Cylinder Liners | Cylinder Sleeves– Marine & Diesel Engine

The quality of cylinder liners and cylinder sleeve is of great importance. Cylinder liners and cylinder sleeves manufactured and exported by RA Power Solutions have the OEM tolerances and standard. The cylinder liners are manufactured by centrifugal process and in-house machining maintaining the tolerances is done. The honing of cylinder liner is of great importance. The Chris Marine honing machines are used to maintain the criss cross pattern which is essentially required for retaining of oil.

 

CKD Skoda Cylinder Liners & Sleeves Manufacturer
CKD Skoda Cylinder Liners & Sleeves Manufacturer

We manufacture cylinder liners up to the length of 1500 mm irrespective of their material composition and design. The cylinder liners and cylinder sleeves for all popular makes of engine and their models are available ex-stock. RA Power Solutions also manufactures cylinder liners according to the sample or the manufacturing drawing provided by the user. Cylinder liners and cylinder sleeves for various applications including compressors, forging hammers are manufactured.

The cost of cylinder liners is low in comparison to liners supplied by engine manufacturer. Thus it results to considerable reduction in the cost.

The cylinder liners are exported all over the world. Each cylinder liner prior to dispatch is subject to  dimensional inspection by quality control department. The inspection reports are shared with the client.

We stand guarantee for the satisfactory performance of liners for the period of 18 months from the date of dispatch or 6000 hours of operation whichever is earlier.

Cylinder Liners Manufactured for Marine Engine
Cylinder Liners Manufactured for Marine Engine
Cylinder Liners & Sleeves of MAN Diesel Engine
Cylinder Liners & Sleeves of MAN Diesel Engine

For more information, please email us on info@rapowersolutions.com or call us on 91-9582647131

Crankshaft Grinding Machine | Crankshaft Grinder| Global Onsite Repairs– RA Power Solutions

Engine population is rapidly increasing for shipping industry, power plants and various applications. In most of the cases engines are used not only for the emergency purpose but as a base load. The continuous running of diesel engine results to wear and tear of crankpin and main journal of the crankshaft. In certain cases taper and ovality more than the permissible limit is developed in the crankpin and the crankshaft main journal.

Damaged Crankpin of Engine
Damaged Crankpin of Engine
Inspection of Engine Before Grinding
Inspection of Engine Before Grinding

 

 

 

 

 

 

 

The disassembly of the crankshaft from the main engine and to send it to the designated workshop is a lengthy process. This is now outdated. RA Power Solutions having the experience of more than four decades in repair of crankshaft have developed a portable, light weight onsite crankshaft grinding machine which can be taken to the site as an accompanying baggage. The onsite crankshaft grinding machine has following features:

 I) Light in weight, can be carried to the site easily.

II) Portable nature of onsite crankshaft grinding machine facilitates it to insert from the inspection window and undertake grinding and polishing of crankpin.

III) Machine is designed and can maintain the taper and ovality within 0.02 mm. This meets with the OEMs tolerances.

IV) Surface finish and other parameters can be maintained as per the international norms.

V) Onsite crankshaft grinding machine is easy to operate

VI) Onsite training is provided for smooth running of crankshaft grinding machine.

VII) More than 70 machines sold all over the world and performing satisfactory.

VIII) Insitu crankshaft grinding machines are low priced and recommend for repair workshops, shipping and engineering companies and power plants.

Inspection of Connecting Rod on Board a Vessel
Inspection of Connecting Rod on Board a Vessel
Inspection of Engine is in Process
Inspection of Engine is in Process

 

 

 

 

 

 

 

Crankshaft grinding machines exported to various countries including Dubai, Singapore, Bangladesh, Indonesia, Greece, Qatar, Nigeria, South America, etc.

For more information, please email us on info@rapowersolutions.com

Grinding of Crankpin is in Process
Grinding of Crankpin is in Process
Crankpin After Grinding
Crankpin After Grinding

Crankshaft Machining | Crankshaft Grinding | Crankshaft Polishing | Onsite– RA Power

With the experience of more than four decades, RA Power Solutions has been the leader in providing insitu crankpin, main journal grinding and machining. The removal of crankshaft from the engine block incase of accident or normal wear and tear is not required. The removal of crankshaft from the engine block is a lengthy process and expensive and engine manufacturers are to be contacted for the disassembly and removal of the  Crankshaft from engine.

