380V Butt Welding Machine Forced Water Cooling
Product Parameters
| Parameter Item | Unit | Specification / Typical Range |
| Rated Capacity | kVA | 35 / 50 / 75 / 100 / 150 (Model Dependent) |
| Input Voltage | V | 380V (Single-phase/Two-phase) 50/60Hz |
| Max. Welding Cross-section | $mm^2$ | Mild Steel: 50–500 / Copper & Aluminum: 20–200 |
| Duty Cycle | % | 20% - 50% |
| Air Source Pressure | MPa | 0.5 – 0.8 |
| Max. Upsetting Force | N | 2,000 – 15,000 (Pneumatic Drive) |
| Clamping Force | N | 3,000 – 20,000 |
| Heat Adjustment Steps | - | 1–8 Steps or Stepless (Microcomputer Control) |
| Cooling Method | - | Forced Water Cooling |
| Cooling Water Flow | L/min | 5 – 15 |

Product Description
The Butt Welding Machine delivers flawless, high-strength joints for critical components. Utilizing advanced resistance heating and programmable upset pressure, it creates molecular-level bonds between metal workpieces. Designed for critical components like automotive connecting rods and cutting tools, it ensures weld strength equal to or exceeding the base material, this Resistance Butt Welding Machine ensures weld integrity that matches or exceeds the base material. Its intelligent controls and seamless automation integration guarantee consistent, high-quality results, boosting your production line's output and reliability from day one.
Core Selling Points
1.High-Rigidity Vertical Clamping System
Dual-cylinder vertical pressure ensures uniform force distribution, preventing workpiece slippage or misalignment during high-intensity upsetting.
2.Advanced PLC & HMI Digital Control
Fully adjustable parameters for preheating, flashing, and upsetting via a user-friendly touchscreen, ensuring high consistency across batches.
3.Superior Joint Quality & Conductivity
Delivers clean, oxide-free joints with mechanical strength and electrical conductivity nearly identical to the base material—ideal for high-demand Busbar applications.
4.Heavy-Duty Industrial Cooling
Equipped with a full-circuit internal water-cooling system for the transformer and electrodes, supporting high-frequency, continuous production cycles.
Industries & Applications
1.Automotive Manufacturing
Engine connecting rods, piston rods, transmission shafts, axles, tie rods.
2.Tools & Hardware
Wrench, plier, and screwdriver handle joining.
3.Cutting Tool Industry
Drill bit, reamer, saw blade welding (steel-to-steel, carbide-to-steel).
4.Fasteners & Machinery
Anchor chains, hydraulic rods, rack bars, high-strength bolts.
Why Choose Haifei Machine?
1.Deep Application Expertise
With 16 years in metal joining, we solve real production challenges.
2.Technology Leader
We invest in R&D, owning core inverter and control technology for superior performance.
3.Custom Solution Provider
Strong engineering team delivers everything from stand-alone units to turnkey automated cells.
4.Unmatched Support
We partner with you from initial sample testing and training to rapid after-sales service.
FAQ
Q:How does AI-driven adaptive control improve butt welding consistency?
A:Real-time AI sensors automatically adjust welding parameters (current/pressure) during the flash process to compensate for material variations, ensuring zero-defect joints.
Q:Can butt welding machines handle dissimilar metals like Copper to Aluminum for EV busbars?
A:Yes, specialized MFDC or flash butt welders create high-conductivity molecular bonds between copper and aluminum, which is essential for lightweight EV battery packs.
Q:What are the energy-saving benefits of modern MFDC butt welders compared to AC models?
A:MFDC technology reduces energy consumption by up to 30% and offers a more stable heat input, helping factories meet stricter 2026 carbon emission standards.
Q:How do I integrate a butt welding machine into an automated robotic production line?
A:Modern welders feature standardized PLC interfaces (like Profinet or EtherCAT) that allow seamless communication with robotic arms for fully autonomous loading and welding.
Q:What is the maintenance cycle for water-cooling systems in high-frequency butt welders?
A:To ensure 24/7 operation, cooling systems should be inspected quarterly for scale buildup and flow rate to prevent transformer overheating and electrode wear.
Q:Are there portable or compact butt welders for onsite infrastructure repair?
A:New high-power density designs have reduced machine footprints, allowing for compact yet powerful units capable of welding large-diameter rods in field conditions.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
