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Failure Forms of Carbide End Mills
Wear refers to the peeling or pitting of the surface material caused by the friction caused by the relative movement between the tool and the workpiece;
Release time:
2022-10-20
The failure modes of cemented carbide end mills are wear, chipping and damage:
1. Wear refers to the peeling or pitting of the surface material caused by the friction caused by the relative movement between the tool and the workpiece;
2. Chipping is a damage phenomenon caused by the cutting force exceeding the strength of the material;
3. Damage refers to the damage to the surface of the parts due to mechanical vibration, impact and other reasons.
Wear is the main failure mode of carbide end mills. The phenomenon that gradually intensifies with the prolongation of use time and finally leads to fracture and scrapping is called wear failure (or wear). There are many reasons for wear loss: such as improper installation position and cutting amount, etc. will accelerate the damage process, especially during rough machining, more attention should be paid to preventing damage caused by vibration of the machine tool spindle and violent swing of the feed mechanism; secondly The thermal stress caused by the inhomogeneity of the workpiece material will also speed up the process; in addition, there are fatigue damage caused by improper operation or environmental factors.
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