The onsite crankpin, main journal grinding and polishing is undertaken by RA Power Solutions using the state of art equipment which can be taken to any site on ship or land based industry.

Crankshaft Machining on Board a Vessel
        Crankshaft Machining on Board a Vessel

The onsite crankshaft grinding machine is placed on the damage crankpin through the inspection window provided in the crankcase. Due to the compact design of the machine, most of the crankshafts can be repaired onsite.

RA Power Solutions undertakes onsite grinding of crankshaft and polishing of diameter ranging from 60 mm to 700 mm.

Onsite Crankshaft Grinding & Polishing Machine
Onsite Crankshaft Grinding & Polishing Machine
Crankshaft Grinding Machine- Grinding Crankpin
Crankshaft Grinding Machine- Grinding Crankpin

 

 

 

 

 

 

 

The jobs of crankpin and main journal repair of crankshaft executed by us have following features:

I) Having latest quality control measuring instruments to check hardness, crack by MPI, taper, ovality , surface finish, etc.

II) All instruments used for measuring the crankpin and main journal diameter are periodically sent to the laboratory for calibration. Valid certificate are kept in record as per the requirement of inspection agencies.

III) Latest design and technology instruments/Equipments are used prior to repair of the crankshaft and after the repair are executed.

Grinding of Crankpin is in Process
          Grinding of Crankpin is in Process

Advantage of RA Power Solutions for Crankshaft and Main Journal Repair

I) Crankshafts are repaired onsite up to the diameter of 700 mm. No need of removal of crankshaft.

II) Experienced team of technicians is always ready to leave for sailing all over the world.

The holding of seamen passport by technicians’ facilitates them to fly out to any country in short notice.

III) The robust design, use of titanium for manufacturing the body of crankshaft grinding machine ensures minimum or no vibration while crankshaft grinding machine is in operation. The job of repair of crankshaft can be executed while the vessel is sailing.

All the services required for repair of engine and to put it back to the operation are extended by RA Power Solutions including commissioning and trial part.

IV) The experience of repairing over 10,000 crankshaft makes us leader in this field. Cost of repair of crankshaft and the services offered are the lowest in industry. This is possible due to continuous upgrading of technology and process followed by us.

For more information, please email us on info@rapowersolutions.com or call us on +91-9582647131

Finished Crankpin After Grinding
Finished Crankpin After Grinding
Damaged Crankpin Before Grinding
Damaged Crankpin Before Grinding

Crankpin Grinding | Crankpin Repair by Insitu Crankshaft Grinding Machine- RA Power Group

Crankpin grinding, crankpin repair by insitu crankshaft grinding machine is offered by RA Power Solutions through highly motivated  team of technicians who have the experience of four decades in crankshaft grinding and crankshaft repair. It is important that the crankshaft is initially inspected by the experienced technicians in order to detect the fault after the damage or accident.

Damaged Crankpin of Yanmar Engine
Damaged Crankpin of Yanmar Engine
Inspection of Crankpin Under Process
Inspection of Crankpin Under Process

 

 

 

 

 

 

 

Following are the major parameters which are examined before the repair of crankshaft:

I) Minimum and maximum diameter of the crankpin and main journal, taper and ovality is checked.

II) Run out of main journals and deflection readings are taken to verify the loss of alignment.

III) Complete non-destructive test using MPI and ultraviolet lamp for heat cracks is undertaken of crankpins and the main journal of the crankshaft.

IV) Crankshaft is also subject to hardness test.

Based on the preliminary inspection reports prepared by the technicians the repair procedure is planned. The onsite crankshaft grinding machine used for the crankshaft repair is light weight and is placed on the damaged crank pin from the inspection window of the engine block.There is no requirement of removing the crankshaft from the Entablature and send it to the workshop as bench type grinders are now out dated.

