Carbide burrs, also called carbide rotary burrs are widely-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 also other industries. Selecting the most appropriate carbide burr to your project is of great importance. There are several methods for deciding on a high-quality tungsten carbide rotary burr.
Shapes of tungsten carbide rotary burrs
The form from the carbide rotary burr must be dependant on the contour from the workpiece. When processing the interior 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 could be selected. When the flat burr is employed to slice the inner right angle surface, it is necessary to make a narrow surface (smooth edge) without teeth near to one of the inner right angle surfaces, so as to avoid damaging the best angle surface.
Tooth thickness of carbide rotary burrs
The thickness of burr teeth should be determined in accordance with the allowance height and width of the workpiece, machining accuracy, and material properties. The coarse tooth carbide burr is acceptable 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 necessary for workpiece.
Sizes of carbide burrs
The size and specification of cemented carbide rotary burr ought to be selected in accordance with the size of the workpiece and machining allowance. Once the machining sizing is large and the allowance is big, cemented carbide rotary burr which has a large size needs to be selected, or possibly a tungsten carbide rotary burr having a small size must be selected instead.
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