Marine Engine Overhauling and Repair

Diesel Engine Spare Parts Supplied By RA Power Solutions Pvt. Ltd.

In this competitive world, all organizations are trying to reduce the cost of operation and maintenance of marine engines and diesel generating sets.

It is generally observed that the prices of spare parts are exorbitant and in certain cases the delivery offered is long. RA Power Solutions Pvt. Ltd. supplies spare parts procured directly from OEMs and guarantees the satisfactory performance. Our prices are lowest in the industry.

RA Power Solutions Pvt. Ltd. also deals in reconditioned marine engine and diesel generating sets spare parts which are calibrated by our experienced technicians in our state of art, workshop having latest instrumentation and equipments for undertaking repairs. Some of the products offered by us are as under:

Marine Engine Spares

High-capacity marine engine spares are supplied for reputed engine manufacturers like Wartsila, Mak,Deutz, Bergen, Niigata, Himsen, Allen, Stork, Fiat, MWM, Hanshin, Caterpillar, etc. The spares parts are procured from the OEM. Each part is subject to calibration and inspection at our works by the experienced technicians. Inspection report is prepared.

RAP also supplies reconditioned spare parts procured from the ship breaking yard and diesel-generating power plant which have become abundant due to availability of alternate source of energy. Parts are reconditioned at our works and are supplied with guarantee. We also stand guarantee for lowest price in the industry.

Liner, Piston, Connecting Rod, Cylinder Head Under Assembly Supplied by RA Power Solutions

Onsite Crankshaft Grinding Machine

We manufacture latest design of onsite crankshaft grinding machines ranging from 40 mm to 700 mm diameter. Ours is the only company which can execute repair of crankshaft by grinding/polishing onboard the vessel while it is sailing. This is possible only due to the vibration less latest technology crankshaft grinding and polishing equipment designed and manufactured by us and technicians having seaman passport.

Packing in Progress- Insitu Crankshaft Grinding Machine

Onsite Crankshaft Grinding Machine Ready for Dispatch

We are cost-effective and can dispatch our team of technicians with onsite crankshaft grinding equipment within 6 hours notice.

Second-Hand Crankshafts

Second-hand crankshafts of most of the popular make of engines are available ex-stock. It is a policy of the company to polish all the CR pins and main journals as these facilities are available in house the inspection reports for taper, ovality, hardness, crack detection, alignment, etc. are prepared and submitted with the crankshaft.

We have been selling second hand and reconditioned crankshafts for last 36 years and have sold second hand crankshafts exceeding 160 numbers all over the world. We are priced lowest in the industry.

Fresh Water Generator

Fresh Water Generator, heat exchangers, purifiers are procured from ship breaking yards andabondened diesel power plants. These equipments are fully reconditioned by changing rubber components, bearings, and other spares. All equipments are put on trial and supplied with guarantee of lowest price in the industry.

Gaskets

Gaskets, Rubber gaskets for all alpha laval equipments like fresh water generator, heat exchangers, and purifiers are available in stock. Gaskets of other make of equipments are also manufactured. We can also develop the gaskets as per the requirement of the client or as per the sample. Performance is guaranteed and gasket are priced nearly half of the OEM price.

White Metal Bearing

We manufacture white metal Babbitt bearing for rotor shaft, crankshaft, alternator shaft, turbine shaft and all application. The new white metal Babbitt bearings are manufactured up to 1500 mm diameter. Close tolerances are maintained.

White Metal Alternator Bearing of Wartsila

We regularly export white metal Babbitt bearings for different applications all over the world. We are cost-effective and have experience of more than 45 years in this field.

Tri-Metal Bearing

After grinding of crankshaft under size and special size tri metal bearings for crankpin and main journal are required. RA Power Solutions Pvt. Ltd. manufactures tri metal bearings as per the requirement. We also have facility to develop and manufacture bearings in case the quantity is large.

We have new and reconditioned spare parts of the following make of engine:

MAN-B&W
Sulzer
Wartsila
Mak
Deutz
Pielstick
Mitsubishi
Daihatsu
Yanmar
Bergen
Niigata
Himsen
Allen
Stork
Fiat
MWM
Hanshin
Caterpillar
SKL
Ruston
Paxman
Crepelle
Mirrlees
Alco
ABC
Nohab

For more information on spare parts of diesel engine, Wartsila Marine Diesel Engine, reconditioned spare parts, diesel engine spare parts manufacturers, and onsite crankshaft grinding please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Metal Locking and Metal Stitching Process- RA Power Solutions

Metal locking and metal stitching is a process of repair of cast metals having different metallurgy without the necessity of wielding. Metal locking and metal stitching is a cold and proven method of repair of cast iron and cast steel components.

