Crankshaft Grinding Machine | Cylindrical Shaft Grinding and Polishing Machine | Crankshaft Grinding

RA Power Solutions is having more than forty years of experience in the field of repair, overhaul, and maintenance of high-capacity marine diesel engines installed on board the vessel and land-based diesel generating sets used for various applications. We are crankshaft specialists and have executed successfully onsite repair of crankshafts up to 700 mm diameter number exceeding more than 10,000 all over the world.

Cylindrical Shaft Grinding and Polishing Machine

Two decades back, RA Power Solutions developed and manufactured an onsite crankshaft grinding machine and onsite cylindrical shaft grinding machines having a range starting from 35 mm to 700 mm in terms of the diameter of the shaft on date more than 70 machines have been sold all over the world.

Insitu Crankshaft Grinding Machine Ready for Dispatch
Insitu Crankshaft Grinding Machine Ready for Dispatch
Accessories for Crankshaft Grinding Machine
Accessories for Crankshaft Grinding Machine

Our clients include companies providing services to industries and shipping companies, large industries, and workshops undertaking repairs of heavy equipment. The complete range of onsite crankshaft grinding machines and polishing machines is designed for high precision and a high volume of repair in a short duration.

It is a highly technological in situ grinding machine with a simple control system to deliver and maintain the international standards in terms of tolerances after grinding.

Construction of In Situ Crankshaft Grinding and Polishing Machine

The main casing of the onsite crankshaft grinding machine is made up of titanium steel which has a strong structure and high vibration absorption properties. This has been of great benefit, especially while undertaking grinding and polishing of crankshaft and all cylindrical shafts on board a moving vessel.

Crankshaft Grinding Machine for Bigger Diameter
Crankshaft Grinding Machine for Bigger Diameter

The other benefits are as follows:

  • Keep the temperature constantly low
  • Reduce the vibration on the machine
  • Improvement in strength The advanced technique of the onsite crankshaft grinding machine makes grinding and polishing very easy

The in situ crankshaft grinding & polishing machine has the following capabilities:

  • Range starting from 35 mm to 700 mm which covers crankshaft of most popular engines and their models.
  • Lightweight, compact, and easy to carry to any destination.
  • Easy to operate and maintain.
  • Does not require any day-to-day maintenance.
  • The crankshaft Grinding Machine is designed to maintain tolerance within 10 to 20 microns depending on the diameter of the shaft.
  • RA value with the Surface finish of fewer than 0.2 micrometers is achieved.
  • Compact nature of in situ crankshaft grinding and polishing machine facilitates to enter from even the smallest inspection window of the engine block.
  • Vibration is less and with a low noise level.
  • No heat is generated, easy to operate.
  • Free onsite training is provided for the operation of in situ crankshaft grinding and polishing machines.
  • Machine can be operated round the clock.
  • Options Available for Pneumatic Drive or Electrical Drive.
  • Highly recommended for crankshaft rebuilding, Cylindrical shaft grinding, and polishing.
Assembly of Crankshaft Grinding Machine with Pneumatic Motor
Assembly of Crankshaft Grinding Machine with Pneumatic Motor

The insitu crankshaft grinding and polishing machine is supported with complete data on crankshafts of popular makes and models of the engine giving the diameter, bearing width, and all the important parameters which are required for grinding of the crankshaft. The onsite crankshaft grinding and polishing machine is priced low and can be recovered in 2-3 grinding assignments.

For any details on crankshaft grinding, cylindrical shaft grinding and polishing machine, or crankshaft grinding machine manufacturers, please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Onsite Crankshaft Grinding Machine – We are the Specialist | RA Power Solutions

Removing the crankshaft from the engine block and sending it to the workshop for repairs is no more required. With the introduction of an onsite crankshaft grinding machine, the removal of the crankshaft for repairs is outdated. Crankshaft is an important mechanical component of the engine that performs a conversion between reciprocating motion and rotational motion and works under heavy stresses.

Crankshaft Grinding Machine Accessories
Crankshaft Grinding Machine Accessories
Crankshaft Grinding Machine Packed in a Steel Box for Dispatch
Crankshaft Grinding Machine Packed in a Steel Box for Dispatch
Crankshaft Grinding Machine for Bigger Diameter

RA Power Solutions knowing the importance of crankshafts and repairing them for the last four decades have introduced in situ crankshaft grinding machines with revolutionary technology.

Initially, for a period of 10 years, the onsite crankshaft grinding machines were designed and manufactured for our own use of repairing the crankshaft of main and auxiliary engines, engines installed in diesel power plants, mechanical rotatory equipment, etc.

