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  • October 27, 2025
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It is generally observed that in the event of a crankpin bearing or main journal bearing failure, the crankshaft loses its alignment. The alignment of the crankshaft and its straightness are of significant importance. The crankshaft alignment is specified by the manufacturer according to the crankpin diameter, main journal diameter length of the crankshaft, etc.

RA Power Solutions provides efficient and cost-effective services to keep engines running smoothly and reliably. Trust us to deliver top-notch crankshaft repair & straightening solutions, backed by years of expertise in the field.

When there is a loss of crankshaft alignment, the main journal bearings tend to fail repeatedly.

Onsite Crankshaft Grinding of WARTSILA VASA Engine Model 12V32LN
Onsite Crankshaft Grinding of WARTSILA VASA Engine Model 12V32LN

RA Power Solutions undertakes the straightening of the crankshaft as per the manufacturer’s specifications onsite by the peening process. Experienced and trained technicians use the peening process to correct the crankshaft’s alignment loss. We employ the crucial procedure of crankshaft repair and straightening to rectify crankshafts that have become bent or damaged due to extensive usage or mishaps.

The crankshaft is straightened by the peening process to the maximum extent, and the final correction is done by grinding of main journals, in case it is required.

We are a leading provider of crankshaft straightening services, ensuring the optimal performance and longevity of engines in various industries. RA Power Solutions guarantees exceptional results, enhancing the overall efficiency and reliability of engines and earning the trust of clients worldwide.

RA Power Solutions specializes in expert crankshaft repair & straightening services. The crankshaft is a critical component of any engine, and over time, it can suffer from wear, damage, or misalignment due to various factors. With our state-of-the-art technology and experienced technicians, RA Power Solutions offers reliable solutions to restore crankshafts to their optimal condition.

Get in touch with RA Power Solutions today, and let us help you maintain the performance and longevity of your machinery through expert crankshaft straightening services. We look forward to serving you!

For more details regarding crankshaft grinding please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

FAQs

1. What causes a crankshaft to lose alignment?

When the main journal bearings or crankpin bearings fail repeatedly, the crankshaft can bend or misalign, affecting its straightness.

2. Can you straighten a bent crankshaft instead of replacing it?

Yes — RA Power Solutions uses the peening process (and if needed final grinding of main journals) on-site to correct crankshaft misalignment instead of doing a full replacement.

3. What types of engines or crankshafts are eligible for straightening?

Engines from marine, industrial, and power-plant applications whose crankshafts have alignment issues (due to wear, damage, or failure) are eligible for straightening services at RA Power Solutions.

4. How is the straightening process executed on-site?

Technicians first assess misalignment, then apply the peening process to correct the bend, and if required, they follow with grinding of the main journals to manufacturer specifications — all done on-site.

5. What are the benefits of straightening instead of replacement?

Straightening saves cost, reduces downtime, keeps the engine running reliably, and restores functional alignment — all without shipping the crankshaft off or performing a full rebuild.

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