Research Article
Effects of Friction Plate Hardness and Surface Orientation on the Frictional Properties of Cereal Grain
Table 1
Hardness and surface roughness of friction plates (
).
| Plate no. | Tempering temperature (°C) | Hardness HV30 | Surface roughness (μm) of plates with different surface orientations | Parallel | Perpendicular |
| 1 | — | | | | 2 | 200 | | | | 3 | 300 | | | | 4 | 400 | | | | 5 | 500 | | | | 6 | 600 | | | |
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