Inspection of Crankshaft by Latest UV Torch
Inspection of Crankshaft by Latest UV Torch
Crankpin Grinding of Diesel Engine While Vessel is Sailing
Crankpin Grinding of Diesel Engine While Vessel is Sailing

The crankshaft grinding and crankshaft polishing is undertaken maintaining taper and ovality, surface finish as per the OEMs requirement. RA Power Solutions have facilities to undertake insitu crankshaft grinding, crankshaft polishing and crankshaft repair up to the diameter of 700 mm without removing the crankshaft from the engine block.

During and after the repairs all the major technical parameters are checked and calibration report is prepared.

It is possible to execute the crankshaft grinding and crankshaft repair on board a vessel while it is sailing. Technicians have seaman passport and can travel to any part of the world in a shortest possible time thus attending to the damaged engine in short time. We are class approved and stand guarantee for the satisfactory performance of crankshaft after repairs.

We are commonly working on following engines:

Wartsila, Daihatsu, Mirrless Blackstone, Yanmar, Allen, MAK, MAN, B&W, Sulzer, Caterpillar, Fiat, Mitsubishi, MTU, Cummins, Deutz, Nohab Polar, Wartsila 12V32, Wartsila 18V32, Pielstick, Bergen , Detroit Diesel, MaK 552 , MaK 453 , MaK 451 AK, Niigata, MaK 452 AK, Ruston, Lister Blackstone K8 Major MK2, Volvo Penta, etc.

For more information, email us on info@rapowersolutions.com

Crankshaft Radius Under Machining
Crankshaft Radius Under Machining
Crankpin Grinding and Crankpin Polishing is in Process
Crankpin Grinding and Crankpin Polishing is in Process

Cylinder Liner and Cylinder Sleeves Suppliers and Exporters

RA Power Solutions is an ISO certified company. We are the leading manufacturer and exporter of cylinder liners and cylinder sleeves mainly for high capacity diesel engines. A company having four decades of experience in manufacturing of engine components, providing onsite repair and maintenance service to diesel engine power plants and shipping industry understands the importance of cylinder liners.

CKD SKODA Cylinder Liner Developed with the help of Drawing
CKD SKODA Cylinder Liner

We have highly experienced and skilled employees who are technically qualified to produce highest quality of cylinder liners and cylinder sleeves.

The cylinder liners are manufactured by centrifugal casting machines and automatic shell moulding with core shooter machine. The company is having facility to manufacture the cylinder liner up to the bore size of 600 mm and length of 1300 mm.

The machine shop is equipped with latest CNC machines which is supported by in-house quality control equipment like roughness tester, inspection gauges, spectrometer, etc.

Our quality assurance team helps us to maintain the international standard of quality as per the manufacturers of the engine.

MAK Engine Cylinder Liner
MAK Engine Cylinder Liner

We manufacture cylinder liners for following engine make and model:

CKD Skoda (All models of Engine), Ruston, Allen, B&W, DAIHATSU, MAN, Mirrlees Blackstone, Niigata, Caterpillar, Deutz, Wartsila, Sulzer, Yanmar, Bergen, Mitsubishi and Cummins etc.

We export cylinder liners to various countries like South America, UK, Nigeria, Indonesia, Singapore, Qatar, Dubai, etc.

Wartsila Cylinder Liner Manufacturer
Cylinder Liner Manufacturer
Cylinder Liners of Wartsila Engine Exported to Power Plant
Cylinder Liners of Wartsila Engine Exported to Power Plant

Onsite Crankpin Grinding- Large and Small Engine Repairs

RA Power Solutions is engaged in onsite crankshaft grinding, crankshaft machining and crankshaft repair of small and high capacity engines. The crankshafts and all cylindrical shafts of rotatory equipment are repaired onsite without disassembly.

Onsite Crankshaft Grinding While Vessel is on Move
Onsite Crankshaft Grinding While Vessel is on Move

Following are the main features of the services offered related to crankshaft repair:

I) Experience technicians undertake crankshaft inspection which includes dimensional calibration for taper, ovality and hardness testing.

II) In case of failure of bearing or serious damage, it is important to undertake crack check. We recommend magnetic particle inspection and dye penetrant.

III) Checking  loss of alignment of crankshaft by deflection gauge or taking the run-out of the main journal.

IV) Straightening of crankshaft is undertaken if required.

V) Radius fillet original profile is maintained in case of damage.

