The Sunstone Pro-S is a servo-powered weld head that provides high-end features at a mid-range price. Available in an opposed configuration, the Pro-S provides quality welding results for automated, high-production environments or as a tabletop solution for smaller shops. Built-in monitoring comes standard with the Pro-S. Any manufacturer that utilizes resistance welding in their manufacturing process will see immediate efficiency gains with the Pro-S. 

Key Features 

• Force Feedback Monitoring 
• Displacement Feedback 
• Pull Positional Monitoring 
• Faster Operational Speed 
• Increased Precision vs Pneumatic-Powered Weld Heads 
• Adjustable Weld Head Force between 1.8 to 29.2 lbs (8 to 130 N) 
• Positional displacement accuracy of 60 µm 
• 2” stroke (50 mm) 
• Automation-Ready 
• Rotary Knob Height Adjustment 
• Multiple Electrode Configuration Possibilities 
• Optional Foot Pedal Control 

Application Ideas 

• Cross wires 
• Battery Tabs 
• Medical  
• Strap Welds 
• Strain gauges 
• Electronic components 
• Foil welds 
• Sheet Welds 
• R&D Work 

Product Specifications

Tabletop Footprint (L x W x H)	14 x 5 x 24 in
Weight	22 lbs (10 kg)
Weld Force	1.8 to 29.2 lbs (8 to 130 N)
Max Electrode Stroke	2" (50 mm)
Electrode Diameter	1/8 in
Power Input	48 VDC @ 1.87 A
Max Throat Size (H x D)	9 x 10 in
Weld Cable Size/Length	0 AWG / 24 in
Foot Pedal Type	Analog/Digital
Duty Cycle	100%
Electrode Speed	Home to Hover Point: 3–20 mm/sec
Operating Temperature	0 to 65°
Positional Displacement Accuracy	60 µm
Actuation Method	Automatic or Direct

Pro-S Users Guide

Pro-S Data Sheet