CRANKSHAFT GRINDING AND REPAIRING

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 specialized grinding and polishing services restore these components to OEM specifications, ensuring smooth operation and durability.

Crankshaft Grinding Under process

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.

Crankpin Polishing Onsite

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)
Crankpin Polishing Onsite
After Grinding and Polishing of Crankpin

Our Crankshaft Services Include:

Trust RA Power Solutions for precision-engineered solutions that maximize performance and reliability.

Crankshaft Grinding and Crankshaft Repair By Experienced Technicians – RA Power Solutions

Crankshaft grinding and crankshaft repair are important for the satisfactory performance of the engine. RA Power Solutions Pvt. Ltd. has been undertaking crankshaft repair onsite by a portable, lightweight crankshaft grinding machine. The crankshaft repair is executed of crankshaft diameters ranging from 60 mm to 700 mm.

We have team of trained and dedicated technicians who are deputed to the site with crankshaft grinding machine along with necessary instruments. The crankshaft repair is undertaken without removing the crankshaft from the entablature.

Crankshaft Grinding of Wartsila Diesel Engine
Crankshaft Grinding of Wartsila Diesel Engine

The crankshaft grinding machine used to undertake crankshaft repair is of latest design having minimum vibrations. This facilitates our technicians to undertake crankshaft repair even while the vessel is sailing. The tolerance after crankshaft grinding and crankshaft repair is maintained within 10 to 20 microns in terms of taper and ovality.

The repair of crankshaft and overhauling of engine while sailing of the vessel between two ports results to the considerable saving to the ship owners as there is no need of holding the vessel at port or anchorage.

The insitu crankshaft grinding and repair executed by us is guaranteed for the satisfactory performance. As on date we have executed more than 10,000 repair of crankshaft all over the world.

Crankshaft Grinding of MAN Diesel Engine
Crankshaft Grinding of MAN Diesel Engine

For more information on insitu crankshaft grinding and repair, in situ crankshaft grinding machine and grinding of crankshaft please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.