VI) Onsite crankshaft grinding, crankshaft repair is undertaken by using

Onsite Crankshaft Grinding Machine
Onsite Crankshaft Grinding Machine

crankshaft grinding equipment maintaining the crankpin and main journal tolerances as per manufacturers.

VII) Surface finish after crankshaft grinding and polishing is of great importance and is maintained.

Main points related to crankshaft repair services offered by RA Power Solutions:

I) Company having 40 years of experience in repair of crankshaft can easily detect the damage caused to the crankshaft due to accident.

II) We are experts in salvaging the crankshafts which as per the manufacturers are rejected. This is possible due to our vast experience,knowledge and use of latest technological equipment.

III) Large team of experienced technicians having valid passport and seaman book and  can travel all over the world in shortest possible notice.

IV) In field of crankshaft repair we are the leaders, most experienced, sincere and trust able.

V) The services provided is on the lowest rates and can be compared with other companies.

VI) Only company having executed more than 11,000 jobs of crankshaft repair and engine overhaul maintenance worldwide.

VII) All the repair services related to high capacity diesel generating sets is offered with guarantee.

Inspection of Crankpin is in Process
Inspection of Crankpin is in Process
Repair of Crankpin by Crankshaft Grinding Machine
Repair of Crankpin by Crankshaft Grinding Machine

Only company in the world manufacturing onsite crankshaft grinding machine and onsite polishing machine and have sold more than 70 units all over the world.

For more information, please email us on info@rapowersolutions.com

Crankshaft Repair Services India by RA Power Solutions

Crankshaft needs repair or grinding in case of following defects:

  • Development of excessive taper and ovality more than the tolerances stipulated.
  • Loss of alignment of crankshaft.
  • Seizure of bearing, development of line marks.
  • Development of pitting and rough surface of crankshaft main journal and crankpin

RA Power Solutions offer crankshaft repair services for last four decades to the land based engine and engines installed on vessels.

Crankshaft Repair Services While Vessel is Sailing
Crankshaft Repair Services While Vessel is Sailing
Crankshaft Grinding Services- Power Plant
Crankshaft Grinding Services- Power Plant

 

 

 

 

 

 

 

The onsite repair services of crankshaft helps in getting the engine back into operation in minimum time. Following crankshaft grinding services are offered by RA Power Solutions at Sea, on land or in shipyard:

  • Onsite Crankshaft Repair
  • Crankshaft Straightening
  • Onsite Crankshaft journal repair
  • Crankshaft Regrinding
  • Onsite Crankshaft polishing
  • Onsite Main bearing Regrinding
  • Onsite Crankshaft machining
  • Orbital crankpin machining/regrinding
  • Main bearing machining
  • Insitu Main bearing Main Journal Polishing

RA Power Solutions has technicians who are well trained and have executed successfully more than 11,000 jobs of crankshaft repair. We are also considered to be lowest priced in industry.

Crankshaft Grinding being done on a Small Crankpin Width
Crankshaft Grinding being done on a Small Crankpin Width
Crankpin After Grinding by Crankshaft Grinding Machine
Crankpin After Grinding by Crankshaft Grinding Machine

 

 

 

 

 

 

 

For any services related to crankshaft grinding, crankshaft repair, crankpin polishing or diesel engine repair, please free to write us on info@rapowersolutions.com

Crankshaft Grinding, Crankshaft Polishing and Crankshaft Repair Machine

RA Power Solutions is the first company to introduce portable, light weight, onsite crankshaft grinding, crankshaft polishing and crankshaft repair machine on the lowest price.

With the introduction of revolutionary onsite crankshaft grinding machine, now it is possible to save the repair cost of crankshaft. The onsite crankshaft grinding repair machine has proven its worth with 70 clients based all over the world.

Onsite Crankshaft Grinding Polishing Machine having following features:

I) Onsite Crankshaft Grinding Polishing machine can undertake crankshaft grinding and crankshaft polishing up to 700 mm diameter without dismantling of crankshaft.

Crankshaft Grinding Machine Packed in Steel Box for Dispatch
Crankshaft Grinding Machine Packed in Steel Box for Dispatch

In terms of taper and ovality tolerance can be maintained within 20 to 30 microns or as per the manufacturer’s requirement.