These onsite crankshaft grinding machines are now sold in the open market and we have been successful in selling more than 70 onsite crankshaft grinding machines all over the world. Machines are available in the range of 35 mm to 700 mm in terms of diameter.

The main features of the onsite crankshaft grinding machine manufactured by us are as follows:

  • Lightweight, portable, and can be taken to any site all over the world.
  • Easy to operate, 7 to 10 days of training for the machinist is enough to understand the operation of the machine.
  • The onsite crankshaft grinding machine is capable to undertake grinding of CR pins, main journal, and also polishing.
  • All types of cylindrical shafts irrespective of their length can be polished and ground.
  • Tolerances in terms of taper and ovality within 0.03 mm can be maintained.
  • A high surface finish below 0.15 RA value is possible.
  • An onsite crankshaft grinding and polishing machine is ideal for shipping companies, diesel power plants, repair workshops, and companies looking for fast and reliable service for the repair of the crankshaft.
  • Unbelievably priced low.
Crankshaft Grinding Machine without pneumatic motor

The crankshaft grinding machine manufactured by RA Power Solutions is a future-ready technology. We provide consultancy, repair services, and machines related to crankshaft repair.

The training and development services to our clients along with the cost and support when required is the principle of the company. All technical support is provided to the customers to ensure that the right use of the machine supplied by us is made with proper process and efficiency.

The crankshaft grinding machine is a testament to RA Power Solutions’ commitment to delivering high-quality services to its clients. Equipped with advanced technology and operated by skilled technicians, the machine can effectively regrind and repair crankshafts of various sizes and complexities.

Onsite Crankshaft Grinding Machine

The author of the blog is Mr. Raj Shahani (Managing Director of the Company). He has more than four decades of experience in the field of crankshaft repair the high-capacity engine. He has developed an onsite crankshaft grinding machine to repair the crankshaft onsite saving an enormous time and money. Contact us today.

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.

Crankshaft Grinding Machine -Crankshaft Repair Tools- Mobile Machining of Crankshaft

In case of failure of crankshaft or bearing on a vessel/stationary power plant it results to extremely high cost for repairs and with long downtime. RA Power Solutions manufactures and exports onsite and insitu crankshaft grinding, and crankshaft grinding machine which saves considerable cost of repair and save time as disassembly of the crankshaft and transport to the workshop is not required.

Portable Crankshaft Grinding Machine
Portable Crankshaft Grinding Machine

The insitu crankshaft grinding machine performs and delivers the same quality standards which are achieved by old-designed, conventional bench-type crankshaft grinding machine.

Advantages of using RA Power Solutions Onsite Crankshaft Grinding Machine and Mobile Machine:

  • The company having more than 40 years of experience in grinding and repair of crankshafts of high-capacity marine and industrial engines and understands the importance of maintaining tolerances as per OEMs.
  • It is a highly advanced technology grinding machine which is designed to take the stress while machining and polishing of crankshaft, crankpin, and main journal.
  • Crankshaft Grinding Machine is lightweight and compact and can be easily taken to the site all over the world as accompanied baggage.
Crankshaft Grinding Machine Packed For Dispatch
Crankshaft Grinding Machine Packed For Dispatch
Crankshaft Grinding Machine Accessories Packed for Dispatch
Crankshaft Grinding Machine Accessories Packed for Dispatch
  • Customized tooling adapting to all makes of engine and models. Machine available in the range of 60 mm to 700 mm.
  • Onsite grinding of crankpin and main journal is possible with this grinding tool.
  • Onsite Crankshaft Machine is easy to operate and training is provided.
  • Machine body is made from titanium which results to the minimum vibration while in operation. Machines can be used on vessel while sailing.
  • The machine is designed to undertake onsite repair of crankshaft of all popular model of engines like Yanmar, Wartsila, Daihatsu, Man B&W, Mirrlees Blackstone, Ruston & Caterpillar, etc.

The company has sold more than 70 machines all over the world. It is highly recommended for repair workshops, power plants, shipping, and engineering companies.

For more information on crankshaft repair tools, and crankshaft grinding, please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Grinding of Crankshaft on a Moving Vessel
Grinding of Crankshaft on a Moving Vessel
Grinding of Crankshaft in a Power Plant by Crankshaft Grinder
Grinding of Crankshaft in a Power Plant by Crankshaft Grinder
Grinding of Crankshaft on VBlock by Crankshaft Grinding Machine
Grinding of Crankshaft on VBlock by Crankshaft Grinding Machine

Crankshaft Grinding Machine for Small Diameter – RA Power Solutions

The Introduction of Onsite Crankshaft Grinding Machine, Insitu Crankshaft Polishing and Grinding Machine, and Crankshaft Machining, there is no need of removing the Crankshaft and sending it to the work shop as now it is possible to undertake crankshaft grinding and crankshaft repair with revolutionary design of Onsite Crankshaft Grinding Machines manufactured by RA Power solutions.

