Seam Welding Robots

“Speed-Weld” High Speed Seam Welding Robot

Nachi Speed-Weld is a revolutionay new variation of the resistance welding process known as Resistance Seam Welding (RSW).  Using Nachi Speed-Weld current is intermittently passed between rotating electrode wheels creating a high strength and leak tight continuously welded seam.  Speed-Weld technology creates leak tight hermetically sealed joints ideal for fuel tanks and other fluid containment vessels.

Technical Highlights

High Speed Welding

Up to 20 Meters per minute.  When used in spot mode, Nachi Speed Weld is the fastest spot welding robot ever made.

High Speed Welding

Unmatched Flexibility

First ever robotically mounted seam welding gun provides unmatched flexibility.

Unmatched Flexibility

Reduced Weight

Advanced high frequency design operates at 3,000Hz drastically reducing weight.

Reduced Weight

Improved Allowable Duty Cycle

Dual transformer design significantly improves allowable duty cycle for long continuous welding typical of seam welding applications.

Improved Allowable Duty Cycle

Ease of Use

Servo driven synchronized roller electrodes dynamically adjust rotational speed for welding complex shapes and curved surfaces.

Ease of Use

Electrodes

  • Electrode wear compensation function automatically adjusts rotational speeds for changes in electrode diameter

  • Electrode speed automatically compensates varied thickness of steel sheet

  • Long-life heavy-duty power supply unit

  • Non-slip welding with dual electrode operation

Electrodes