The advantage of crack repair and broken casting by metal locking and metal stitching is that it can be carried out at the site anywhere and it even does not require dismantling of the equipment in most of the cases this results to considerable saving of time and money. Crack and broken casting repair is proven and is old method for crack repair it is widely used for heavy-duty plant and equipment, ship engine, heavy-duty forging presses, etc.

**Metal Stitching of JIBB Plate of 225 Ton**

We regularly execute crack repair by metal locking and metal stitching of following parts:

Engine Block, Cylinder Head, Generators, Turbo Chargers, Turbine Casing, Gear Box Housing, Pump Casings, Compressor Crank Cases, Forgings Hammer, Lathe / Press/ Milling/Boaring, etc .M/c. all Cast equipment etc.

RA Power Solutions is a leading provider of metal locking services. We have a team of experienced engineers and technicians who are skilled in using this technique to repair a wide variety of castings. We have a proven track record of success, and we are confident that we can provide you with a high-quality repair that will meet your needs.

If you have any questions about our services please contact RA Power Solutions. We would be happy to answer your questions and discuss your specific needs.

For more information on cold metal lock stitching, metal stitching service provider, metal stitching cast iron, crack repair, and metal stitching of engine block email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Insitu Grinding of Crankshaft | Insitu Crankshaft Machining – 45 Years of Expertise

Insitu grinding of crankshaft and polishing is offered by RA Power Solutions Pvt. Ltd. for last 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.

Insitu Crankshaft Grinding in Process — **Grinding of crankshaft**

The Insitu Crankshaft Grinding Repair is undertaken by a lightweight portable In situ crankshaft grinding machine which is operated pneumatically. The equipment is of the latest design and is capable to maintain 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 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 books and can sail if required. The time required for repair that involves crank pin grinding and polishing of crankshaft is minimum due to the latest design of our crankshaft grinding equipment executed by experienced technicians.

We can undertake grinding and polishing of crankshafts up to 700 mm diameter and have executed more than 10,000 repairs in our 36 years of experience worldwide. RA Power Solutions specializes in providing top-notch crankshaft machining in situ services.

The author of this blog is Raj Shahani, Managing Director of RA Power Solutions Pvt. Ltd. He has been working on crankshafts for 45 years. The author had his training with leading crankshaft manufacturers like CKD Skoda in Pilsener Czech Republic, Sidenor in Spain, National Forge in Germany, etc.

For more updates on Insitu 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.

Crankshaft Straightening – RA Power Solutions

It is generally observed that in case of failure of the crankpin bearing or main journal bearing, the crankshaft loses its alignment. The alignment of the crankshaft and its straightness is of great 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.

In case there is a loss of crankshaft alignment, it is observed that the main journal bearings fail repeatedly.

RA Power Solutions undertakes straightening of the crankshaft as per the manufacturer’s specifications onsite by the peening process. The technicians are experienced and trained to correct the loss of alignment of the crankshaft by the peening process. Crankshaft repair & straightening is a crucial procedure employed 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 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.

In Situ Crankshaft Grinding Services by RA Power Solutions

For almost 45 years, we have provided on site crankshaft grinding services, onsite crankshaft repair, crankshaft reconditioning, crankpin reconditioning, and marine crankshaft repair. Our engineers have received training in crankshaft production facilities in Europe and the United States as well as crankshaft grinding services.

It is observed that due to seizure of bearing in most of the cases, crankshaft loses its alignment and develops bend. The alignment of crankshaft is important and it is maintained at the time of machining and grinding of crankshaft.

RA Power Solutions undertakes straightening of crankshaft onsite irrespective of the length of crankshaft, diameter of CR pin and main journal. The straightening of crankshaft is done by peening procedure for which our technicians are trained. Number of jobs has been successfully executed for straightening and onsite grinding of crankshaft.

