Our shop is welding a 1/2"x 6" wide TP-100 steel plate (spokes) to a circular (tire) ring, 1030 CS, Q&T to 90ksi, 5" thick x 11" wide x 8.5' diameter. There are two rings, one at each end of a circular drum for supports. The drum rotates at approx. 8rpm's.
The 1/2" plate is welded to the ring...
The loading issue is one we have had a hard time attempting to model. I do realize that not having a good handle on the loading puts us at a big disadvantage.
The 4130 is Q&T steel - 110k to 130k tensile strength.
bklauba:
There are two tires supporting a rotating steel drum (8'dia.) used in the asphalt hot mix industry. The drum serves as a dryer and a mixer to produce this hot mix and rotates on a daily basis.
The cracks typically show up sometime after the tires have been put into production. Some...
Our fabrication shop typically welds a 1/2" thick T1 steel to a 3"thick x 11" wide 4130 steel "tire" (circular section). The 1/2" material is welded to the inside of the "tire" at approx. 26 places. The shop preheats the "tire" with propane rosebuds to 150 deg. F. at numerous positions while...
