homebrewdude
Mechanical
I have a 1/4" plate that is welded to a 1/2" plate.
The 1/4" plate is subjected to a vibration type fatigue load.
The current weld is 1/4" fillet all around the 1/4" plate.
Our supplier is actually oversizing the weld and is looks to be about 5/16"
Both plates are ASTM A572 Grade 50
Looking at the plate, it seems that the fillet welds completly penetrated the 1/4" plate and are both touching each other. (if looking at a cross section of the plate)
It also seems like the heat from the weld undercut the material.
The 1/4" plate is failing at the weld due to vibration.
Is it normal practice to put 1/4" fillet welds on both sides of a 1/4" plate?
Is the supplier just using excessive heat?
Could the failure problem be due to the weld area being brittle? As all the vibration is being transfered through the weld.
Would a better weld be bevel groove type?
I would then have to pre-chamfer the 1/4" plate?
The 1/4" plate is subjected to a vibration type fatigue load.
The current weld is 1/4" fillet all around the 1/4" plate.
Our supplier is actually oversizing the weld and is looks to be about 5/16"
Both plates are ASTM A572 Grade 50
Looking at the plate, it seems that the fillet welds completly penetrated the 1/4" plate and are both touching each other. (if looking at a cross section of the plate)
It also seems like the heat from the weld undercut the material.
The 1/4" plate is failing at the weld due to vibration.
Is it normal practice to put 1/4" fillet welds on both sides of a 1/4" plate?
Is the supplier just using excessive heat?
Could the failure problem be due to the weld area being brittle? As all the vibration is being transfered through the weld.
Would a better weld be bevel groove type?
I would then have to pre-chamfer the 1/4" plate?