SMSP Laser Welding Technology: Brighter Welds, Lower Energy, Greater Precision

Precision and efficiency aren’t optional for Sunstone's line of Orion LZR laser welders—they’re foundational. Every laser welding system we support is designed to deliver exceptional performance while reducing energy consumption, material waste, and unnecessary heat input.

Building on the proven advantages of Smooth Spot technology, a new pulse innovation—SMSP (Smooth Modulated Soft Pulse)—takes laser welding performance to the next level. SMSP further refines beam quality, enabling cleaner, shinier, and more durable welds while using less power.

What Is SMSP Technology?

Smooth Spot technology has long allowed operators to precisely control shot diameter, producing a laser beam that is smooth, uniform, and highly consistent. The result is improved weld accuracy, better repeatability, and reduced thermal impact on the workpiece.

In the image above, you can see how Smooth Spot technology—or SMSP technology—creates a uniform, consistent weld across the face of the nugget. In this infrared image, red, orange, and yellow represent effective weld areas (hottest portions of the weld). The nugget on the right shows how SMSP focuses the energy compared to the nugget on the right where the energy is diffused and less effective in creating a quality weld.

SMSP technology builds on this foundation by introducing a new pulse profile that delivers energy in a more gradual and controlled way. Instead of a sharp energy spike, SMSP distributes power smoothly and consistently throughout the pulse, maintaining precision while minimizing heat buildup.

This advanced pulse control is now standard in the latest-generation laser welding systems, delivering higher surface quality without sacrificing strength or reliability.

How SMSP Improves Weld Quality

SMSP pulses operate at lower current levels and deliver energy steadily rather than aggressively. This has several important effects:

• Reduced overheating of the welded surface

• Energy concentrated exactly at the weld point, with minimal dispersion

• Exceptionally clean welds with no burnt edges

• Consistent pulse behavior, even at higher frequencies

The result is a weld that looks better, performs better, and requires less post-processing.

Ideal Applications for SMSP Technology

Because of its softer, more controlled energy delivery, SMSP is especially effective for applications where heat sensitivity and surface finish matter most, including:

Filigree and hollow chain welding
Delicate components are highly vulnerable to excess heat. SMSP’s gentle pulse minimizes deformation and material damage.

Overlay welding with filler wire
Precise shot control and reduced edge burning make SMSP ideal for controlled material buildup.

Laser polishing and surface refinement
The smoother beam dramatically reduces “burnt” effects, producing brighter, more uniform finishes.

The Advantages of SMSP at a Glance

SMSP technology isn’t just about better welds—it’s about smarter welding. By optimizing how energy is delivered, it improves efficiency, reduces wear, and lowers operating costs.

With SMSP-equipped laser welders, you can:

• Reduce heat input for less aggressive welding

• Achieve brighter, shinier welds with minimal discoloration

• Improve energy efficiency without compromising weld strength

• Lower electrical consumption by approximately 20%

• Extend lamp life by up to 20%, thanks to reduced current demand

• Operate at higher laser frequencies, with increases of up to 20%

Precision That Saves Energy—and Delivers Results

SMSP technology represents a smarter approach to laser welding: less energy in, better results out. Welders benefit from improved surface quality, reduced power consumption, and longer component life—all while maintaining the strength and reliability demanded in precision manufacturing.

Sunstone believes advanced welding technology should work harder and smarter. SMSP is a perfect example of how thoughtful engineering can deliver measurable performance gains, improved sustainability, and superior weld quality—every time.

Explore Smarter Laser Welding with SMSP Technology

Ready to achieve cleaner welds, reduced heat input, and lower energy consumption? Explore the Orion LZR PRO, equipped with advanced pulse technology, and see how precision engineering can elevate your results.

Text or Call +1 801-658-0015 to learn more.