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


Shapes of tungsten carbide rotary burrs
The design from the carbide rotary burr ought to be determined by the design in 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 interior right angle surface, a set burr and square burr can be selected. Once the flat burr can be used to slice the inner right angle surface, it is vital to produce a narrow surface (smooth edge) without teeth all-around one of many inner right angle surfaces, in an attempt to avoid damaging the best angle surface.

Tooth thickness of carbide rotary burrs
The thickness of burr teeth ought to be determined according to the allowance sized the workpiece, machining accuracy, and material properties. The coarse tooth carbide burr would work 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 needs to be chosen based on machining allowance, dimensional accuracy, and surface roughness necessary for workpiece.

Sizes of carbide burrs
The dimensions and specification of cemented carbide rotary burr must be selected in line with the size the workpiece and machining allowance. In the event the machining dimensions are large and the allowance is large, cemented carbide rotary burr which has a large size ought to be selected, or a tungsten carbide rotary burr with a small size needs to be selected instead.
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