Here at R.P Abrasives, we lead the industry with innovative finishing techniques and processes which transform and improve the surface of metal and plastic parts and components. Today we’re taking a closer look at the deburring process; one of our most popular finishing services.
What is Deburring?
Deburring is a process used to remove pieces of material from the surface of a metal or plastic part. These unwanted pieces are referred to as “burrs” which may occur because of dull tooling or because an area is difficult to reach using conventional machine deburring. Often they are removed during the machining process like milling, grinding, and turning by adding a deburring tool or brush in the tool holder of the machine. When a burr cannot be removed during machining a finishing or deburring step must be added. This is where RPA comes in as we asses the problem and decide the best method for removing the burr while holding all the tolerances of the part. In might be removed by hand, tumbling, bead blasting, or perhaps a combination of several steps. Deburring services are employed when a client requires their product, part, or component to be smoother and free of bumps and jagged pieces (burrs). Deburring is one of the most popular metal finishing processes because manufacturers in nearly every industry require their products to meet certain specifications for safety, aesthetic quality, and functionality.
Some of the most common concerns about deburring are whether burrs can be removed from hard to reach areas, and if deburring will compromise the integrity or tolerance of the part. By using a combination of advanced mechanical processes, burrs can be removed and the desired finish can be achieved without compromising the part in any way. Using innovative technologies like microscopic deburring and high resolution micro cameras, even the smallest parts and components can be effectively deburred. In order to ensure all tolerances and specifications meet our high standards, a Quality Control Department thoroughly examines all deburred parts.
Since all parts are different and every client has different needs, deburring techniques and processes are tailored to each specific product.
For hand deburring, a variety of tools are used, some of which are handheld, and others which are mechanical. Tools like a buffing jack and non-woven wheel can be used in conjunction with small hand-held tools to get into difficult crevices, achieving a precise result that machines alone couldn’t produce.
Batch deburring, also known as “mass finishing” begins with tumbling, a process which achieves overall smoothness. Depending on the size of the part or the number of parts to be tumbled, different types of tumblers are used. Tumbler types include vibratory – which used vibration to tumble the parts, high energy, and centrifugal. If tumbling isn’t an option, parts can also be deburred with processes like basket blasting (sometimes called tumble blasting) where parts are held in a mesh basket while being “blasted” with abrasive material, or ultrasonic deburring, which blasts away burrs with ultrasonic energy.
If you have additional questions about the deburring process, or which type of deburring will be best for your part, or product component, contact us today!