Crankshaft Repair and Crankshaft Grinding
R A Power Solutions is a leading provider of crankshaft grinding and crankshaft repair services, backed by more than four decades of engineering experience. We use the latest design of onsite crankshaft grinding equipment, which offers significant technical advantages over conventional grinding machines used in the industry.
The crankshaft grinding process allows us to restore crankpins and main journals while maintaining taper and ovality within the tolerances specified by the engine manufacturer. Our experienced technicians ensure that all repairs meet OEM standards and deliver reliable engine performance.
Over the years, we have completed more than 10,000 crankshaft grinding and repair projects for marine, industrial, and power generation engines across the world.
When is Crankshaft Grinding Required?
Crankshaft grinding and repair become necessary when the crankshaft develops wear, damage, or alignment issues during engine operation. These problems can affect engine efficiency and may lead to major mechanical failures if not repaired in time.
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| Before Grinding MPI Inspection Test Undertaken By R A Power |
Magnetic Particle Inspection Test Executed Onsite |
Crankshaft grinding is generally recommended in the following situations:
Increase in ovality or taper in the crankpin or main journal
Bearing line marks or scoring on the journal surface
Development of pitting or rough surface on crankpins
Misalignment of the crankshaft due to operational stress or accidents
- Increase in ovality or taper in the crankpin or main journal
- Bearing line marks or scoring on the journal surface
- Development of pitting or rough surface on crankpins
- Misalignment of the crankshaft due to operational stress or accidents
Failure to promptly correct these defects could result in severe engine damage and prolonged downtime.
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| Onsite Crankshaft Grinding Through Crankshaft Grinding Machine |
Insitu Crankshaft Repair Process |
Advanced Crankshaft Repair Technology
R A Power Solutions uses advanced
portable crankshaft grinding machines designed for precision machining directly at the site. These machines allow engineers to perform crankshaft grinding without removing the shaft from the engine block, significantly reducing downtime and repair costs.
Our repair process ensures that the crankshaft geometry, alignment, and surface finish are restored according to manufacturer specifications. Even in cases where crankshafts are rejected by manufacturers due to severe damage, our experienced team has successfully restored them through specialized repair techniques.
Wide Range of Shaft Grinding and Repair Services
In addition to diesel engine crankshafts, we undertake grinding and polishing of several types of rotating components used in heavy machinery and industrial equipment.
These include:
- Diesel engine crankshafts
- Pump shafts
- Alternator shafts
- Turbine shafts
- Forged crankshafts
- Motor shafts used in heavy equipment
Our services are widely used by industries such as shipping, power generation, steel plants, petrochemical facilities, cement plants, and mining operations.
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| Crankpin After Polishing |
Crankpin Finish After Grinding And Polishing |
Experience and Global Service Support
With more than 46 years of experience in
crankshaft repair and grinding, RA Power Solutions has developed strong technical expertise in restoring damaged engine components. Our team of engineers can be deployed at short notice to perform onsite inspection and repair, ensuring minimal downtime for critical machinery.
We are committed to providing reliable and cost-effective crankshaft repair solutions that help industries maintain continuous operations and extend the service life of their engines.
For more information, please email us at rajshahani@rapowersolutions.com, info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.
