Hardware fitting for detecting mechanical property of bar material and using method thereof
A technology of mechanics and performance, applied in the field of metal fittings for testing the mechanical properties of bars, can solve the problems of poor shear resistance, large bending radius of profiles, and limited application and promotion of materials, avoiding stress concentration, easy preparation, and operability. strong effect
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[0042] A metal fitting for detecting the mechanical properties of a bar, which includes a base 1, a briquetting block 2, a mandrel 3 and an inner tapered nut 4, such as figure 1 As shown, the upper part of the base 1 is provided with a connector 13, a plurality of draw-in slots 8 are evenly divided around the lower part, and an inner screw hole 9 is provided at the center of the bottom surface; as image 3 and Figure 5 As shown, the upper end of the mandrel 3 is threadedly connected with the inner screw hole 9, and the center line of the mandrel 3 coincides with the center line of the base 1, and the outer surface of the mandrel 3 is equally divided into a plurality of convex surfaces with the same shape. In the clamping area 11, a boss 12 is provided between every two convex clamping areas 11, and the number of the convex clamping areas 11 matches the number of the card groove 8 and the pressing block 2 respectively; as figure 2 and Figure 5 As shown, the briquetting blo...
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