What is a glitch
Small particles with protrusions on the surface of the workpiece, especially the edges, may have hook-like protrusions.
Causes of burrs
Metal materials have ductility, toughness, and plasticity, properties that cause metals to deform unevenly during CNC machining. Ductility, in particular, acts to stop cutting and cause burrs on escaped parts.
Solutions
1.Tool review
Check whether the tool is sharp and hard enough, and adjust the contact angle of the tool during machining to improve the effectiveness of cutting.
2.Cutting oil
When the tool is cutting, heat will be generated due to friction, and if the heat is not dissipated in time, the cutting may not be smooth and deformed. Therefore, cutting oil is generally sprayed at present. Wet machining is less prone to burrs than dry machining, and properties such as oil amount and viscosity also affect it.
3.Load adjustment
The load of the tool will change due to the deformation of the material, the speed of the tool and the depth of cut, and it needs to be adjusted if necessary.
4.Design
For example, rounded corners are less prone to burrs than right angles, so it is a good idea to avoid right angles if possible.
5.Deburring
If burrs cannot be avoided due to the nature of the material or processing, deburring (grinding, polishing, sandblasting, etc.) is performed after processing. In addition, deburring programs can be added for CNC machines and multitasking machines.
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