1. First, determine the installation position of the pneumatic joint on the sheet metal to ensure that it is aligned with the connection position of the pipeline. Drill a hole the size of a connector on the metal plate with a drill.

2. Then insert the pneumatic joint into the stamped metal plate for subsequent fixation, and tightly fix the joint with the metal plate with bolts to ensure that the joint is firmly fixed on the metal plate.

3. Finally, check the fixation between the joint and the sheet metal to ensure that the joint is not loose.