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 traditionally used in machinery, automobile, shipbuilding, chemical industry, craft carving, and also other industries. Choosing the right carbide burr on your project is important. There are lots of methods for selecting a high-quality tungsten carbide rotary burr.
Shapes of tungsten carbide rotary burrs
The shape from the carbide rotary burr must be driven by the contour of 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 flat burr and square burr might be selected. When the flat burr is used to reduce the interior right angle surface, it is vital to generate a narrow surface (smooth edge) without teeth near to one of many inner right angle surfaces, so as to avoid damaging the proper angle surface.
Tooth thickness of carbide rotary burrs
The thickness of burr teeth should be determined in accordance with the allowance size 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 needs to be selected. When used, it should be chosen based on machining allowance, dimensional accuracy, and surface roughness needed by the workpiece.
Sizes of carbide burrs
The size and style and specification of cemented carbide rotary burr should be selected according to the height and width of the workpiece and machining allowance. When the machining size is large along with the allowance is big, cemented carbide rotary burr using a large size needs to be selected, or even a tungsten carbide rotary burr having a small size must be selected instead.
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