Crack in the crankshaft of a reciprocating vacuum pump
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The crankshaft broke at the root near the bearing on the non-driving end. What do you all think?
Please describe the specific structure and details; it would be best to include a photo
The crankshaft is primarily subjected to torque; during operation, the bearings that are not at the ends of the shaft do not lock up instantly, and the material used plays a significant role in this regard.
It is recommended to upload photos for easier analysis
Could you explain this torque in detail?
Check whether the bearings are damaged (axially, radially), whether there is vibration in the machine, and the tightness of the foundation bolts.