Bonded Abrasives / 223 www.nortonabrasives.com APPLICATION/GRIT RECOMMENDATION GUIDE COARSER (GRINDING) FINER (FINISHING) 24 36 46 60 80 100 150 Heavy Stock Removal Medium Stock Removal Light Stock Removal Deburring/Shaping Sharpening Final Finishing • Unsecured machines can move, causing grinding breakage and injury. Fixed-based bench and pedestal grinders MUST be secured. • Do not grind wood, plastic, or any other non-metallic material on a bench or pedestal grinder. • All bench and pedestal wheels must be dressed to prevent loading. Loading can cause excessive heat, damage to the workpiece, and wheel breakage. Dressing exposes new cutting edges and provides chip clearance. • Recommended starting dressing stick: 1” x 1” x 6” 37C24-SVK Part # 61463610462 SPEC CHECK MAX RPM WHEEL DRESSING Single Point Diamond Tools • Rigidly mount Single Point tools at a 10°-15° angle to the wheel centreline with a line drawn through the centre of the wheel, pointing in the direction of wheel travel • Point of contact should be slightly below centreline of the wheel • Use coolant whenever possible • Normal infeed is .001” per pass • Lead selections range from .002” - .010” per wheel revolution • Rotate the tool 1/4 turn periodically to maintain a sharp point • Use VBE, V, VS, VK bonds for general purpose applications or medium contact areas • Use VBEP, VSP, VS3P, VCP, VP2 bonds on wide contact areas where heat is an issue Dressing Ceramic Wheels • Use our specially designed Norton SG diamond tools when dressing ceramic wheels • When first using a Norton SG tool, make 3 to 5 passes at .005” infeed to ensure full face contact between the dressing tool and wheel face • Reduce normal dressing infeed by half. Do not exceed infeed of .002” per pass • The lead selection should be between .006” - .030” per wheel revolution. Faster traverse with Norton SG tools generally provides an open wheel face that can maximise productivity of the ceramic abrasive • To optimise applications using ceramic abrasives and/ or tools, normal dressing parameters must change. Reduce infeed by 25%. Significant reductions in the amount of infeed and frequency of dress will result in substantially lower cost per part ground • See the Fliesen Tool section for Furioso tools, engineered specifically for Quantum vitrified wheel dressing Multi-Point Diamond Tools • Most multi-point tools are used for straight face dressing • Tool should have full face contact with the wheel • With new tool, 3 to 5 passes at .005” per pass should be taken to expose diamonds • Infeed per pass .001” - .002” • Use coolant whenever possible • Use appropriate lead (and traverse rate) • Contact your Norton representative for proper tool selection for Targa (TG) wheels SPEC CHECK MAX RPM It is the user’s responsibility to refer to and comply with ANSI B7.1 BONDED ABRASIVES
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