Members,
I will post the final decision about the broken and the other three shafts (upper management and machine maker). They have all applicable eng-tips members suggestions.
Again thank a lot to Ed, Met, Mr and Pat.
Tryeasy
EdStainless and Metengr
Agree, I will not suggest repair by welding.
I will suggest removing the other and inspecting by penetrant or wet magnetic particles or ultrasound.
They check tension only when the castings show up flash or the DC machine locked up.
Unfortunately maintenance don't track...
Dear members,
One tie bar of the 500 Ton die cast machine broke. The DC machine has four tie bars.
The fracture shows as initial fracture (+/-1.5" deep) as fatigue crack then continue the fast catastrophic fracture. See attached pictures. Dimensions of the tie bar: 136” length and 5.25”...