II) For long life of bearings and crankshaft it is important to have high level of surface finish with Onsite Crankshaft Grinding Polishing Machine it is possible to maintain surface finish 0.15 RA value.

III) Onsite Crankshaft Grinding Polishing Machine is easy to operate and on job training is also provided.
IV) Onsite Crankshaft Grinding Polishing Machine can be carried as a accompanied baggage by the technicians all over the world.

V) Onsite Crankshaft Grinding Polishing Machine is ideal for grinding and polishing of main engine and auxiliary engine on board the vessel. All popular make of engine crankshaft can be repaired like MAK, MAN, Wartsila, Daihatsu, Ruston, Yanmar, Mirrless Blackstone, SKODA, etc.

VI) Onsite Crankshaft Grinding Polishing Machine supplied all over the world including Nigeria, Dubai, Singapore, South America, Italy, Maldives, Indonesia, Bangladesh, etc.

For more information, please email us on info@rapowersolutions.com

Grinding of Crankpin by Crankshaft Grinding Machine is in Process
Grinding of Crankpin by Crankshaft Grinding Machine is in Process
Crankshaft Grinding Machine for High Diameter
Crankshaft Grinding Machine for High Diameter

Crankshaft Grinding Machine

Crankshaft grinding or crankshaft repair is required in case of development of taper and ovality in the crankpin or crank main journal.

In case of accident, bearing failure, crankshaft needs grinding and repair. RA Power Solutions having experience of more than 4 decades in repair of crankshafts of high capacity marine engines and diesel engines installed in power plants have introduced onsite crankshaft grinding machine which is capable of undertaking machining, grinding and polishing of crankshaft, main journal and crankpin onsite without disassembly of the engine . The onsite crankshaft grinding machine is easy to operate and can be taken to the site.

RA Power Solutions as a repair company is using the crankshaft grinding machine for last more than 20 years and have executed more than 10,000 jobs of repair and grinding of crankshafts. The performance of crankshaft grinding machine is proven and is highly recommended by the leading workshops undertaking the repair and grinding of crankshafts in various countries like Sudan, Nigeria, Singapore, Dubai, South America, Indonesia, Mauritius, Greece, etc.

The machine is available on a low cost and on job training is provided. For more information, please email us on rajshahani@rapowersolutions.com

Crankshaft Grinding Machine
Crankshaft Grinding Machine
Onsite Grinding Machine for Small Diameter
Onsite Grinding Machine for Small Diameter

Metal Stitching and Metal Locking of Engine Block by RA Power Solutions, India

There is no need of replacement of major components of engine or the equipment installed in heavy engineering plants in case of development of crack or damage of casting.

It is possible to undertake onsite repair of crack and damaged component irrespective of its application and profile by metal stitching and metal locking process.

JIBB PLATE OF 225 TON
JIBB PLATE OF 225 TON
BROKEN AREA
BROKEN AREA
REPAIR BY METAL STITCHING PROCESS
REPAIR BY METAL STITCHING PROCESS
FINISHED BY RA Power Solutions, India
FINISHED BY RA Power Solutions, India

The main features of undertaking crack repair and repair of damaged casting of engine block and heavy cast components by metal locking are as follow:

I) RA Power Solutions uses cold process of metal lock and metal stitching for repair of cracks and damaged components.

II) It is possible to replace the large portion of damaged components by using new casting piece, this is done by metal stitching and metal locking process.

Metal Stitching of Engine Block in Process
Metal Stitching of Engine Block in Process

III) Metal stitching and metal locking is the most trusted technology of crack repair as no heat is generated. It is a cold process and there is no change in the shape and profile of the component unlike in the welding process.

IV) Repair of crack by metal stitching and metal locking is possible onsite without disassembly of the equipment.

V) The crack repair and repair of damaged casting by lock and stitch method is far more cost effective than the purchase of expensive and new parts.

Only company providing crack repair services on board the vessel while it is sailing. All repairs undertaken are guaranteed by RA Power Solutions engineers.

A company with four decades of experience.

Metal Stitching and Metal Locking Under Progress
Metal Stitching and Metal Locking Under Progress
Engine Block Ready After Metal Locking Process
Engine Block Ready After Metal Locking Process