From flat faces to contours, roller burnishing tools improve finish, accuracy, and durability. Learn how to apply burnishing to your part.

The burnishing process is a precision cold working method that significantly improves the surface integrity of a material by imparting compressive residual stress. Unlike grinding or reaming, burnishing uses pressure from a hardened roller or ball to plastically deform the surface layer without removing material.

Burnishing stands out as a highly effective finishing method offering significant advantages over traditional abrasive techniques like grinding, honing, and polishing, particularly when focusing on reducing scrap and energy use. This cold-working process utilizes mechanical pressure to displace and smooth a surface, leading to a more efficient, consistent, and sustainable manufacturing operation.

In the landscape of modern machining, efficiency, cost-effectiveness, and quality are paramount. While traditional finishing methods like grinding and polishing have long been the standard, they often introduce extra operations, increase cycle times set up time, and add to overall costs. A new hero in the machining process has emerged: burnishing. This process, which can be done in-machine, offers significant advantages in cost, time, and quality, making it a valuable addition to any machine shop's toolkit.

Burnishing stands as a highly effective finishing method for a wide range of ductile materials, enhancing surface finish, hardness, and fatigue life. However, the inherent properties of the workpiece material play a significant role in the burnishing outcome. When venturing into the realm of exotic materials, particularly those prevalent in demanding sectors like medical devices, aerospace, and specialized industries, specific considerations become paramount. Titanium, specialized Stainless Steels, and Inconel are among the most commonly encountered exotic alloys, each presenting unique challenges and opportunities for the burnishing process.

For manufacturers relying on the precision and enhanced surface properties delivered by OD burnishing, maintaining optimal tool performance is critical. When surface finish declines, tools seize, or part dimensions fluctuate, it impacts productivity and product quality. This guide provides a systematic approach to troubleshooting common issues encountered with OD burnishing tools, helping you diagnose problems and implement effective solutions.

In the demanding worlds of heavy equipment, aerospace, and advanced manufacturing, the reliability and performance of hydraulic and pneumatic components are paramount. OEMs are constantly seeking innovative solutions to enhance product lifespan, reduce maintenance, and optimize operational efficiency. Roller burnishing, a cold working process, is emerging as a key solution for boosting the durability and sealing integrity of critical components.

Roller burnishing, while a powerful technique for enhancing part durability and surface finish, can present certain challenges if not executed with precision. Understanding and addressing these common issues is crucial for achieving optimal results and avoiding costly rework.