ROUND TOOLS NORTON WINTER PRECISION TECHNOLOGY TOOL GRINDING / 23 NORTON WINTER DIAMOND DRESSING SYSTEM (DDS) The Diamond Dressing System (DDS) allows CNC dressing of diamond grinding wheels directly on production grinders. Despite the extreme hardness of diamond in both cases, the same physical correlations are found when dressing “softer“ abrasive materials such as Al2O3, SiC, SG, TG and cBN. Even when dressing specifically designed diamond grinding wheels with the DDS roller dresser, the result can be influenced by overlap rate and speed ratio. DRESSING PARAMETERS Speed ratio: qd = 0.6...0.9 Overlap rate: Ud = 2...6 Dressing infeed: aed = 1...5 µm PROFILE EXAMPLES CNC-precision dressing on the production machine - greater profile accuracy - very easy to automate - dressing with production speeds Layer rim Clamp collar Body Fixing screw PLEASE NOTE Further information and types of form rollers for CNC dressing can be found in catalogue ‘Dressing Tools for Dressing Grinding Wheels’. Type A Type B Type C Type D OD concentricity 0.01 0.01 0.01 0.004 Bore tolerance H5 H5 H3 H3 Radius No Yes No Yes VERSIONS OF STANDARD SHAPES ADVANTAGES: • Controlled concentration of diamonds • Extremely high accuracy as the diamond layer is ground” • Free standing diamond layer, so dressing of concave and convex profiles is possible” • Constant layer width • Dressing of “dressable” diamond grinding wheels • Diameters from 90 mm – 225 mm • Layer widths from 0.8 mm – 1.2 mm • Radii depending on layer width 0.4 mm – 0.6 mm The DDS dressing disc has a patterned single-layer sintered diamond coating that is clamped into a two-part steel body. runout R Hx D X T U concen- tricity
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