Common door-moving device failures and troubleshooting

(a) The door cannot be moved

1. Hanging rails and hanging wheels do not support optional accessory products;

2. Damage to the suspension wheel bearing or damage to the outer cladding Replace the upper part of the suspension wheel;

3, the bottom of the door to touch th.......

Analysis of EVA Delamination in Solar Cell Modules

The processing technology of PV modules adopts laminated materials such as EVA, backplanes, glass, and solar cells. From the welding to the completion of finished product testing and the completion of packaging and storage, each process interacts with.......