ServoWeld® Resistance Spot Welding Actuators
High-Force Servo Actuators for Robotic Resistance Spot Welding
Tolomatic ServoWeld® resistance spot welding actuators combine servo motor technology with high-force linear actuation for robotic welding systems. Their compact profile and servo-controlled motion support faster resistance spot welding cycles while providing the force required for demanding automotive manufacturing applications. ServoWeld actuators are designed for robotic resistance spot welding and automotive body-in-white (BIW) assembly, where repeatable motion, high force, and compact equipment are important.
Product Lineup
Compact Integrated Servo Actuator for High-Force Resistance Spot Welding
Tolomatic CSWX Compact ServoWeld® integrated servo spot welding actuators deliver high-force performance in a compact package for robotic resistance spot welding (RSW). The latest-generation ServoWeld actuator uses a modular design to accommodate project variations while combining an integrated servo motor with a roller screw for high dynamic load capacity. The compact actuator is designed for demanding automotive body-in-white welding and other high-cycle resistance welding applications.
- Forces up to 4,047 lbf (18 kN) for high-force resistance spot welding
- 30+ million welds in typical welding applications with proper maintenance
- Standard roller screw provides a high dynamic load rating for extended welding cycles
- Roller screw design supports more welds compared with competing roller screws, ball screws, or pneumatic actuators
- Skewed motor windings designed for welding minimize motor cogging for improved force repeatability
- Compact integrated servo motor design saves space in robotic welding systems
- Modular construction accommodates project and application variability
- Optional water cooling for demanding welding applications
- Optional force feedback for monitoring and controlling weld force
- Designed for robotic resistance spot welding and automotive body-in-white (BIW) applications
Compact Integrated Servo Actuator for High-Force Resistance Spot Welding
Tolomatic CSW Compact ServoWeld® integrated servo spot welding actuators deliver high-force performance in a compact package for robotic resistance spot welding (RSW). The latest-generation CSW combines an integrated servo motor with a roller screw to provide high dynamic load capacity for demanding, high-cycle welding applications. Its modular design accommodates project variability while providing a compact solution for automotive body-in-white (BIW) assembly and robotic welding systems.
- Forces up to 3,507 lbf (15.6 kN) for high-force resistance spot welding
- 20+ million welds in typical welding applications with proper maintenance
- Standard roller screw provides a high dynamic load rating for extended welding cycles
- Roller screw design supports more welds compared with competing roller screws, ball screws, or pneumatic actuators
- Skewed motor windings designed for welding minimize motor cogging for improved force repeatability
- Compact integrated servo motor design for space-conscious robotic welding systems
- Modular construction accommodates project and application variability
- Optional water cooling for demanding welding applications
- Designed for robotic resistance spot welding and automotive body-in-white (BIW) applications
Lightweight Servo Actuators for High-Performance Resistance Spot Welding
Tolomatic SWA and SWB ServoWeld® integrated servo spot welding actuators combine a lightweight design with high-force performance for robotic resistance spot welding (RSW). The integrated servo motor and standard roller screw provide high dynamic load capacity and repeatable force for demanding welding applications. With multiple actuator options, SWA/SWB models allow welding system designers to balance actuator weight, performance, and application requirements.
- Forces up to 4,000 lbf (17.8 kN) for high-force resistance spot welding
- 20+ million cycles for SWA models with proper maintenance
- 10+ million cycles for SWB models with proper maintenance
- Standard roller screw provides a high dynamic load rating for extended welding cycles
- Roller screw design supports more welds compared with competing roller screws, ball screws, or pneumatic actuators
- Skewed motor windings designed for welding minimize motor cogging for improved force repeatability
- Lightweight actuator design helps reduce robotic system weight
- Integrated servo motor provides controlled, efficient welding motion
- Optional water cooling for demanding welding applications
- Multiple SWA/SWB configurations for balancing weight and performance
- Designed for robotic resistance spot welding and automotive manufacturing applications
SWA/SWB Maximum Stroke
SWA/SWB Maximum Force
SWA/SWB Maximum Speed
Lightweight Guided Servo Actuator for Robotic Resistance Spot Welding
Tolomatic ServoWeld® GSWA33 guided resistance spot welding servo actuators provide high-force welding performance in a lightweight package designed for robotic welding systems. With peak thrusts up to 2,100 lbf (9.3 kN), the GSWA33 helps support faster robot movement and weld schedules while handling multiple welding schedules and material thicknesses. Its standard roller screw provides high dynamic load capacity, while optional internal guidance provides thrust-rod anti-rotation for pinch, X-gun, and C-gun resistance spot welding applications.
- Forces up to 2,100 lbf (9.3 kN) for resistance spot welding applications
- 20+ million cycles with minimal maintenance
- ±3% force repeatability over the life of the actuator
- Standard roller screw provides high dynamic load capacity for extended actuator life
- Lightweight actuator design helps enable faster robotic movement and weld schedules
- Optional internal guide provides thrust-rod anti-rotation
- Optional enclosed anti-rotate assembly for applications requiring thrust-rod guidance
- Optional water cooling for demanding welding applications
- Suitable for pinch guns, X guns, C guns, and other resistance spot welding guns
- Broad performance range accommodates different weld schedules, materials, and material thicknesses
- Supports 7th-axis operation integration with most major global robot manufacturers
GSWA33 Maximum Stroke
GSWA33 Maximum Force
GSWA33 Maximum Speed
High-Force Servo Actuators for Robotic Resistance Spot Welding
Tolomatic ServoWeld® GSWA04 and GSWA44 spot welding servo actuators deliver high-force, efficient motion for demanding robotic resistance spot welding (RSW) applications. With peak thrusts up to 4,000 lbf (17.8 kN), these actuators support pinch guns, X guns, C guns, and other resistance welding systems. A standard roller screw with high dynamic load capacity provides long operating life, while the broad performance range supports multiple weld schedules and varying material types and thicknesses.
- Forces up to 4,000 lbf (17.8 kN) for high-force resistance spot welding
- 20+ million cycles with minimal maintenance
- Standard roller screw provides high dynamic load capacity for extended actuator life
- ±3% force repeatability over the life of the actuator
- Lightweight actuator design for robotic welding applications
- Optional water cooling for demanding welding environments
- Broad performance range supports multiple weld schedules
- Accommodates different materials and material thicknesses
- Suitable for pinch guns, X guns, C guns, and other resistance spot welding applications
- Supports 7th-axis operation integration with most major global robot manufacturers
GSWA44 & GSWA04 Maximum Stroke
GSWA44 & GSWA04 Maximum Force
GSWA44 & GSWA04 Maximum Speed
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