{"id":30054,"date":"2026-06-03T16:03:09","date_gmt":"2026-06-03T14:03:09","guid":{"rendered":"https:\/\/www.lampert.info\/micro-tig-welding-vs-fiber-laser-a-comparison-of-the-lampert-micro-arc-welder\/"},"modified":"2026-07-29T14:22:55","modified_gmt":"2026-07-29T12:22:55","slug":"micro-tig-welding-vs-fiber-laser","status":"publish","type":"post","link":"https:\/\/www.lampert.info\/en\/micro-tig-welding-vs-fiber-laser\/","title":{"rendered":"Micro TIG welding vs fiber laser: a comparison of the Lampert Micro Arc Welder"},"content":{"rendered":"\t\t
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Micro TIG welding vs fiber laser: a comparison of the Lampert Micro Arc Welder<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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In short:<\/strong> for repairs, mobile applications, and small- to medium-sized batch sizes, the Lampert Micro Arc Welder is the significantly more cost-effective choice, offering weld quality comparable to that of other methods for most applications. The fiber laser is the better choice for high-volume production runs with consistent geometry and a fully automated production line. <\/p>

The most common question when making a purchasing decision for industrial applications: micro-TIG welding (also known as micro-pulse welding) or fiber laser<\/strong>? Both processes produce welds with minimal distortion and no need for rework; the difference lies in investment costs, mobility, workpiece flexibility, and safety requirements. This comparison shows when the Lampert Micro Arc Welder is the more cost-effective choice and when investing in a fiber laser is worthwhile. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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How the two methods differ<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Fiber laser<\/h3>

A laser beam guided through a fiber is focused onto the material via an optical system. The high energy density melts the metal at a very small spot. Fiber lasers are energy-efficient, can be automated, and are ideal for series production with consistent geometry. Prices start at approximately 12,000 EUR for a professional handheld system; stationary and automated systems range from 20,000 to 80,000 EUR and up, plus a safety enclosure, a filtration system, and, if necessary, a laser safety officer. <\/p>

Lampert Micro Arc Welder (MAW)<\/h3>

An electronically ignited arc transfers energy to the workpiece via a tungsten electrode under argon inert gas, in individual pulses of 0.1 to 34 milliseconds. The metallurgical process of melt formation is identical to the laser, only the energy source differs. Acquisition from approx. 7,000 EUR, mobile table design, eye protection standard with CE conformity, no cabin required. <\/p>

The key question is rarely which process is technically better<\/em>, but rather which one suits my production volume, the size of my workshop, and my budget<\/em>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Detailed comparison<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Criterion<\/th>Lampert Micro Arc Welder (MAW)<\/th>Fiber laser<\/th><\/tr><\/thead>
Purchase<\/strong><\/td>starting at approx. 7,000 EUR<\/td>Starting at approx. 12,000 EUR, stationary models up to 80,000 EUR<\/td><\/tr>
Operating costs<\/strong><\/td>low (argon, electrodes)<\/td>medium (maintenance, optics, filters, argon)<\/td><\/tr>
Quality of results<\/strong><\/td>very good<\/td>very good<\/td><\/tr>
Minimum material thickness<\/strong><\/td>0.1 mm<\/td>< 0.1 mm displayable (depending on optics and pulse regime)<\/td><\/tr>
Heat input<\/strong><\/td>minimal (pulses)<\/td>minimal (focused)<\/td><\/tr>
Warpage<\/strong><\/td>very low<\/td>very low<\/td><\/tr>
Variety of materials<\/strong><\/td>Very high (12 material programs)<\/td>very high<\/td><\/tr>
Aluminum<\/strong><\/td>dedicated (aluminum mode)<\/td>possible, with setup effort<\/td><\/tr>
Mobility<\/strong><\/td>10.9 kg, portable<\/td>Stationary system<\/td><\/tr>
Workpiece size<\/strong><\/td>unlimited (device comes to the workpiece)<\/td>limited by working chamber<\/td><\/tr>
Protective measures<\/strong><\/td>Standard eye protection (microscope or helmet)<\/td>Laser housing, special goggles, laser safety officer if necessary<\/td><\/tr>
Teach-in curve<\/strong><\/td>very fast (1 to 2 hours)<\/td>medium to high<\/td><\/tr>
Maintenance effort<\/strong><\/td>low<\/td>higher (optics, adjustment)<\/td><\/tr>
Space requirement<\/strong><\/td>Desktop unit<\/td>System with protective cabin<\/td><\/tr>
Series production<\/strong><\/td>Limited suitability (mostly for stitching applications)<\/td>Very suitable<\/td><\/tr>
repair work<\/strong><\/td>ideal<\/td>good (stationary)<\/td><\/tr>
Inert gas<\/strong><\/td>Argon (inexpensive, automatically regulated)<\/td>Argon or sometimes not required for the process<\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Inert gas in process comparison<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Lampert Micro Arc Welder:<\/strong> argon \u2265 99.9 % (argon 4.6), approx. 2 l\/min, automatic pre- and post-flow. A 10 l bottle typically lasts several weeks to months. Operating costs low and predictable. <\/p>

Fiber lasers:<\/strong> inert gas is not strictly necessary for the process because the focused laser beam does not ionize the atmosphere via an arc. Nevertheless, a cross-jet (compressed air) or argon curtain is often used, primarily to protect the focusing optics from soot and for materials susceptible to oxidation (titanium, stainless steel in exposed seams). <\/p>

Practical implication:<\/strong> for titanium, stainless steel, and reactive materials, both processes require argon; the only difference is in the logistics. For stainless steel in repair shops where visual inspection is not required, the fiber laser can operate without an inert gas, which eliminates the need for argon logistics but increases the risk of discoloration. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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When the Lampert Micro Arc Welder is the better choice<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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