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Introduction to and Production of CNC Carving and Milling Composite Machining of Spindles

The anti-loosening performance of nuts was tested using vibration experiments. For ease of comparison, we also conducted tests on standard nuts, nuts with washers, standard double nuts, three-point pressure nuts, and nylon nuts to evaluate their anti-loosening performance. All experiments were conducted in accordance with the national standard GB/T10431-1989, “Test Methods for Horizontal Vibration of Fasteners.”