Quality Standards : RA Power Solutions

The onsite crankshaft grinding executed successfully, meeting all technical and quality standards. As part of our quality assurance process, inspection reports are obtained and duly signed by the vessel’s Chief Engineers. These reports are available upon request and can be shared along with photographs and videos.

Our team is available 24/7 and can mobilize at short notice to any location worldwide. We are committed to minimizing downtime and ensuring smooth and reliable operation of your engines.

Assembly of Crankshaft Grinding Machine on Damaged Crankpin	Onsite Crankshaft Grinding Under Process

RA Power Solutions offers specialized onsite services:

RA Power Solutions has been a world leader in onsite crankshaft grinding and polishing for more than 45 years, serving power plants, shipyards, marine vessels, and engineering sectors globally. We can do insitu crankshaft grinding for diameters up to 700 mm with unparalleled accuracy and efficiency because we have experience with engines of all makes and models.

Serving engines such as MAN B&W 7L23/30H, Daihatsu 6DK20, Hyundai Himsen 9H25/33P, and Bergen Rolls-Royce, among others, our recent projects span important international ports and clients from Sharjah, Dubai, Vietnam, and beyond.

For more details of the onsite crankshaft repair, Crankshaft Grinding Services, In Situ Crankshaft Grinding Machine, or email us at info@rapowersolutions.com or call us at +91-9582647131,+91 9810012383.

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The crankshaft repair process has been simplified by RA Power Solutions with the minimum amount of engine downtime possible by the introduction of lightweight, compact onsite crankshaft polishing equipment. The engine block is used to insert the polishing and grinding machine, and the crankpin is polished. The onsite crankshaft grinding and polishing machine is capable of maintaining a surface finish better than the international standards, i.e., 0.2 RA value.

The failure of the crankpin or main journal bearing is common which damages the crankpin and main journal diameter of the crankshaft.

The following are the main observations in the case of the failure of the bearing:

1. Development of taper & ovality on crankpin & main journal diameter.
2. Dent, bearing line marks, and a rough surface are observed on the pin.
3. In a severe accident, heat causes the bearing material to stick to the crank pin or main journal diameter.
4. Overheating turns the crankpin black or blue and creates hard spots
5. The failure of the bearing also causes the development of cracks.

Specialization of RA Power Solutions in Crankshaft Machining, Grinding, and Polishing:

RA Power Solutions specializes in the machining of crankshafts without removing them from the engine block. Our highly trained technicians reach the accident site in the minimum possible time with portable equipment to undertake the repairs.

We have been extending crankshaft machining and onsite crankshaft repair services to leading shipping companies for more than four decades. Our success rate is almost 100 percent.

In extreme cases where damage is more than the last limit, the crankshaft is rejected. There are several occasions where RA Power Solutions have successfully repaired the crankshaft under deviations.

In this case, we have undertaken the crankpin machining beyond the undersize recommended by the manufacturer.

Our team of highly skilled engineers and technicians utilizes the latest technology. The equipment to deliver precise, reliable, and cost-effective onsite crankshaft machining and polishing services.

We understand the importance of minimal downtime for our clients. Our onsite services save you time and money by eliminating the need to transport heavy crankshafts to a workshop.

The matching bearings are also supplied by us. This initiative has saved several crankshafts from rejection.

Working on the most popular model of Engines

We undertake repair of all makes and models of diesel engines, compressors, pumps, and all types of rotary equipment. The most popular make & model of engines are Yanmar, Wartsila, Daihatsu, MAN B&W, Caterpillar, Deutz MWM & Allen Engine, etc.

We have been regularly executing the repairs in Argentina, Bahamas, Barbados, Bermuda, Bolivia, Brazil, Canada, Chile, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, Guatemala, Guyana, Haiti, Honduras, Jamaica, Mexico, Nicaragua, Malaysia, Nigeria, UAE, Togo, Spain, Madagascar, Singapore etc.

For more details on the crank pin grinding machine, Onsite Crankshaft Repair Services,  insitu machining equipment, and in situ crankshaft machining, please email us at rajshahani@rapowersolutions.com, info@rapowersolutions.com, or call us at +91 9582647131 or  +91 9810012383.

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RA Power Solutions has four decades of experience in the field of in situ crankshaft repair. We have a huge client base from all over the world that includes shipping companies, power plants, fertilizer plants, etc. Knowing the importance of in situ repairs, we introduced the in situ crankshaft grinding and polishing machine four decades ago. This in situ crankshaft grinding and polishing machine can grind the crankshaft without the removal of the Crankshaft from the Engine block. The equipment is portable and compact, it can be inserted from the inspection window of the Engine block.

Crankshaft Polishing Equipment

The in situ crankshaft grinding and polishing machine handles crankshafts with diameters ranging from 30 mm to 700 mm. This equipment allows technicians to grind and polish shafts while maintaining taper, ovality, and surface finish according to the OEM’s standards. Technicians can now perform repairs using this highly advanced machine while the vessel is sailing. This process saves considerable time and money.

In situ crankshaft grinding and crankshaft polishing machine is suitable to grind the crankshaft of any make and model of engine. Our technicians have repaired crankshafts for the following engines onsite:

Wartsila, Daihatsu, Mirrless Blackstone, Yanmar, Allen, MAK, MAN, B&W, Sulzer, Caterpillar, Fiat, Mitsubishi, MTU, Cummins, Deutz, Nohab Polar, Wartsila 12V32, Wartsila 18V32, Pielstick, MAK, Ruston, etc.

We have sold more than 1000 in situ crankshaft grinding and polishing machines worldwide. The clients are still demanding it for a different range of diameters

We are executing crankshaft grinding repair services in Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, United Arab Emirates, Vietnam, UK, USA and other countries.

For more information, Crankshaft Grinding Machine of High Diameter, crankshaft polishing on vessel, and crankshaft polishing equipment, rajshahani@rapowersolutions.com, or info@rapowersolutions.com, call us at +91 9582647131 or +91 9810012383.

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