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Laser Seam Stepper
The Laser Alternative to Resistance Spot Welding
Laser Seam Steppers (LSS-5M) have been optimized for overlap welding of different materials such as aluminum, stainless steel, coated or hot formed steel as well as mixed joints. For more than 10 years Laser Seam Steppers have been established as an alternative for resistance spot welding. One area of application is automotive manufacturing, where millions of cars have already been welded with IPG Laser Seam Steppers.
Powered by IPG’s zero-maintenance lasers, Laser Seam Steppers provide consistent weld seam quality at reduced operating costs.
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Laser Seam Stepper Applications: Welding
Laser Seam Stepper (LSS-5M) is a welding system complete with processing head, laser, and system controller. The choice of C-Gun and Picker process heads are compatible with either two-side or single-side access, with pressure piece control and monitoring of clamping forces.
Integrated welding head control monitors for process head contamination, and laser chiller controller monitors water flow and temperature.
This is a fully-automated system with standard interfaces to all typical industrial robots.
Contact Your Local Laser Seam Stepper Engineer
Simplify your process by choosing the tool that accomplishes two tasks at once.
IPG’s efficient fiber laser technology reduces operating costs and eliminates laser maintenance downtime.
The Laser Seam Stepper is available either as C-Gun or Picker. Each can be configured with either one laser beam (1F) or one main beam and two smaller side spots that clean the material prior to welding (trifocal; 3F).
Technical Specification: Controller |
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Controller 1F |
Controller 3F |
Mode of Operation | CW/Modulated | |
Wavelength, nm | 1070 | |
Output Power Main Beam, kW | up to 3.5 | up to 3.0 |
Output Power Side Beam, kW | - | 2 × 0.25* |
Spot Size (Depends on Fiber & Optics), mm | 0.250–0.6 (0.01–0.023 in) | |
Power Consumption 3500 W Power, Laser Duty Cycle 30% (with chiller), kW |
3.5 | |
Dimensions, Controller L×W×H, mm in |
608 × 808 × 1335 | |
Cooling | Water-water with Integrated Chiller or Water-air without Integrated Chiller |
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Weight, kg | 250 |
Technical Specifications:
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C-Gun |
Picker |
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Adjustable Clamping Force (z-hub), kN lbf |
0.8–3.0 180–675 |
0.3–1.0 68–225 |
Max. Traversing (z-hub), mm in |
140 5.5 |
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Max. Welding Seam Length, mm in |
40 1.6 |
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Wobble Amplitude, mm in |
±1 ±0.04 |
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Wobble Frequency, Hz | 0–30 | |
Wobble Speed, mm/s in/min |
up to 60 142 |
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Focal Length, mm in |
250 or 300 10 or 12 |
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Compressed Air Consumption (Welding), 1/min. @ 6bar |
250 8.8 cfm at 87 psi |
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Weight, kg lbs |
63 138 |
47 104 |
*The trifocal option allows for several combinations:
LSS-5M Software
The LSS-5M software gives you complete control and regulation of all hardware and software components integrated into your system. This means that you will have only a single external interface for the status and control of all system components. The software allows for simple parametrization and inline monitoring of all relevant process parameters, enabling your machine operators to work with high precision and efficiency.
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