Connecting structure of composite material joint
A composite material and connection structure technology, applied in the direction of connection components, threaded fasteners, nuts, etc., can solve the problems of thread damage, thread load, etc., to avoid wear resistance, strong bearing capacity, and avoid low thread strength Effect
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[0048] Example 1
[0049] Metal insert 3 is a stepped metal insert, which is pre-buried in the composite material joint with a flange thickness of 20mm. Metal insert 3 is made of high-strength alloy steel 30CrMnSi. M18 threaded holes are machined on metal insert 3. The diameter is 28mm, the outer diameter of the limit step is 35mm, the height of the column 34 is 15mm, the height of the limit step is 5mm, and the drawing bearing capacity of the metal insert 3 is 17.2t.
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[0050] Example 2
[0051] The metal insert 3 is a conical metal insert, which is pre-buried in the composite material joint with a flange thickness of 20mm. The metal insert 3 is made of high-strength alloy steel 30CrMnSi. The height of the piece 3 is 20mm, of which the outer diameter of the small end is 28mm, the outer diameter of the big end is 35mm, and the drawing bearing capacity of the metal insert 3 is 20.0t.
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