Onsite grinding of crankshaft without removing it from the engine block is undertaken by taking the reference of radius fillet.

The onsite crankshaft grinding machine is placed on both side of the radius of the crankpin and tool rotates undertaking grinding and polishing of crankshaft. This process of crankshaft grinding by insitu crankshaft grinding machine is successful generally for the diameter of the crankpin of 200 mm and above having a bearing width of 125 mm minimum.

Crankshaft Grinding Equipment from 30 mm Diameter
Crankshaft Grinding Equipment from 30 mm Diameter
Insitu Crankshaft Grinder
Insitu Crankshaft Grinder

For the smaller diameter of the crankpin, it is not possible to undertake the grinding by taking the reference of radius fillet due to the space constraints.

RA Power Solutions has introduced a compact, easy to operate onsite crankshaft grinding machine which is suitable for grinding and polishing of small diameters of the crankpin above 30 mm. The crankpin bearing width can be as small as 30 to 40 mm. With this latest technological advance crankshaft grinding machine, it is easy to grind the smaller diameter of the crankpin having smaller crankpin bearing width.

The crankshaft grinding machine has the main features of machining, grinding and polishing of the crankpin. The tolerances in terms of taper, ovality, and surface finish are maintained far better than the manufacturer’s recommendation.

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

RA Power Solutions having 4 decades of experience in in situ crankshaft grinding have executed successfully repair of more than 11,000 crankshaft all over the world and are leaders in this field.

For your requirement of portable onsite crankshaft machine, crankshaft grinding machine, crankshaft grinding, and insitu crankshaft grinding machine you may write us at info@rapowersolutions.com.

Crankshaft Grinding Services by Experienced Technicians – RA Power Solutions

When it comes to maintaining marine engines, one vital aspect that deserves the utmost attention is the crankshaft. The crankshaft plays a crucial role in converting linear motion to rotational motion, and any wear or damage to this component can lead to a significant decrease in engine performance. However, thanks to the expertise of experienced technicians and specialized services like Crankshaft Grinding, marine engine owners can revitalize their crankshafts and restore optimal engine functionality. In this blog, we will delve into the significance of crankshaft grinding services and how they can breathe new life into your marine engines.

RA Power Solutions provides onsite crankshaft grinding services for last four decades. Crankshaft having diameter up to 700 mm is repaired onsite without removing the crankshaft from the engine block.

Repair of Crankpin
Crankshaft Grinding

The grinding of crankshaft onsite is possible by introduction of onsite crankshaft grinding machine which is portable, light weight and can be inserted from the inspection window of the engine block. RA Power Solutions also manufactures and sells crankshaft grinding machine. The crankshaft grinding services are offered by us through our technicians who are well trained in our workshop and have experience of providing crankshaft grinding services for last 30 to 35 years. After repair of crankshaft, the dimensional tolerances are maintained within 20 to 30 microns and surface finish as per the international standards.

Prior to undertaking grinding of crankshaft, all the major parameters of crankshaft i.e. dimensional inspection, hardness test, crack detection, deflection, etc. are checked.

In case the basic parameters are found within the repair limits, crankshaft grinding is undertaken. RA Power Solutions can maintain the tolerances strictly as per the manufacturer’s recommendations. With the introduction of latest design of onsite crankshaft grinding machine the vibrations in the crankshaft grinding machine are reduced to minimum. This ensures maintenance of close tolerance and also facilitates grinding of crankshaft on board a vessel while it is sailing in high seas. The grinding of crankshaft while sailing of the vessel results to the considerable saving to the owners.

Repair of Crankshaft on board a vessel

For more information on crankshaft grinding, repair of crankshaft, and onsite crankshaft grinding services please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Crankshaft Grinding and Crankshaft Repair by Experienced Technicians – RA Power Solutions

Crankshaft grinding and crankshaft repair are important for satisfactory performance of engine. RA Power Solutions Pvt. Ltd. has been undertaking crankshaft repair onsite by portable, light weight crankshaft grinding machine. The crankshaft repair is executed of crankshaft diameter ranging from 60 mm to 700 mm.

We have team of trained and dedicated technicians who are deputed to the site with crankshaft grinding machine along with necessary instruments. The crankshaft repair is undertaken without removing the crankshaft from the entablature.