Grinding of Crankshaft by Crankshaft Grinder

At RA Power, we specialize in precision Crankshaft Grinding, a critical process that restores the functionality and integrity of crankshafts for various industries, including automotive, marine, and industrial applications. Our state-of-the-art equipment and skilled technicians ensure the highest level of accuracy and surface finish, extending the life and performance of your crankshafts.

Our specialized team and advanced machinery ensure that your crankshafts are meticulously restored to their original specifications.

Grinding of Crankshaft on VBlock by Crankshaft Grinding Machine

Insitu Crankshaft Grinding Machine from Crankcase Window

RA Power Solutions has recently supplied a crankshaft grinding machine ranging from 220 to 260 mm in Diameter to a Bangladesh-based client. This is the first onsite crankshaft grinding machine to be sold in Bangladesh.

In situ Straightening of Crankshaft is undertaken by the pining process, this in situ Crankshaft Repair saves Crankshaft from rejection. Technicians are specially trained for on-site repair of Crankshaft.

For more information on crankshaft grinding services, Insitu Crankshaft Grinding Services, on site crankshaft grinding, crankshaft grinding machine, and insitu crankshaft polishing email us at info@rapowersolutions.com or rajshahani@rapowersolutions.com and call us at +91 9810012383,+91 9582647131.

Metal Stitching and Metal Locking of Engine Blocks – RA Power Solutions

Engine blocks, casting and most of the parts are manufactured of common material like cast iron. Cracks developed in cast iron parts are most difficult to undertake repair by welding process as it needs pre-heating of the cast iron prior to the welding. In certain cases it can cost additional stresses resulting to the damage of casting.

It is proven that metal stitching and metal locking have the advantage of repairing cracks in cast iron casting due to the cold process using different profiles and materials of stitching pins and locks without applying any heat, as in the case of welding.

RA Power Solutions Pvt. Ltd. undertakes metal stitching and metal locking of casting and has successfully repaired various major components of a high-capacity diesel engine.

Application includes repair of Engine Block, Cylinder Head, Generators. Turbo Chargers, Turbine Casing, Gear Box Housing, Pump Casings, Compressor Crank Cases, Forgings Hammer, Lathe / Press/ Milling/Boaring etc .M/c. Other all Casting equipment etc.

In the last 45 years, more than 10,000 jobs of crack repair have been successfully executed.

Stitching Pin Used in Metal Stitching Process

Metal Stitching Done in Broken Area of Generator

RA Power Solutions is proud to say that we have a dedicated team of specialists who specialize in metal lock and metal stitching repairs. We promise good performance on all of our jobs. We have shown to be cost-effective and can deploy our team of professionals and consumables on short notice. We have recently expanded these services to Dubai, Greece, Maldives, Malaysia, Singapore, Madagascar, Nigeria, South America, UAE, Germany, Monaco, Qatar, Sri Lanka, Bangladesh, Italy, Spain, Czech Republic, UK, Nepal, Philippines, Jordan, Libya, Kuwait, Egypt, Morocco, Yemen, Bahrain, Tunisia, Sudan, Oman, Algeria, Saudi Arabia, Iraq, and others.

For more details regarding crack repair by metal stitching, engine block repair, cold metal lock stitching, and cast iron by metal lock & metal stitching, please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Inspection And Calibration of Connecting Rod – RA Power Solutions

It is generally observed that due to the continuous running of the engine, connecting rod big end bore develops taper and ovality. The small end bush also gets worn out. It is important that connecting rods are subject to thorough inspection after certain hours of operation as described in the manual.

Crack detection is important for the serration area and also for connecting rod bolts. Most serious accidents happen due to the failure of connecting rod bolts that can damage the crankshaft, engine block, and other parts resulting in heavy losses.

Connecting Rod Assembled with Piston After Repair

RA Power Solutions Pvt. Ltd. engineers are available on call and can visit the vessel or a power plant with the necessary instruments to conduct an Inspection and Calibration of the Connecting Rod. The technicians are experienced and an inspection report is submitted with necessary recommendations for the successful repair of connecting rods.

At RA Power Solutions, we recognize the significance of precise calibration and timely maintenance in avoiding failures and extending engine life. Our dependable services offer great performance, dependability, and efficiency in every project we manage.

