Aluminum Cnc Machining Components

5. As a preferred option of the present invention, a retaining ring is fixedly connected to the surface of the wheel body, the retaining ring is used in cooperation with a backing plate, and the shape of the surface of the backing plate is T-shaped.

6. As a preferred option of the present invention, a rubber pad is fixedly connected to the inside of the sliding sleeve, and the surface of the rubber pad is in contact with the surface of the card board.

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