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- October 27, 2025
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Insitu grinding of crankshafts and polishing has been offered by RA Power Solutions Pvt. Ltd. for more than 4 decades. Our experienced technicians reach a site in the minimum possible time with the Insitu crankshaft grinding machine and undertake crankshaft repair without removing the crankshaft from the main engine.
A lightweight portable in situ crankshaft grinding machine operates pneumatically to carry out the in situ crankshaft grinding repair. The equipment is of the latest design and is capable of maintaining a close tolerance within 20 to 30 microns in terms of taper and ovality.
Onsite crankshaft grinding can also be undertaken while the vessel is sailing. This service is possible due to continuous research and development done by our engineers to minimize the vibrations while the vessel is sailing. Our technicians hold valid seamen’s books and can sail if required. The time required for repair, which involves grinding and polishing the crankshaft, is minimal due to the latest design of our crankshaft grinding equipment, executed by experienced technicians.
We can undertake grinding and polishing crankshafts up to 700 mm in diameter, and we have executed more than 15,000 repairs in our 45 years of experience worldwide. RA Power Solutions specializes in providing top-notch crankshaft machining in situ services.
For more updates on in situ crankshaft grinding repair, on site crankshaft grinding, grinding of crankshaft, in situ crankshaft grinding repair, onsite crankshaft machining, and crankshaft machining in situ, email info@rapowersolutions.com, rajshahani@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.
FAQs
It means we grind and polish the crankshaft directly in place, without removing it from the engine housing or transporting it off-site.
Our portable machines and technicians can service crankshafts (crankpins or main journals) with diameters ranging from 35 mm up to 700 mm.
Because we work on-site (even on a ship while sailing, if needed), you avoid removing the engine or crankshaft, transporting heavy parts and sourcing workshop time. That cuts downtime and logistics costs significantly.
Our equipment maintains tolerances for taper and ovality within about 20–30 microns, and we also apply polishing to restore a proper surface finish on journals, meeting or exceeding OEM standards.
We offer this for marine engines, power plants, industrial machinery worldwide — including onboard vessels, remote sites, and land-based installations.