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- October 27, 2025
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At RA Power Solutions, we deliver expert crankshaft grinding and repair services for marine engines, automotive engines, industrial machinery, pumps, and compressors. Our precision machining ensures optimal performance, extended lifespan, and reliable operation of your critical equipment.
Crankshaft Machining Expertise
The crankshaft is the backbone of engines and rotating machinery, comprising the main journal and crank pin. Our specialised crankshaft grinding and polishing services restore these components to OEM specifications, ensuring smooth operation and durability.
Rigorous Inspection & Quality Assurance
Every crankshaft undergoes comprehensive testing before and after repair to guarantee safety and performance. Our inspection process includes:
- Magnetic Particle Inspection (MPI) – Detects surface and near-surface flaws
- Hardness Testing – Ensures material integrity
- Surface Roughness Testing – Verifies optimal finish for reduced friction
Precision Grinding & Polishing
Our advanced grinding and polishing services deliver:
- High dimensional accuracy
- Superior surface finish
- Strict adherence to OEM tolerances
Polishing removes bearing line marks and enhances surface quality for smoother operation.
Advanced Workshop Capabilities
Our state-of-the-art machine shop handles diverse crankshaft repairs, including:
- Crankshaft straightening
- Seal area rebuilding (using sleeves or metal spray technology)
Our Crankshaft Services Include:
- Crankshaft Grinding & Polishing
- In Situ Crankshaft Grinding
- Crank Pin & Main Journal Grinding
- Crankshaft Regrinding & Repair Custom
- Crankshaft Manufacturing
- Precision Inspection & Testing
- Crankshaft Straightening
On-Site vs Workshop Repairs
One of the major advantages in the marine and industrial sphere is the ability to carry out in-situ or on-site crankshaft grinding and repairing. Instead of removing heavy crankshafts, transporting them to an off-site facility, and reinstalling them, you bring the service to the engine’s location. This saves time, logistics complexity and cost. The article emphasises that the company offers both in-workshop machining and on-site services
Trust RA Power Solutions for precision-engineered solutions that maximize performance and reliability.
For more information on Crankshaft Grinding and Repairing, please email us at rajshahani@rapowersolutions.com, info@rapowersolutions.com or call +91-9582647131,+91 9810012383.
FAQs:
It involves restoring worn or misaligned crankshaft journals and pins by precision grinding, polishing, straightening and other repair methods to OEM specs.
Inspection using MPI, hardness testing and roughness measurement ensures we detect flaws, preserve material integrity and select correct repair approach.
Yes, RA Power Solutions offers on-site crankshaft grinding and polishing when removing the crankshaft or transporting it is impractical.
You get restored dimensional accuracy and surface finish, smoother operation, increased bearing life, extended engine interval between overhauls and lower risk of unplanned downtime.
Typical inspections include magnetic particle inspection (MPI) to identify cracks or flaws, hardness testing to verify material quality, and surface roughness testing to ensure proper finish for bearings.