For more details regarding Inspection and Calibration of Connecting Rod, inspection on site of connecting rods please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Crankshaft Repair in Limited Engine Space – RA Power Solutions

RA Power Solutions Pvt. Ltd. have successfully executed crankshaft repair on board a vessel of Hyundai engine. The companies based in Norway, Singapore, and UK were invited to execute the grinding operation on crankshaft bearings of which were seized due to lube oil pump failure. These companies were not able to execute the repairs due to non availability of compact portable tool which was required as the space available from the inspection window was less.

Knowing the constraints of space, RA Power Solutions Pvt. Ltd. designed and manufactured a special-purpose crankshaft grinding machine which was inserted from the inspection window, and grinding of 6 nos. pins was successfully executed. The engine is performing satisfactorily.

The repair of crankshaft on site was possible because the crankshaft grinding machine designed by RA Power solutions was compact, lightweight and was manufactured according to the size of the window and space available in the crankcase of the engine. The technicians were able to maintain the tolerance after grinding within 20 microns against the stipulated tolerance of 30 microns in the manufacturers manual.

**Repair of Crankshaft in Limited Space**

We have successfully done more than 10,000 jobs all over the world like Qatar, Dubai, Sudan, Indonesia, Singapore, South America, Malaysia, Jordan, Kenya, Maldives, Nigeria, Iran, Iraq, Oman, etc.

For more details on crankshaft repair, crankshaft grinding and polishing machine, diesel engine repair, or onsite crankshaft grinding contact us by email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

New and Reconditioned Cylinder Liners

Cylinder liners for popular engines like MAN-B&W, Sulzer, Wartsila, Mak, Deutz, Pielstick, Mitsubishi, Daihatsu, Yanmar, Bergen, Niigata, Himsen, Allen, Stork, Fiat, MWM, Hanshin, Caterpillar, SKL, Ruston, Paxman, Crepelle, Mirrlees, Alco, ABC, Crepelle, Nohab are manufactured by RA Power Solutions Pvt. Ltd.

The cylinder liners are centrifugally cast, machined and honed in-house. RA Power Solutions manufacturers cylinder liners up to 500 mm bore with height of 1500 mm. Cylinder liners are regularly exported.

RA Power Solutions Pvt. Ltd. also supplies second hand and reconditioned cylinder liners. Each cylinder liner is subject to crack detection test by MPI and Dye penetrant inspection. Cylinder liners are honed. We ensure that the remaining life of the cylinder liners is more than 80% and the cost is approximately 1/3rd of the new cylinder liners.

The reconditioned cylinder liners are popular and used in large by the shipping companies, diesel power plants having engines which are old and companies have stopped production.

Note: The writer of this article is Mr. Raj Shahani, Managing Director of RA Power Solutions Pvt Ltd.

For more detail on cylinder liners manufacturers and reconditoned cylinder liners contact us today email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Revolution in Crankshaft Grinding- RA Power Solutions

Good News for Shipping Companies, Power Plants, and Repair Workshops.

A crankshaft grinding machine up to 700 mm diameter is designed, developed, and manufactured by RA Power Solutions. The machine is having following features:

Crankshaft Machine Design: The Crankshaft Machine is portable, light weight and can be carried to the site. Nowadays, there is no need for the disassembly of a complete engine.

Operation of Crankshaft machine: The machine is operated pneumatically or by electrical motor. The design is so simple and machine can be easily operated by a skilled technician.

Quality: Crankshaft grinding machine is capable of maintaining close tolerance in terms of taper and ovality up to 20 microns and can also achieve the surface finish as per the International standards.

Training: RA Power Solutions Pvt. Ltd. provides training to the clients, and technicians for the duration of 3 days. The assembly, operation, and maintenance of the machine are explained.

Cost of Machine: Presently, shipping companies and power plants having high-capacity diesel generating sets have no option but to call for technicians from the companies based in Norway, Singapore, UK and various countries by paying exorbitant amount and travel expenses. The Crankshaft grinding machine is manufactured by RA Power Solutions is very reasonably priced and the cost can be recovered in 1 or 2 jobs of repairs.

RA Power Solutions supplied more than 60 In situ crankshaft grinding machines and crankshaft polishing all over the world which are performing satisfactory.

Disassembly of Crankshaft Grinding Machine with Pneumatic Motor

Assembly of Crankshaft Grinding Machine in Progress

Assembly of Crankshaft Grinding Machine with Pneumatic Motor — Assembly of Machine with Pneumatic Motor

For more information on revolution in crankshaft grinding and polishing , Crankshaft Repair contact us today by please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.