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 right carbide burr for the project is important. There are several means of deciding on a high-quality tungsten carbide rotary burr.
Shapes of tungsten carbide rotary burrs
The design with the carbide rotary burr ought to be dependant on the design from the workpiece. When processing the inner arc surface, a semi-circular burr or round burr (small diameter workpiece) must be used; when processing the interior corner surface, triangular burrs must be selected; when processing the interior right angle surface, a set burr and square burr could be selected. When the flat burr can be used to chop the inner right angle surface, it’s important to create a narrow surface (smooth edge) without teeth near one of several inner right angle surfaces, to be able to avoid damaging the proper angle surface.
Tooth thickness of carbide rotary burrs
The thickness of burr teeth ought to be determined in accordance with the allowance sized the workpiece, machining accuracy, and material properties. The coarse tooth carbide burr is suitable 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 should be selected. When used, it needs to be chosen in accordance with machining allowance, dimensional accuracy, and surface roughness essential for workpiece.
Sizes of carbide burrs
The scale and specification of cemented carbide rotary burr ought to be selected based on the height and width of the workpiece and machining allowance. In the event the machining dimension is large as well as the allowance is big, cemented carbide rotary burr with a large size ought to be selected, or even a tungsten carbide rotary burr using a small size needs to be selected instead.
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