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Bullnose trim is used to provide a smooth, rounded edge for countertops, staircase steps, building corners, verandas, or other construction.Masonry units such as bricks, concrete masonry units or structural glazed facing tiles may be ordered from manufacturers with square or bullnosed corners.
In mechanical engineering, a fillet (pronounced / ˈ f ɪ l ɪ t /, like "fill it") is a rounding of an interior or exterior corner of a part. An interior or exterior corner, with an angle or type of bevel, is called a "chamfer". Fillet geometry, when on an interior corner is a line of concave function, whereas a fillet on an exterior corner is ...
Plastic material suppliers and molders are the authority on what is the lowest acceptable draft. In most instances, 1degree per side will be sufficient, but between 2 degree and 5 degree per side would be preferable. If the design is not compatible with 1 degree, then allow for 0.5 degree on each side.
For standardized testing of fracture toughness by the Charpy impact method, specimen and notch dimensions are most often taken from American standard ASTM E23, or British standard BS EN ISO 148-1:2009. For all notch types, a key parameter in governing stress concentration and failure in notched materials is the notch tip curvature or radius. [1]
A chamfer with a "lark's tongue" finish. A chamfer (/ ˈ ʃ æ m f ər / SHAM-fər or / ˈ tʃ æ m f ər / CHAM-fər) is a transitional edge between two faces of an object.Sometimes defined as a form of bevel, it is often created at a 45° angle between two adjoining right-angled faces.
The sharp corner at the brick has acted as a stress concentrator within the concrete causing it to crack. The de Havilland Comet aircraft experienced a number of catastrophic failures that were eventually found to be due to fatigue cracks growing from the high stress concentration caused by the use of punched rivet holes around the windows. The ...
Edge Rounding, Edge rounding refers to the radius increase of cutting edge of the tool due to material removal. Edge rounding combines wear contribution from both flank face and rake face. Edge rounding is mostly found in machining of composite, i.e. Carbon Fiber Reinforced Plastics (CFRP), hybrid composite, metal-CFRP stack like CFRP-Ti stack.
A shearing or punching process is used in a press, so as to cut vertically down and perpendicular to the surface, working from the edge of a work-piece. Sometimes the goal is merely the notch itself, but usually this is a precursor to some other process: such as bending a corner in sheet or joining two tubes at a tee joint, notching one to fit ...
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