Rolls Royce Engine Model B32: 40V, 16AH, 7200 KW
Client: Power Plant
Engine Model: B32: 40V, 16AH.
Power: 7200KW.
Make: Rolls Royce
Fuel: HFO
Standard Diameter (C.R Pin): 270mm.
Grinding Done 2mm. undersize from standard.
Final Size: 267.98 to 267.99 mm.- Ovality Maintained 0.01mm against the permissible limit of 0.032mm.
MPA POWER team visited the site after receipt of confirmation of onsite grinding of the crankshaft. The Pre- Inspection observation:
Before Grinding
- Calibration of crank Pin and found deep bearing line marks and dent.
- Checking the deflection of the crankshaft to ascertain within the limit.
- Magnetic particle test for crack detection.
- Hardness check and noted.
- Once observed, all parameters within the limit, discussed with the manager, and start grinding of the crankshaft.
- Grinding up to 2 mm. undersize from standard removed all dent mark and line mark-maintained surface finish up to 0.18 Ra against the permissible limit of 0.4 Ra.
- Final Report made and signed by Client
After Grinding
