b'\x1b\x1a\x19 \x1f\x18\x1d\x17\x16Ask the Grinding DocI once met a guy at IMTS who said his shop was running a 1917 Blanchard every day.will give you a larger grit penetra- 13. If you use this method, begrinding scratches, or tear-outs, in tion depth. careful of tear-outs. Upon firstthe workpiece. If this is a problem, 12. Yes, you can dress a Blanchardcontact with the workpiece, a freshlyleave more stock.wheel/segment. In some opera- dressed wheel will break in, in14. Take all this advice with a grain tions, I recommend it. Rough-grindwhich the fragile grit tips break offof salt. Blanchard-style grinding away almost all your material, leav- the wheel, possibly leaving deepseems to have a mind of its own. ing maybe a thousandth. Dress yourThese trends and general advice wheel to remove the taper. A totalapplyexcept when they dont.dress depth of twice your effec- about the authorI love Blanchard machines. They tive depth should be enough. De- are beasts and just seem to run and crease your plunge speed. RemoveJeffrey Badger,run, sort of like Cincinnati center-the last thousandth of material, andPh.D., is an inde- less grinders. I once met a guy at then spark-out for a while. What willpendent grindingIMTS who said his shop was running happen is youll get a much betterconsultant. Fora 1917 Blanchard every day. Its pos-surface finish. Why? Its not the slowmore informa- sible. Blanchard Machine Co. was tion, visit www.plunge speed thats doing it. Its thatTheGrindingDoc. founded in the 1890s, and the basic youre grinding on a flat, not a taper. com. design hasnt changed much.CTEHIGHEST PRECISION FOR MOST DEMANDING APPLICATIONSState-of-the-art and trendsetting high-tech solutions for various induriesfor over 100 years.www.agathon.com18SEPTEMBER 2023 GrindingDoc.indd 18 8/15/23 1:07 PM'