In the realm of heavy machinery and marine engines, the crankshaft stands as a pivotal component, converting linear piston motion into rotational force. Over time, due to operational stresses, crankshafts can suffer wear, misalignment, or damage, leading to decreased efficiency or complete engine failure. Traditionally, repairing such issues necessitated disassembling the engine and transporting the crankshaft to a workshop—a process both time-consuming and costly.

Understanding In Situ Crankshaft Machining
In Situ Crankshaft Machining involves the use of specialized portable equipment to repair and restore crankshafts directly within the engine housing. This method eliminates the logistical challenges of transporting large engine components and significantly reduces downtime.
Key processes in insitu machining include:
- Crankpin and Main Journal Grinding: Restoring the surface finish and dimensional accuracy of worn or damaged journals.
- Polishing: Achieving the desired surface roughness to ensure optimal bearing performance.
- Crack Detection and Hardness Testing: Ensuring the integrity and durability of the crankshaft repair.
Advantages of In Situ Crankshaft Machining:
- Minimized Downtime: Repairs are conducted onsite, allowing machinery to return to operation swiftly.
- Cost-Effective: Eliminates transportation and disassembly costs associated with traditional repair methods.
- Precision and Quality: Advanced portable machining tools ensure repairs meet or exceed OEM specifications.
- Versatility: Applicable to a wide range of engines across industries, including marine, power generation, and industrial sectors.


RA Power Solutions: Pioneers in In Situ Crankshaft Machining
With over four decades of experience, RA Power Solutions has been at the forefront of in situ crankshaft machining. Our team of skilled technicians is equipped with state-of-the-art portable machinery, capable of handling crankshafts ranging from 35 mm to 700 mm in diameter.
Our comprehensive services include:
- On-site crankshaft grinding and polishing
- Crack detection using Magnetic Particle Inspection (MPI)
- Hardness testing to assess material integrity
- Customized repair solutions tailored to specific engine requirements


By choosing RA Power Solutions, clients benefit from reduced operational disruptions, cost savings, and the assurance of quality workmanship.
For more details of the On Site Crankshaft Repair, In Situ Crankshaft Machining, Onsite Crankshaft Repair, email us at info@rapowersolutions.com, call at +91-9582647131,+91 9810012383.