Nelson offers a complete line of portable and feed stud welding systems to meet even the most demanding of stud welding performance requirements. We also offer custom-designed systems for a variety of end use applications including fixed manual and automatic feed systems for high production environments.

Moreover, we have developed a patented drawn arc tack and TARC® welding system for use in high volume robotic welding applications.

Our full range of systems include portable equipment for electric arc, capacitor discharge and gas arc or short cycle stud welding processes. The Nelson Series 4000-6500, and NCD+ models offer feature rich equipment yet provide maximum portability and functionality in a compact space.

Under our Nelweld® brand, we offer a complete line of intelligent drawn arc welding systems using microprocessor based technology that has proven to be more reliable and repeatable than conventional solid state systems. The Nelweld® system can be custom designed to meet your specific requirements utilizing an extensive array of accessories and “add-on” components including our Nelware™ software, which can intelligently monitor, calibrate and troubleshoot your welding processes. Our Nelweld system can be custom tailored to your specific needs — meaning you don’t pay for unwanted features or struggle with a system that does not have the exact performance features you need. Energy-efficient inverters save operating costs and the environment.

Although feature-rich, the simplicity of our Nelweld® design requires minimal operator training and interface to programme and manage your stud welding processes effectively. Using easy-to-read push buttons, operators can customise Nelweld® to monitor up to 30 different parameters and can preset up to six different welding application conditions.

Nelweld® Features and Benefits

  • Innovative User Interface
  • Microprocessor controls and monitoring
  • Built-in diagnostics for up to 30 parameters
  • Modular construction
  • Six preset programs
  • Patented two-wire gun circuitry
  • Cooler gun operation
  • Lock out features

To speak to someone immediately about Nelweld, please call 1.800.NEL-WELD (1.800.635.9353).

For more information about specific models and design specifications, please visit our Model Details section.

Custom-Designed High Production Systems

If you are a large volume OEM using stud welding in your manufacturing process, you need to talk to us! We can help you build the most cost-effective high-production welding system available. We have worked with large-volume OEM customers around the globe to build stud welding systems that are second to none.

Our production systems incorporate stud welding guns, electronic/pneumatic feed mechanisms and solid state power/control units that perform reliably on close tolerance and high-speed assembly lines. We have helped world-leading OEMs to build stud welding systems that not only solve often times complex manufacturing problems but also save valuable time and money. We can provide fixed or robotic multiple guns and systems with either manual or automotive feed systems. Moreover, we can help you design and build a pre-engineered modular production system from in stock components that gets you up and running in no time. Typically, design and assembly lead times for complex modular production systems can range from six to nine months – we can cut that time to only a few weeks and can reduce your system's cost by as much as 75 per cent!

We have also patented a revolutionary drawn arc tack welding procedure for high speed production using robotic welding that is unmatched in our industry. In drawn arc tack welding, components are attached prior to final welding, thus eliminating the old practice of manually positioning the components with guides or fixtures – meaning faster production times, tighter tolerances and lower instances of defects.

To learn more about how we can help you save money and improve your manufacturing process, talk to one of our experts by visiting our worldwide contacts section.

Nelson Stud Welding

Model Details

For more information about our specific models and design specifications, please use the links provided below.

We also offer custom designed systems for a variety of end use applications including fixed manual and automatic feed systems for high production environments.

Electric Arc

Up to 38" Pitch Diameter for Steel/Stainless. Up to 14" Pitch Diameter for Aluminum. Exclusive Input Charger System
Nelweld 4000
316" to 78" Diameter. Single or Dual Gun. Manual or Auto-Feed Systems.
Nelweld 6000
316" to 1" Diameter. Single or Dual Gun. Construction Job Site. Large Volume Industrial Applications.
Six Gunner
Expands Single Gun Nelweld 4000 and 6000 to Six Outlet Capacity. Manual Feed Applications Only.
Automated Boiler System
38" and 12" Automated Weld Systems That Feed and Weld Special Fasteners
Series 4000
12 Gauge through 12" Diameter. Light and Heavy Gauge Metals. Single Phase Transformer Rectifier Power Source
Nelware Software
Nelware Advanced Controls Interface.

Capacitor Discharge

NCD+ 1000
Up to 14" Diameter. Small Diameter Light Gauge Metals. Light Weight and Portable.
NCD+ 1600
Up to 516" Diameter. Small Diameter Light Gauge Metals. Light Weight and Portable.
NCD+ 3200
Up to 38" Diameter. Automation Capability with Auto-Feed Components. Light Gauge Metals.
New cordless pin welder attaches wide variety of insulation pins with rechargeable lithium ion battery power.

Inverter Welding

Servo Electric Automated Stud Welding Systems

The new N4s systems feature process monitoring and self-compensating designs to ensure the weld quality for every weld. The N4s system is capable of feeding and welding fasteners with weld bases ranging from 332" (3mm) to 12" (12mm).
Additional Information

Portable Inverter Welding

18" to 12" Diameter Fasteners. Constant Current via Closed Loop Microprocessor Control System. Ethernet Connectivity with Software to Provide Quality Control. One Man Portability Increases Mobility.

Portable Inverter Welding

18" to 34" Diameter Fasteners. Portable Equipment for Industrial, and Shipbuilding Applications. Microprocessor Controller, with Weld Monitoring. Auto-Feed Capability for Variety of Studs
N1500i Portable Inverter
Additional Information
N1500i Auto Feed
Compact Generator

Drawn Arc

Series 4500
18" through 12" Diameter. Low Volume Applications. Fully Integrated.
Series 4800
Up to 58" Diameter. Short Cycle. Manual or Auto-Feed systems. Available for rent, not purchase.
Series 4900
Up to 78" Diameter. Short Cycle, Versatile, Mid-Range System. Available for rent, not purchase.

Arc Weld

Diesel Generator for Job Sites with Limited Power.

TARC Welding

TARC Welding
TARC Welding Video
Single or Dual Gun. Manual or Auto-Feed Systems.

Automated Welding Cell

Automated Welding Cell
Nelcell is custom designed to meet your production needs and increases your manufacturing efficiency.

Stud Weld Accessories

Nelson is the only manufacturer in the world that makes ceramic ferrules for stud welding applications. In addition, we offer a complement of accessories for use in stud welding equipment, which is listed below by category.

  • Stud Weld Gun Chucks
  • Feet
  • Ferrule Grips and Holders
  • All Accessories
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