Machining Applications Views: 17

Can countersinks deburr hole mouths? What deburring methods exist? Hole-mouth deburring is one of the most basic countersink uses. Methods: 1) Countersink deburring - the most common: after drilling, lightly chamfer the mouth with a countersink - deburrs and cuts a small chamfer at once: efficient, effective; 2) Spot facer deburring - piloted spot facers locate accurately, deburr evenly: first choice for batch production; 3) Scraper deburring - manual triangular or round-hole scrapers: for small quantities, repairs and large holes; 4) File deburring - round or half-round files: for small and odd-shaped holes; 5) Sandpaper deburring - rolled sandpaper tube polishes the mouth: for high-finish precision work; 6) Abrasive flow deburring - high-pressure abrasive fluid flushes: for complex internal holes and cross holes: costly; 7) Electrolytic deburring - electrochemical dissolution: for high-precision hard-to-machine materials. Recommendation: batches - countersinks or spot facers; small repairs - scrapers and files; complex holes - abrasive flow.