Ricated door hinge during maximum opening.
Max stress on a door hinge.
If the door hinges are able to with.
Where the door width is more than 1000mm or the door mass exceeds that allowed for 3 hinges additional hinges can be fitted.
The maximum stress produced by the axial load at the notch region can be calculated as 33 33.
Pilkey peterson s stress concentration factors john wiley sons 2008.
Equal spacing shown provides maximum resitance to warping based on 4 hinges the design door mass can be calculated as per side load calculation table before determining the suitable grade of hinge.
Reading well data written in small then it turns out that car reaches that speed downhill with the wind and that the braking distance is 500 meters longer than the other models.
The force of the door against a sealing gasket if one is present is an out of plane horizontal stress on the hinges.
The longer the hinge the stronger it will be.
I am the father of 2 young kids henceforth known as monkey boy and disaster girl as they break stuff around the house i try to fix it.
Hinges are weakest in vertical stress when the forces are applied parallel to the pin.
One day monkey boy decided to swing with his full weight hangi.
For the shear fv p a and the allowable fv 4fy.
Hinges are strongest in horizontal stress when the forces are applied perpendicular to the hinge pin.
In horizontal load the strength per unit of length is constant.
L is the maximum length between the simple supports p is the maximum load in the center.
For example if the door is 1 3 8 inches thick and the width is no more than 32 inches the hinge height is 3 1 2 inches.
The hinges see this moment as a horizontal load at the hinge points.
You can calculate your section modulus as z d 3 6.
In the united states maximum static bearing pressures of 17 mpa 2500 psi are typically used with loading during operation not to exceed 34 mpa 5000 psi.
This is how i fixed my bathroom door.
How to repair stripped screw holes for a door hinge.
Oor hinges it s as if you were to choose a car based on maximum speed.
Y our allowable stress for this case is fb 75 fy.
Design of a grease lubricated bearing system should include the proper running clearance required surface finishes bearing material properties the grease lubrication system requirements and the arrangement of any seals.
However if the door is between 32 inches and 36 inches the leaf height of the hinges must be increased to 4 inches to handle the increased weight.