The ServoWeld Advanced (SWA) actuator is based on the highest level roller screw technology available to deliver the maximum number of welds. The ServoWeld Base (SWB) actuator is built on an alternate roller screw design to provide longer life than typical ball screw and inverted roller screw technology, but at a more economical price than the SWA actuator.
The SWA and SWB ServoWeld models are available in two sizes: a smaller size 3 for lighter-duty weld schedules; and a size 4 for heavier-duty applications. Both sizes are available in a variety of roller screw thread pitches (5mm and 10mm), motor voltages (230Vac & 460Vac) and multiple options for rod ends, feedback & connectors, and water cooling. These models can produce actuator forces at the rod up to 4,000 lbf/17.8 kN, lasting 20+ million welds and holding +- 3% force repeatability over the life of the actuator. Each model comes equipped as standard with a re-lubrication port to easily service the actuator without disassembly from the weld gun to maximize its life.
• Tolomatic has extensive experience in the automotive resistance spot welding industry with its predecessor product, the GSWA ServoWeld actuator. Because of this experience, the ServoWeld SWA and SWB actuators have motor files for seamless robot integration with all the major suppliers including ABB, Comau, Fanuc, Kawasaki, Kuka, Motoman, Nachi and many more.
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