Static Door Hinge Problem

One of the most common problems that might affect your door installation process is caused by the hinge plates being out of alignment.

Static door hinge problem.

This will keep the weight of the door from binding on the other hinges. The ideal is a 1 8 inch gap between the door and jamb at all points. The forces that the door exerts on its hinges can be found by simply reversing the directions of the forces that the hinges exert on the door. Start by closing the door.

And the known weight. In this example the elbow force happens to be vertical because the problem assumes the tension by the biceps to be vertical as well. An unknown force. 10 4 i have the friction hinge door so i am familiar with it and it s problems.

Hence our task is to find the forces from the hinges on the door. To solve this check that your door jamb is on the same plane so the door can close properly. Simply tap the pin back into the hinge and test the door. Remove the top hinge pin and lay it on a concrete floor.

Using a hammer strike the pin in the middle this will cause a slight bend in the pin. On the latch side a door is cut at a slight bevel to make it easier to close. When this happens your door will not close tightly for example the top corner sticks out away from the jamb. Mark both sides of the door.

Three forces act on the door slab. If a door binds open it grasp the knob and lift up to see if a hinge is loose. An unknown force. Forces on door hinges a swinging door that weighs w 400 0 n w 400 0 n is supported by hinges a and b so that the door can swing about a vertical axis passing through the hinges figure 12 16.

I was also able to use a screw driver to open the jaws of the friction hinge a smidgen. In the initial analysis of a problem hinge joints should always be assumed to exert a force in an arbitrary direction and then you must solve for all components of a hinge force independently. Works good now rjsurfer. The door has a width of b 1 00 m b 1 00 m and the door slab has a uniform mass density.

The hinges are placed symmetrically at the door s edge. If one is loose remove two or more screws and try driving in longer screws.