Weld Control Systems
ASSURANCE® Weld Control System
Assurance Plus ®
The Complete Weld Control System for Flash Or Butt (Upset) Welding
How do you improve on the world’s best butt (upset) weld control system? That was the question we asked ourselves when we did a complete redesign for the new Assurance Plus® system.
We started by keeping all of the features of our successful Assurance® control: our patented weld cycle logic and force controller; 16 channel diagnostic graphics system; and the flexible statistics packages. Further, we kept the same I/O pin-out specifications – allowing the system to be a drop-in replacement for previous generation Assurance® controls.
With these goals in mind, we redesigned our weld controller using state-of-the-art components to be low power and low heat – with no heat sinks or fans, resulting in a hardened design with all surface mount components and a low noise grounding system. We increased the accuracy of the input data converters by 16 times that of the previous system and added optical isolation between the controller and machine signals such that external machine noise cannot interfere with the controller. The weld controller was further designed to implement a TCP/IP server and allow the user interface and database operations to be located in a different machine. This change allows the weld controller to be located close to the signal sources and allows the human-machine interface (HMI) to be located where it is convenient for the operator, such as a pendant, or in an automatic systems remote.
To support the new HMI machine, we completely rewrote the Assurance user interface for Windows or other operating system platforms, with redesigned and simplified forms for better workflow. We implemented a user management password and security system for fine grained role-based permissions, added high quality printed reports on any device supported by Windows, and added support for touch screen based operation. The AP databases are now realized on a SQL Server database backend. The HMI is fully network enabled and can support remote service operation and access to the database, including by our rewritten offline/network based setup editing and weld database tools. Finally we added plug-in support for custom tagged weld data – allowing for example support for barcode or GPS tags to be applied to stored weld data. Plug-ins for custom post weld processing is also supported. These changes bring together the best of a time-tested welding control system with the modern user interface and storage features your company’s IT strategy requires.
If you are interested in upgrading your current weld control system with up-to-date technology, now is the time. We can retrofit your current Assurance System or any other system you may have. Just click on the “Request a Quote” button and we will get in contact with you. We will be happy to provide all the information you may need.




Precision Flash Welding. Redefined.
Overview
The ASSURANCE® Weld Control System is Automation International’s flagship solution for high-performance flash butt welding. Engineered for precision, reliability, and intelligent control, ASSURANCE® transforms traditional welding into a data-driven, adaptive process—ideal for demanding industrial applications.




Key Features
Advanced Weld Control
- Real-time thermal and force feedback
- Adaptive programming for dynamic process adjustment
- High-current capacity for heavy-duty welding
Multi-Computer Architecture
- DSP-Powered Weld Controller: Executes millisecond-precision control logic
- Industrial PLC Interface: Manages machine safety, hydraulics, and auxiliary systems
- PC-Based HMI: Intuitive touchscreen interface with graphical weld visualization
Data-Driven Intelligence
- Integrated Diagnostic Graphics for real-time and historical weld analysis
- Statistical Process Control (SPC) for proactive quality management
- Exportable data compatible with standard SPC software
Applications
ASSURANCE® is trusted across industries where weld integrity is mission-critical:
- Aerospace
- Agriculture
- Automotive
- Construction
- Furniture
- General Metalworking
- Military
- Wheel Manufacturing
- Rail Manufacturing
- Axle and Drivetrain Production
- Structural Tubing and Heavy Fabrication
Benefits
ASSURANCE® is trusted across industries where weld integrity is mission-critical:
Superior Weld Quality
Precise control of heat, force, and timing ensures consistent, high-integrity welds.
Operational Efficiency
Streamlined setup, reduced downtime, and optimized material usage.
Versatility
Adapts to a wide range of materials, geometries, and production requirements.
Proactive Quality Assurance
SPC tools enable early detection of process drift and continuous improvement.
Built in the USA. Supported Worldwide.
All ASSURANCE® systems are assembled and tested in the United States. We offer full-service support including:
- On-site commissioning
- Operator training
- Remote diagnostics and updates
Experience the Future of Flash Welding
The ASSURANCE® Control System isn’t just an upgrade—it’s a new standard. Discover how Automation International is helping manufacturers achieve unmatched precision, quality, and efficiency in flash welding.