Spot welding with a soft touch and less flash
With capabilities for 'soft touch' welding and higher quality welds with reduced expulsion, servo welding offers faster cycle times, programmability, reduced costs, and superior force repeatability.
Tol-O-Matic has announced the SW Series Servo Welding Actuator - a patented new design that offers compact design, significantly extended service life and zero maintenance. Available in high performance roller screw or a ball screw models, the SW Series actuator features rated life at weld force exceeding 10 million cycles for the roller screw and 5 million for the ball screw when side loading is within specification. In many applications, service life can exceed these levels.
The SW Series Actuators incorporate an 8-pole Nd-Fe-B hollow core rotor with skewed stator laminations that provides low cogging torque. This design results in superior force repeatability of +/-3.0% over millions of weld cycles, with actual field results to +/-1.5%, independent of position. The design also results in greatly improved weld quality, offering weld force up to 2,500 lbf (11.12kN) and peak force of 4,400 lbf (19.57kN).
Joining Tol-O-Matic's successful HT Series Actuators, our new SW Series represents a technology leap in electric servo actuators, explained Dan Cass, Business Development manager - Servo Actuators. Electric servo welding in both robotic and fixture applications is rapidly replacing pneumatically-operated spot welding.
The SW and HT servo's capabilites for 'soft-touch' welding and fully programmable weld gun operation offer improved weld quality, fast cycle times, and reduced weld expulsion. Servo welding also offers environmental advantages with reduced compressed air leakage, abated noise and less exhaust contamination, noted Dan Cass.
The SW Actuator's integral anti-rotation feature reduces weld gun costs and envelope dimensions. The compact design, built on a 4.4in face (111.76mm) and weighing 31 lb (14.06 kg), is ideal for robotic, fixture and hand-gun welding, as well as pneumatic cylinder retrofitting. With a standard 6in stroke (152.4mm), the OAL of the SW is less than 15in (381mm), not including any feedback device. SW is available in low (325V DC) and high voltage (680V DC) models.
Designed for zero maintenance during the length of its service life, the SW Actuator is lubed and sealed. It requires no water or forced cooling, and features manual override and bumpers for 'hard-over' situations with no special tools needed.
Users of the SW Servo Actuator may choose to operate the device through the 7th axis in a robot or with a weld controller.
For easy system integration, the Tol-O-Matic SW Actuator supports feedback options and interfaces with all major robot and weld controller suppliers. In addition, the company offers a WeldAxis controller that supports the use of the SW servo and incorporates a controller + PLC + drive for optimum force and repeatability control.
More information here...
Tol-O-Matic has announced the SW Series Servo Welding Actuator - a patented new design that offers compact design, significantly extended service life and zero maintenance. Available in high performance roller screw or a ball screw models, the SW Series actuator features rated life at weld force exceeding 10 million cycles for the roller screw and 5 million for the ball screw when side loading is within specification. In many applications, service life can exceed these levels.
The SW Series Actuators incorporate an 8-pole Nd-Fe-B hollow core rotor with skewed stator laminations that provides low cogging torque. This design results in superior force repeatability of +/-3.0% over millions of weld cycles, with actual field results to +/-1.5%, independent of position. The design also results in greatly improved weld quality, offering weld force up to 2,500 lbf (11.12kN) and peak force of 4,400 lbf (19.57kN).
Joining Tol-O-Matic's successful HT Series Actuators, our new SW Series represents a technology leap in electric servo actuators, explained Dan Cass, Business Development manager - Servo Actuators. Electric servo welding in both robotic and fixture applications is rapidly replacing pneumatically-operated spot welding.
The SW and HT servo's capabilites for 'soft-touch' welding and fully programmable weld gun operation offer improved weld quality, fast cycle times, and reduced weld expulsion. Servo welding also offers environmental advantages with reduced compressed air leakage, abated noise and less exhaust contamination, noted Dan Cass.
The SW Actuator's integral anti-rotation feature reduces weld gun costs and envelope dimensions. The compact design, built on a 4.4in face (111.76mm) and weighing 31 lb (14.06 kg), is ideal for robotic, fixture and hand-gun welding, as well as pneumatic cylinder retrofitting. With a standard 6in stroke (152.4mm), the OAL of the SW is less than 15in (381mm), not including any feedback device. SW is available in low (325V DC) and high voltage (680V DC) models.
Designed for zero maintenance during the length of its service life, the SW Actuator is lubed and sealed. It requires no water or forced cooling, and features manual override and bumpers for 'hard-over' situations with no special tools needed.
Users of the SW Servo Actuator may choose to operate the device through the 7th axis in a robot or with a weld controller.
For easy system integration, the Tol-O-Matic SW Actuator supports feedback options and interfaces with all major robot and weld controller suppliers. In addition, the company offers a WeldAxis controller that supports the use of the SW servo and incorporates a controller + PLC + drive for optimum force and repeatability control.
More information here...
posted by Scott at 3:23 PM
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