Precision metal finishing is a crucial process for metal manufacturers who make aluminum components. It’s important that all of their metal products have a smooth and mirror-like surface finish with an impressive appeal that attracts more customers. Manufacturers achieve this through burnishing, which is one of the most effective methods of polishing and hardening metal surfaces.
How Does Burnishing Work?
Burnishing is a chipless machining method that allows for cold working of metal without abrading or cutting the surface. Metal manufacturers rely on burnishing to smooth out peaks and valleys left on aluminum components by the machining process. The metal surface is evened out without the parts of the metal being chipped away by the burnishing tools. The main types of burnishing tools for metal include OD and ID multi-roll burnishing, carbide roll burnishing, and diamond burnishing. These burnishing tools enhance the dimensional accuracy of metal surfaces, which gives aluminum components an appealing mirror-like finish.
Let’s look at the benefits of burnishing aluminum components and other metal products.
1. Burnishing Has a Shorter Cycle Time
As a manufacturer, your productivity is determined by how fast you finish your products. The more time you spend on the manufacturing process, the more money you will spend. As such, you need tools and equipment that increases the feed rate and minimizes the cycle time in your manufacturing process. Luckily, roller burnishing tools will help you achieve short lead times because you can finish your aluminum components in a single pass operation. This will expedite your finishing process, and in turn, boost your overall manufacturing capacity. Additionally, burnishing tools are compatible with most of the machine setups you use in your manufacturing process. As such, you will not have to invest in secondary machines to facilitate the burnishing process.
2. Burnishing Boosts the Corrosion Resistance of Aluminum Components
Since burnishing eliminates micro-notches and roughness on metal surfaces, the resistance to rust and other forms of corrosion is enhanced. Well-burnished aluminum components are least likely to have cracks and narrow crevices that may allow corrosion to take place. When metal products have a smooth surface, the rate of corrosion is limited because there will not be any cracks to trap dust and water particles. A well-smoothed surface also makes it easy for manufacturers to wipe off the grease, dust, and other impurities that may have accumulated during the finishing process.
3. Burnishing Enhances the Quality of a Product
Burnishing increases the surface hardness of aluminum components, thus increasing their resistance to fatigue and failure at stress points. Since burnishing is a cold-working process, it capitalizes on metals’ tendency to deform under stress instead of eating into the metal and chipping away the surface. This results in a smooth and polished finish with superior strength and high resistance to fatigue and failure. Consequently, the overall quality of metal products is enhanced because a burnished product is 50 to 100% harder than the unfinished products. Burnishing increases the longevity and service time of aluminum components.
4. Burnishing Enhances the Overall Aesthetics of Metal Products
Nobody wants to buy a product with a rough finish that can easily attract rust and other imperfections. Customers may judge the quality of a product from its outside appearance, so it pays to invest in burnishing. The good thing is that burnishing improves the aesthetics of aluminum products and boosts its resistance to stress and fatigue. For this reason, your well-finished products will record higher sales as compared to the unfinished aluminum components. It’s estimated that manufacturers contribute $2.17 trillion to the U.S. economy. Burnishing all of your metal products will put you in pole position to reap more profits from your manufacturing business.
As a manufacturer, precision finishing will help your products stand out in the market. It is important that you invest in burnishing tools to help you finish your aluminum components. Burnishing is cost-effective, time-effective, and boosts the quality of your products. Additionally, burnishing increases the corrosion resistance of aluminum components and enhances the overall aesthetics of metal products.