4. Milling power and pressure
4.1 Specific cutting pressure
The specific cutting pressure (K c ) is an important factor in calculating the power required for a milling operation, a factor which gives a measure of the machinability of a given material given the geometry and chip thickness chosen.
Specific cutting pressure is, by definition, the (tangential) force required to detach a chip with a cross-section of 1 square millimeter. In practice, this is the cutting force (F c ) required, divided by the surface area of the undeformed chip (A ) (figure 19 ). It is measured in N/mm 2 ...
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Milling power and pressure
Positioning the cutter
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References
In the Mechanical Engineering section of Techniques de l'Ingénieur
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