there are in sheet thickness or surface condition. With microprocessor control and its own algorithms, the TELWIN DIGITAL MODULAR 400 cuts the risk of faulty spots and keeps output high. It is a tool that covers the everyday range of work, from thin body panel sheet through to thicker structural parts.
Investing in the DIGITAL MODULAR 400 gets you a rigid frame, straightforward operation and precise adjustment of every part of the welding cycle, so that even complicated jobs get done faster. It suits professionals who do not accept compromises on joint quality and durability, and anyone who expects industrial precision in their own projects.
See what TELWIN technology can change in your workshop. Power, precision and reliability make every spot a record of your work. The DIGITAL MODULAR 400 is more than a spot welder, it stands for solid results and satisfaction with the finished job.
Advanced Capabilities of the TELWIN DIGITAL MODULAR 400 400V
Fuzzy Logic Control: A Sound Spot Every Time
The Fuzzy Logic control in the TELWIN DIGITAL MODULAR 400 changes the way the machine reaches a repeatable spot. Instead of holding rigidly to the values you set, it reads the conditions in the weld zone and corrects welding current and welding time automatically. In practice, if sheet thickness varies slightly or the surface carries light contamination, the system adjusts the energy itself to keep joint quality where it should be.
For a professional that ends the trial and error stage. You save time on setup, you reject fewer parts and you know that each spot meets the strength and quality standard you work to. On thin body panels or on solid steel components alike, Fuzzy Logic keeps the process repeatable and dependable, which matters in series production and in safety relevant repairs.
Power and Versatility for Every Job
The TELWIN DIGITAL MODULAR 400 400V is built for heavy work. A maximum welding current of 9400 A and a maximum welding power of 47 kW let you join steel sheet of up to 6 mm total thickness (2×3 mm) quickly and securely. Those figures open up applications from automotive work, through steel fabrication, to specialist reconditioning shops.
The modular arm design (350 mm as standard) also lets you adapt the machine to the parts in front of you. Arms of different length and shape are available as accessories, which extends the working reach and gets you into spots that are hard to access. Combined with pneumatic electrode clamping that holds a steady, adjustable force, you keep full control of the process and get strong, uniform joints whatever the size and shape of the part.
Full Control of the Welding Cycle: Precision at the Highest Level
Spot quality comes from managing every stage of the process. The TELWIN DIGITAL MODULAR 400 gives you full digital control over all the key parameters of the welding cycle. You set the squeeze time, the current slope time, the weld time itself, the welding current, and optionally the cooling time between pulses in pulse mode and the hold time at the end.
That level of control counts on demanding materials such as higher strength steels (HSS, AHSS), stainless steels and galvanised sheet. Fine tuning the parameters keeps the zinc coating from burning away, limits thermal distortion and helps you reach a sound weld nugget structure. For a professional that means taking on complicated jobs while holding the quality and process standard, which carries straight through to the durability and safety of the finished part.
Technical Specification
| Parameter | Value |
|---|---|
| Product name | TELWIN DIGITAL MODULAR 400 400V |
| Catalogue number | 823017 |
| EAN code | 8004897465661 |
| Supply voltage | 400 V (3-phase) |
| Mains frequency | 50 / 60 Hz |
| Rated power X=50% | 15 kW |
| Maximum welding power | 47 kW |
| Maximum welding current | 9400 A |
| Secondary open circuit voltage | 3.2 V |
| Duty cycle (at rated current) | 3.5 % |
| Maximum welding thickness (2 sheets) | 3 + 3 mm (low carbon steel) |
| Standard arm length | 350 mm (arms of other lengths can be fitted) |
| Electrode force (with 120 mm arms, 6 bar) | 120 daN (adjustable) |
| Control | Microprocessor, digital |
| Parameter adjustment | Weld time, welding current, squeeze time, cooling time (optionally with pulse) |
| Cooling | Air (water cooling of arms and electrodes can be connected - option) |
| Insulation class | H |
| Protection degree | IP22 |
| Overall dimensions (L x W x H) | 790 x 320 x 1280 mm |
| Weight | 110 kg |
Key Features and Benefits
- Digital Microprocessor Control with Fuzzy Logic: the microprocessor with the Fuzzy Logic system optimises the welding parameters, current and time, according to the material thickness it detects. For a professional that simplifies the work, removes manual correction when sheet thickness varies slightly and keeps nugget penetration and strength consistent across different parts. Setup takes less time and scrap goes down.
- High Welding Current and Power: the machine delivers a maximum welding current of 9400 A and a power of 47 kW, enough to join steel sheet up to 3+3 mm. For a specialist that covers everything from thin body panels to more demanding structural parts, with deep and durable joints.
- Precise Welding Cycle Adjustment: full control over every phase of the cycle, squeeze time, current slope time, weld time, welding current, cooling time and final hold time. You match the process to the material you are joining, for example high strength, stainless or galvanised steels, and you keep distortion and overheating down, which shows in the quality and the appearance of the spots.
- Pulse Welding Mode (optional or built in depending on configuration): pulse operation gives better control over the heat put into the spot, which counts on materials sensitive to overheating such as high yield strength steels (HSS/UHSS) and galvanised sheet. The result is a smaller heat affected zone, less distortion and better protection of the anti corrosion coating.
- Modular Arms and Solid Construction: arms of different length and shape (350 mm as standard) let you adapt the machine to varied parts and to places that are hard to reach. The industrial frame keeps the machine stable, extends its service life and holds parameters steady under heavy use in workshop and production conditions.
- Effective Cooling (optional water cooling): the machine is air cooled as standard, and the design allows water cooling of the arms and electrodes to be added. For work in continuous mode or at high currents that means longer electrode life, steadier welding parameters and higher duty without the risk of overheating.
Applications
- Body and paint shops (body repair, panel replacement)
- Production and conversion of special vehicles
- Light and medium steel fabrication
- Parts made from thin and medium gauge sheet
- Domestic appliance industry and metal enclosure production
- Metalwork shops and contract spot welding
- Production of ventilation and air conditioning components
Summary: TELWIN DIGITAL MODULAR 400 400V - Your Best Investment
The TELWIN DIGITAL MODULAR 400 400V is an investment in reliable, precise spot welding. Fuzzy Logic control, high power and full parameter adjustment cover the work of a professional workshop and of a production plant. Raise the standard of your work, cut errors and get more done. Choose the TELWIN DIGITAL MODULAR 400 and see the difference that Italian technology and engineering make. Contact us to learn more and to agree the configuration you need.
Catalogue number: 823017
EAN code: 8004897465661
