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How You Can Choose The Appropriate Carbide Burrs?




Carbide burrs, also called carbide rotary burrs are used with high-speed electric mills or die grinders to process metal, wood, plastics, etc. Carbide rotary burrs are popular in machinery, automobile, shipbuilding, chemical industry, craft carving, and other industries. Selecting the most appropriate carbide burr for your project is crucial. There are many options for choosing a high-quality tungsten carbide rotary burr.


Shapes of tungsten carbide rotary burrs
The contour in the carbide rotary burr needs to be driven by the form of the workpiece. When processing the internal arc surface, a semi-circular burr or round burr (small diameter workpiece) ought to be used; when processing the interior corner surface, triangular burrs should be selected; when processing the inner right angle surface, an appartment burr and square burr might be selected. Once the flat burr can be used to chop the inner right angle surface, it is crucial to produce a narrow surface (smooth edge) without teeth close to one of the inner right angle surfaces, in order to avoid damaging the correct angle surface.

Tooth thickness of carbide rotary burrs
The thickness of burr teeth should be determined based on the allowance sized the workpiece, machining accuracy, and material properties. The coarse tooth carbide burr works for machining workpieces with large allowance, low dimensional accuracy, large form and position tolerance, large surface roughness value, and soft material; otherwise, fine-tooth carbide burr ought to be selected. When used, it must be chosen in accordance with machining allowance, dimensional accuracy, and surface roughness needed by the workpiece.

Sizes of carbide burrs
The scale and specification of cemented carbide rotary burr ought to be selected in accordance with the height and width of the workpiece and machining allowance. Once the machining size is large along with the allowance is big, cemented carbide rotary burr having a large size must be selected, or perhaps a tungsten carbide rotary burr with a small size ought to be selected instead.
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