Marine Engine Overhauling and Repair

Crankshaft Repair on Board a Vessel by Experienced Engineers – RA Power Solutions

RA Power Solutions Pvt. Ltd. can easily undertake crankshaft repair on board a vessel while it is sailing by using special equipments.

We can undertake crankshaft repair up to the diameter of 700 mm while the vessel is sailing in high seas in anchorage or at berth. This result to considerable saving for ship repairs as no time is wasted for crankshaft repair as it does not require any anchorage or berth.

RA Power Solutions having 37 years of experience have executed more than 10,000 jobs of repair of crankshaft successfully which is a record.

Damaged Crankpin of MAN Marine Diesel Engine

The crankshafts which have been even rejected by the manufacturers are successfully repaired by us using various process/special equipments which we are learned from our experience. All the repair of crankshaft executed by us is guaranteed for the satisfactory performance. The tolerances as stipulated in the manual are strictly maintained.

Most of our technicians have seaman book and they can sail to any part of the world.

For more details regarding in situ crankshaft grinding, crankshaft repair on board a vessel and onsite crankshaft repair please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Lock and Stitch Cast Iron Repair by RA Power Solutions Pvt. Ltd.

Repair of cracks developed in commonly used industrial castings and metal is possible to repair by cold method called lock and stitch. It is also known as metal stitching and metal locking. In case of cast iron equipments and parts damaged in to pieces.

RA Power Solutions Pvt. Ltd. undertakes repair by lock and stitch process which is cold method as no heat is generated. Crack repair by lock and stitch method in cast iron is proved to be of great success in comparison to the crack repair by welding.

In case of critical cast iron components like engine block, main journal housings, cylinder heads, turbine casings crack repair by metal stitching is highly recommended as it does not develop any misalignment of the casting or shrinkage. We undertake crack repair of cast iron for last more than 37 years on time, within budget and with experienced technicians.

Cast iron repair by metal stitching and metal locking process have following main advantages:

Repair of broken casting or crack developed in casting irrespective of its length is possible on site without dismantling the equipment.
Saves replacement of parts or equipments in totality and reduces downtime.
Cast iron repair by metal stitching and metal locking is the only process which restores strength in cast iron beyond the original casting.

Engine Block of MAN Diesel Engine Broken Ito Pieces

Metal stitching and metal locking is the only method known to be successful in replacing of the large pieces of broken casting with new piece.
Metal stitching and metal locking is the process which caters to heavy industry.

RA Power Solutions Pvt. Ltd. is the only company which can undertake crack repair by Lock and stitch method while vessel is sailing.

Metal Stitching of Forging Press – Crack Measuring 230 inches

Repair of Engine Block of Yanmar Engine on Vessel

For more details regarding Engine Block of MAN Diesel Engine please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Crankshaft Repair in Low Cost – RA Power Solutions

RA Power Solutions Pvt. Ltd. provides crankshaft repair without dismantling of crankshaft from the engine block.

The crankshaft repair on site is cost-effective with minimum downtime.

We are Indian company based in New Delhi with 37 years of experience in repair of crankshaft. We are cost-effective and considered to be most experienced organization. The crankshaft repair of large industrial engine, marine engine, compressor, and rotatory equipments is executed irrespective of its location. We are equipped with latest design of crankshaft repair machines which are compact and lightweight.

The crankshaft repair grinders have minimum vibrations, thus the close tolerances of crankpin and main journal diameter can be maintained after grinding and polishing.

Crankshaft Repair On Land, Anchorage or at Sea

Crankshaft repair services up to diameter of 700 mm are extended for land-based engine, vessel on anchorage, or vessels on move in high seas. Our technicians are trained and experienced to work in any condition with the latest design of crankshaft grinder.

Crankshaft Repair on Land. — Crankshaft Repair on Land

The onsite repair of crankshaft considerably reduces the cost of repairs, reduces the downtime when every minute of breakdown means a lot of inconvenience and loss of revenue.

Crankshaft repair covers following activities:

Crankshaft Straightening
Main Bearing Journal grinding/ Polishing/Superfinishing
Crankshaft Grinding/ correction of lub oil and radius profile
Crankshaft Journal Repair
Orbital Crankpin Machining/Regrinding
Crankshaft Keyway Repair
Main Bearing Machining
Crankpin inspection ie hardness, crack check etc
Crankshaft Polishing
Crankshaft peening
Main Bearing Regrinding
Crankshaft Machining

Crankshaft Repair of Hyundai Diesel Engine

If you are in need of crankshaft grinding or repair services, please contact RA Power Solutions today for crankshaft grinder Dial +91 9582647131 or +91 9810012383 and email info@rapowersolutions.com, rajshahani@rapowersolutions.com.

High Quality Marine Engine Spares – RA Power Solutions

RA Power Solutions Pvt. Ltd. provides engine repair and crankshaft grinding services for the last 45 years to the shipping industry and diesel engine-driven power plants. Our expertise is in the repair of high-value spare parts onsite like crankshaft, cylinder heads, cylinder liners, connecting rods, and other marine engine spares.

We offer top-tier Marine Engine Spares of the highest quality, designed to keep your marine engines running smoothly and efficiently. Our meticulously crafted spares ensure optimal performance and durability, making them the preferred choice for shipowners and operators worldwide. All the marine engine spare parts and diesel engine spare parts are supplied with complete guarantee.

