Bonded Abrasives / 267 www.nortonabrasives.com All wheels with a 32mm bore are supplied with reduction rings 32/20mm to adapt the product to different spindle sizes. SIZE RANGE: 125 - 350mm GRIT RANGE: 36 - 120 Use the application guide below to identify the right abrasive for the metal type and removal rate. BENCH WHEEL RECOMMENDATION GUIDE STARLINE RANGE AVAILABILITY COARSER (GRINDING) FINER (FINISHING) 36 46 60 80 120 High Stock Removal Medium Stock Removal Light Stock Removal Deburring / Shaping Sharpening Metal Brown Aluminium oxide High Speed Tool Steels White Aluminium oxide Non-Ferrous Metals & Carbide Tooling Green Silicon carbide Plastic reduction rings may be used to adapt grinding wheels to fit on various spindle sizes. These rings reduce the bore hole size, allowing the wheel to be safely mounted on a spindle with a smaller diameter. REDUCTION RINGS • Reduction rings should never come in contact with the flange • Reduction rings should not be used on wheels of thicknesses less than 6mm, nor greater than 50mm • Always use one reduction ring on each side of the wheel when the wheel is thick enough to allow correct seating • Never use reduction rings to reduce the hole below the minimum specified in the FEPA safety code. WHEEL BORE (mm) REDUCED TO (mm) ART NO. 50,8 35 7660704766 32 25 7660717540 32 20 7660717538 31,75 15,88 7660704757 31,75 12,7 7660704755 20 16 7660717530 20 15 7660717529 20 13 7660717527 20 12 7660717525 20 10 7660717524 16 6 510008919 Reduced bore (mm) 15 20 Wheel bore (mm) • For wheels diameter 200mm and smaller. • B efore using the wheel for the first time, the face of the wheel needs to be ‘opened’ using a used wheel of a dressing stick • A ll 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. • D o not grind wood, plastic or any other non-metalic material on a bench or pedestal grinder • U nsecured machines can move, cuasing grinding breakage and injury. Fixed-based bench and pedestal grinders MUST be secured I t is the user’s responsibility to refer to and comply with ANSI B7.1 BONDED ABRASIVES
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