Rotary Friction Welding – Complete Industrial Solutions
Contract Manufacturing Services
Since 1992, Harlo has been providing rotary friction welding services — from process development and prototype manufacturing to pilot and high-volume serial production.
Friction welding operations are performed on in-house designed and built friction welding machines, fully compliant with EN ISO 15085-2, ensuring maximum precision, consistency, and repeatability in every application.
Complete Integrated Solutions
Harlo delivers complete friction welding solutions — from process planning and parameter optimization to in-process monitoring, quality control, and final inspection.
Our engineering expertise covers every stage of the process, providing our partners with efficient, reliable, and cost-effective production results.
Friction Welding Machines
Harlo’s latest generation of rotary friction welding machines represents decades of continuous design and process development.
Each system is engineered and manufactured by Harlo to the highest industry standards, incorporating premium components from leading global suppliers to ensure process reliability, precision, and long-term performance.
Every machine is custom-built and optimized for specific product and material requirements.
Harlo systems are in operation worldwide — across the United States, Europe, and the Middle East.
Many of these machines are integrated into robot-assisted, multi-shift production environments, delivering short cycle times, low maintenance demand, and consistent, repeatable results even under demanding industrial conditions.
Key Advantages of Implementing Friction Welding with Harlo
Harlo’s friction welding technology is built on proven engineering foundations and decades of expertise in process and machine development.
Our advanced technology and know-how ensure repeatable weld quality, process stability, and optimized production performance across all applications.
- Consistent weld quality — integrated monitoring and closed-loop control ensure stable, uniform, and traceable process parameters.
- Certified expertise — all operations are supervised by qualified welding engineers.
- Superior joint strength — friction welds achieve metallurgical bonds that can exceed the strength of the base materials.
- Dissimilar material capability — enables joining of material combinations beyond the limits of conventional fusion welding.
- High-volume efficiency — ideal for serial production with predictable, repeatable cycle times.
- Precision alignment — angular positioning accuracy within ±0.5° ensures perfect assembly geometry.
- Clean finishes — integrated flash removal reduces or eliminates the need for post-machining.
- Energy-efficient process — achieves high-quality joints with minimal energy consumption.
- Environmentally responsible — no shielding gas, filler, or flux required, minimizing environmental impact.
- Process stability — advanced control systems maintain consistent welding parameters for reproducible results.
- Continuous innovation — over sixty years of development keep our technology at the forefront of friction welding.
- Automation-ready — designed for seamless integration with robotic and multi-shift production environments.
- Compact, durable design — robust construction ensures long service life and low maintenance demand.
- Comprehensive support — from process development and parameter optimization to commissioning and after-sales service.
- Global reliability — Harlo systems operate successfully in demanding industrial environments across three continents.
