

The HRLASER A3MD40i is the mid-power model of the A3Mi Series, engineered to deliver deeper penetration, higher efficiency, and outstanding welding performance. Equipped with HRLASER's exclusive D-Mode technology, it achieves 30% deeper weld penetration and 22% faster welding speeds while delivering higher photoelectric conversion efficiency for lower energy consumption. Designed for sheet metal processing, metal fabrication, hardware manufacturing, engineering equipment, and custom metalworking, the A3MD40i provides a stable, efficient, and professional laser welding solution for workshops and industrial production.
Exclusive high instantaneous power D mode optimized for medium-thick plate welding
• Penetration depth increased by 30%
• Maximum welding speed increased by 22%
• Effectively solve insufficient penetration for plates thicker than 3mm
• High efficiency, low energy consumption, deeper & uniform weld seams
Custom high-performance heat pipe radiator with dense copper tube arrays & advanced phase change materials
Intelligent real-time temperature control algorithm, stable laser output under extreme high/low temperature
Tank-free air cooling design, lightweight and easy to move anywhere
Material thickness adjustment has been upgraded from 1 mm to 0.1 mm increments for more precise process matching. The built-in parameter library has expanded from 110 to 538 presets, with four additional welding wire settings for greater process flexibility. Together, these enhancements deliver higher welding accuracy and consistently optimal results.
Compact all-in-one body, free from space restrictions for indoor and outdoor welding work
Integrated laser spot, collimating mirror & galvanometer structure, slimmer body, flexible operation, built-in galvanometer drive to shorten transmission path, stronger anti-interference & higher durability.
Dual drive motor delivers powerful, stable wire feeding performance
Fully enclosed protective housing, compatible with wire rolls up to 20KG
Coaxial wire feeding structure reduces internal friction, ensures jam-free smooth wire output