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Deburring and Finishing

    Removing burrs with pinpoint accuracy is integral to supplying products to your exact specifications. Machine Inc. is an expert at micro-deburring, ensuring that all components are completely deburred with the utmost precision, keeping the dimensional integrity of your part intact.


    Each piece is handled one-at-a-time, using specialized tools, and every component undergoes a strict visual inspection process. All work is monitored under magnification, with a big screen assisting to provide a high-level overview. Many of our customers are in industries, such as aerospace and medical, which have strict tolerances for form, fit, and function and depend on characteristics like even fluid or oxygen flow through all components and manifolds. We machine a wide range of manifolds and related components, and whether they are manifolds for precise control of gasses or fluids, we understand that there cannot be ANY burrs—and we guarantee it.

    Deburring under microscope

    Deburring is a process of precision, which requires skilled technicians to deburr the parts under a microscope via hand lapping, hand polishing, or by applying very small brushes and tools, or polishing wheels. 

    All manufactured components have some burring—it’s normal. Precision micro-deburring is a finishing process that removes any sharp edges left on parts during the machining operation. Types of burrs we remove:

    • Rollover: the most common type of burr, caused by a chip that is bent rather than sheared, resulting in a comparatively larger burr; also known as an exit burr because it is usually formed at the end of a cut in face-milling
    • Thread: a common problem with special threads with no thread form inserts; often the last thread of a part can be rolled over
    • Break-Out: also called a tear, formed when work material ruptures at the end of the cut
    • Fine feather : these are fine filaments of metal on edges, which can bulge at the sides

    Properly cleaning the part is crucial to ensure it adheres to the customer’s expectations. In order to remove contaminants such as grease, oil, dirt, debris, and other residues. The part is typically cleaned by utilizing a combination of water, detergents, solvents, and sometimes abrasives to clean the parts effectively. Employed methods may include immersion wash, ultrasonic, or spray. At Machine Inc., we evaluate what will be the best approach for each part’s cleaning needs.

    Beyond the deburring phase, Machine Inc. works closely with platers and surface coaters to ensure that your components are processed to exacting plating and finishing specifications, adhering to MIL specs and ROHS/NADCAP-approved sources. We work with carefully selected finishing sources and monitor their performance to ensure they maintain their position on our Approved Vendors List (AVL). After outside plating processing, your parts go through a final visual and dimensional inspection.

    When you entrust your machining to us, we know you are depending on us to deliver on all aspects of the job. Quality isn’t just a step in the process, it is at the core of how we operate. It’s Machine Inc.’s quality blueprint that provides you better service, part of our inherent value that makes us unique in this industry.

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