Branson Ultraweld L20 Spot Welder

The L20 Metal Welder is designed and built to assure you the highest degree of reliability and weld quality. It is used for a range of applications including wire termination, clock-spring assemblies, battery welding, aluminum welding, copper welding, and brass welding.

Availability: Estimated delivery time 2-3 weeks


Additional Info

Additional Info

Country of Manufacture
Miscellaneous Brands Branson
Miscellaneous Products Ultrasonic Welding
Page Layout No layout updates

Mating Connectors

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Required Components

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  • Actuation: Pneumatic
  • Cooling System: Air
  • Data Interface: USB, Ethernet
  • Frequency: 20kHz
  • Input Power: 200-230V, 50/60 Hz
  • Output Power: 3300W, 4000W, 5500W
  • Overall Dimensions: H283mm x W260mm x L468mm
  • Pneumatics Type: 5.5 bar (80 psi) clean, dry air
  • Special Feature: Password protection
  • User Interface: Touchscreen, LCD
  • Weld Modes: Time, Energy


  • A precision roller bearing slide to assure smooth operation and extreme accuracy
  • A dynamic spring with preload adjustment to permit ramping of ultrasonic power for optimum welds
  • Precise adjustments for accurate setting of both upper and lower positive stops. Conveniently located flow controls offering easy adjustment of head speed in both directions
  • A polar mounted ultrasonic stack to facilitate linear and axial setup and efficient transmission of ultrasonic energy to the horn
  • Titanium horns with low cost replaceable tips or solid tool steel horns for fast setup and minimum tooling cost
  • Fixturing which is changed quickly and easily for various applications by means of a dovetail mounting
  • Optional vortex cooling to allow high-speed operation without heat buildup
  • Ultraweld® L20 - 20 kHz Welding System rugged and easily tooled for a wide range of nonferrous welding applications