The working principle of grinding wheel
:yinglong :2018-02-13 10:45:35
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Abrasives |
Each abrasive becomes edge and able to grind workpiece. Abrasives are fallen off when these are worn down and lost sharpness, then these expose new cutting edges constantly (Self sharpening). |
| Binder, Bond |
Bond combines and holds the abrasives together.
The quality of wheels is controlled by the type and/or compounded
amount of bond.
|
| Pore |
Pore is a space of between abrasives. Shavings fall in the pores and are discharged while the rotations of wheel. Grinding wheel does not work without pores. |
2. Features of Grinding Wheels
| 1. | Abrasive grain is harder than workpiece. |
| 2. |
Abrasives are fallen off when these are worn down and lost sharpness, then these expose new cutting edges constantly. |
| 3. |
Grinding wheels have countless edges and depth of cut is low but these provide fast grinding speed, high performance and fine finish. |
| 4. | Most of heats generated by operations are absorbed into workpiece. |
3. Mechanism of Grinding Wheels
|
Glazing |
Abrasives on wheel face are lost sharpness. Wheel has shiny appearance and feels slick. |
| Clogging | Shavings or worn grains lodged in wheel pores. |
| Shedding |
Abrasive grains drop before wearing down.
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TAG: Grinding wheels