We manufacture and supply diesel engine spare parts and supporting equipment for all reputed make of marine engine like MAN-B&W, Sulzer, Wartsila, Mak, Deutz, Pielstick, Mitsubishi, Nohab, Daihatsu, Yanmar, Bergen, Crepelle, Niigata, Himsen, Allen, Stork, MWM, Hanshin, Caterpillar, Ruston, Paxman, Mirrlees, Alco, Fiat, ABC, Crespelle, SKL, etc.

Reconditioned marine engine spare parts are also supplied by us including crankshaft, cylinder heads, cylinder liners, connecting rods, piston rods, camshafts, etc. with a guarantee as ours is the only company having 37 years of experience undertaking the reconditioning of spare parts by highly skilled technicians using modern equipment.

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

We also export marine engine spares and supporting equipment like fresh water generators, heat exchanger gaskets, electric motors, etc. to various countries like Qatar, Dubai, South America, Indonesia, Singapore, UK, Germany, Norway, etc.

For more information on MAN B&W Marine Engine Spare Parts, Marine Engine Cylinder Liners, Marine Engine Spare Supplier, marine engine spare parts, and diesel engine spare parts email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Cylinder Liners for Wartsila Diesel Engine

Lock and Stitch Cast Iron Repair | Crack Repair in Cast Iron

Heavy castings like turbine casing, gearboxes, engine block, heads and heavy cast iron parts need not to be disassembled in case of development of crack in casting or breakage of casting in to pieces due to accident.

Cold metal stitching and metal locking process is used to repair cracks in cast iron. The process of crack repair by metal stitching and metal locking does not require any welding and generation of heat. The time has proved that the crack repaired in casting by metal stitching and metal locking is far stronger and more durable in comparison to the repair of crack by welding process.

Repair of Broken Casting by Metal Stitching Process

In most of the cases crack repair in casting is possible onsite and there is no need of transporting the heavy cast piece to the workshop. RA Power Solutions Pvt. Ltd. undertakes crack repair by metal stitching and metal locking process for last more than 3 decades and have executed number of repairs successfully all over the world.

RA Power Solutions Pvt. Ltd. is the first company which can undertake repair of high capacity engine blocks, turbine casings, cylinder heads and all cast parts installed on the vessel while it is on move.

Assembly of Broken Pieces of Engine Block

Metal Stitching of Engine Block in Process

The lock and stitch cast iron repair executed by us is guaranteed for satisfactory performance. We are cost-effective and priced lowest in the industry.

Metal Stitching and Metal Locking of Engine Block

For more updates on repair of crack in cast iron casting, cast iron crack repair, repair of high-capacity engine blocks, cast iron stitching, or crack repair in cast iron email info@rapowersolutions.com, rajshahani@rapowersolutions.com, call at +91 9582647131, or +91 9810012383.

Cylinder Liners and Cylinder Sleeves- RA Power Solutions

Cylinder liners are integral part of diesel engine. RA Power Solutions Pvt. Ltd. manufactures cylinder liners having bore size up to 650 mm and length of 1500 mm. The metallurgy of casting is maintained strictly as per the requirement i.e. RPM, load characteristics and design features. The cylinder liners are centrifugally cast in a modern, well equipped foundry. After casting of cylinder liners, each cylinder liner passes through stringent quality control procedures. Presence of hairline cracks is checked by magnetic particle inspection (MPI) and is conducted by a trained and experienced technician.

The cylinder liner casting is visually checked for the presence of blow holes, porosity, or any abnormality during the casting of cylinder liner.

The cylinder liners are initially rough machined in-house by the latest design of machine and tools installed at our works. The final machining is undertaken on DRDO-equipped machines which are capable to maintain close tolerances as per the manufacturer’s requirement. The honing operation of cylinder liners is undertaken on world famous Chris Marine machines imported from Sweden.

The cylinder liners are finally checked for all dimensions and reports are prepared. We maintain large stock of cylinder liners for popular makes of diesel engine which includes following: Wartsila, Mak,Deutz, Bergen, Niigata, Himsen, Allen, Stork, Fiat, MWM, Hanshin, Caterpillar, etc.

All the cylinder liners supplied by us are guaranteed for satisfactory performance and are priced considerably lower than the cylinder liners manufactured by other manufacturers.

RA Power Solutions Pvt. Ltd also supplies reconditioned cylinder liners which are re-honed in-house and have minimum wear and tear. We also manufacture cylinder liners as per the customer’s drawing or sample, in case it does not fall in our present range of manufacturing.

You can write us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383..

*Cylinder Liners of High Capacity Diesel Engine*

*Cylinder Liners of Allen Diesel Engine*

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.

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 36 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 by metal stitching and metal locking 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 metal locking and metal stitching 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 by metal stitching, metal locking, 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 | Crankshaft Machining Insitu

Insitu grinding of crankshaft and polishing is offered by RA Power Solutions Pvt. Ltd. for last more than 3 decades. Our experienced technicians reach a site in the minimum possible time with the In situ crankshaft grinding machine and undertake crankshaft repair without removing the crankshaft from the main engine.

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

The In situ crankshaft grinding 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 last more than 43 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 in situ crankshaft grinding, 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.