Causes of abnormal sound of door hinge
Hinges may be due to the dampness of the atmosphere or installing door hinges in the box into the dust, led to the hinge and the hinge friction noise.
Hinge screws adjust properly, hinge bolt is not on the same axis.
Hinge fixing screws do not tighten door hinge offset in a neutral role in the process of using different axes.
Door hinge noise solutions
Adjust the hinge screws and hinge pin on the same axis (such as: door hinge in the middle two screws appropriate to relax).
Injection liquid lubricating oil or butter on the door hinge pin, do not use vegetable oil.