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The relation between bain size and surface roughness (Wet horizontal surface grinding of tool steel) |
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Surface roughness(µm) | -8 | 8-4 | 4-2 | 2-1 | 1-0.5 | 0.5- |
| Conventinal wheel | -#46 | #46-60 | #60-80 | #80-100 | #100-150 | #220- |
| CBN wheel | -#80 | #100-140 | #140-230 | #230-325 | #325-400 | #600- |