b'Driven to Finish to the life of the product. California. There were cases where thousands of engine blocks werent Smooth the Burrs deburred properly and now they The array keeps contact with theIn the past, deburring was treatedhave to go back to fix them. That part and Norton Finium for a givenas an afterthought in the automotivegets costly very quick.amount of time, generating the de- industry. The focus always had beenFrom the standpoint of quality, sired finish. on more efficiently making partsautomakers can track engine fail-Polishing is a rubbing or abra- and vehicles, but nowadays man- ures to the tiniest burr in a camshaft. sion process where the cutting fluidufacturers review costs and workWith possibly thousands of complex (mineral seal oil or polishing oil), thehours for all aspects of production.parts, an engine can be affected by Finium abrasive and resin from theAnd manual deburring is time-in- one particular cross-hole shaving bond form a flurry, and thats whatstensive and subject to human error. that enters a timing system and can doing the finishing, Goetz said.Weve realized that many shopscause the entire engine to fail.Typically, were only taking off be- werent factoring in the cost ofImproving those cross-holes tween 3 and 5 m when were lap- someoneinthedeburringde- gets us one step closer to increased ping. By polishing, you get a betterpartmentmanuallydamagingreliability, Kroll said. Higher-qual-surface condition and the engineor scraping the parts, said Stanity reliable parts made economi-runs more true. In turn, it cuts downKroll, partner and general managercally and quickly is the goal.on the vibration and noise and addsof J.W. Done Corp. in Hayward,Traditional deburring methods Marking Head technology (below left) uses custom stamps or standard type to mark numbers, date codes and other information on a workpiece.ScribeWriter (below center) can be used for scribing, allowing a faster approach to a workpiece and the ability to mark on curved surfaces.Manufacturers use TapWriter (below right) for dot peen marking, creating dots on a workpiece.Tapmatic TapmaticTapmatic26DECEMBER 2022 Finishing.indd 26 11/15/22 2:29 PM'