Crankshaft Grinding of Wartsila Diesel Engine
Crankshaft Grinding of Wartsila Diesel Engine

The crankshaft grinding machine used to undertake crankshaft repair is of latest design having minimum vibrations. This facilitates our technicians to undertake crankshaft repair even while the vessel is sailing. The tolerance after crankshaft grinding and crankshaft repair is maintained within 10 to 20 microns in terms of taper and ovality.

The repair of crankshaft and overhauling of engine while sailing of the vessel between two ports results to the considerable saving to the ship owners as there is no need of holding the vessel at port or anchorage.

The crankshaft repair executed by us is guaranteed for the satisfactory performance. As on date we have executed more than 10,000 repair of crankshaft all over the world.

Crankshaft Grinding of MAN Diesel Engine
Crankshaft Grinding of MAN Diesel Engine

For more information on in situ crankshaft grinding machine and grinding of crankshaft please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Crankshaft Repair by Portable Grinding and Polishing Machine – RA Power Solutions

RA Power Solutions has four decades of experience undertaking grinding and polishing of crankshaft. We can undertake onsite grinding and polishing of crankshaft from 50 mm to 700 mm. Team of experienced technicians are deputed to the site with lightweight, portable crankshaft grinding machine. The repair of crankshaft is done without removing the crankshaft from the engine block. This saves time and cost involved in disassembly of crankshaft, packing, and transportation of crankshaft to the workshop.

Potable Crankshaft Grinding Machine
Potable Crankshaft Grinding Machine
Crankshaft Grinder
Crankshaft Grinder

Worldwide the repair of crankshaft in workshop is outdated. We depute our technicians all over the world with portable equipments for repair of crankshafts. The repair is executed strictly as per the manufacturer’s specifications and tolerances. The crankshaft repairs are guaranteed for satisfactory performance.

Repair of Crankshaft by Crankshaft Grinding Machine
Repair of Crankshaft by Crankshaft Grinding Machine
Crankpin After Grinding of Crankshaft
Crankpin After Grinding of Crankshaft

The recent introduction of vibration-less portable onsite crankshaft grinding machine facilitates us to execute crankshaft repair while vessel is sailing.

Our technicians have seaman passports and they can board the vessel from one port and disembark from another port. Thus, saving the cost of anchorage or stay at port.

Crankshaft Repair on Board the Vessel
Crankshaft Repair on Board the Vessel
Offshore Grinding of Crankshaft is in Process
Offshore Grinding of Crankshaft is in Process

We also manufacture crankshaft grinders which are priced low and easy to operate. These revolutionary machines are recommended for shipping companies, repair workshop heavy engineering company, etc.

For more information, call us at +91 – 124 – 4378292, +91 9582647131, or email us at rajshahani@rapowersolutions.com, info@rapowersolutions.com.

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.

Crankshaft repair

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
Damaged Crankpin of MAN Marine Diesel Engine
Crack Detection by MPI Before Grinding
Crack Detection by MPI Before Grinding

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.

Crack Detection of Crank Pin
Crack Detection of Crank Pin
Crankshaft Repair Under Process
Crankshaft Repair Under Process

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.

Revolution in Crankshaft Grinding- RA Power Solutions

revolution in engineering 11

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

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

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

Operation of Crankshaft grinding 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.

We have supplied more than 60 In situ crankshaft grinding machines all over the world which are performing satisfactory.

Disassembly of Crankshaft Grinding Machine with Pneumatic Motor
Disassembly of Crankshaft Grinding Machine with Pneumatic Motor

Disassembly of Crankshaft Grinding Machine
Disassembly of Crankshaft Grinding Machine

Assembly of Crankshaft Grinding Machine in Progress
Assembly of Crankshaft Grinding Machine in Progress

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

 

Packing in Progress- Insitu Crankshaft Grinding Machine
Packing in Progress- Insitu Crankshaft Grinding Machine

Onsite Crankshaft Grinding Machine Ready for Dispatch
Onsite Crankshaft Grinding Machine Ready for Dispatch

WORKING OF ONSITE CRANKSHAFT GRINDING MACHINE (400-450mm)

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

Introduction to RA Power Solutions Pvt. Ltd., India

Company is providing on site repairs of major components of diesel engine, pumps, compressors and all type of rotary equipments mainly crankshaft, engine block, cylinder heads, liners. The repairs are undertaken by trained and experienced technicians equipped with latest breed of specially designed and developed portable machining equipments. Repairs are executed strictly as per the guidelines and tolerances stipulated by the manufacturers. Company is involved in supplying spare parts and supporting equipments used in diesel power plant. The parts and the supporting equipments are directly sourced from the OEMs and are competitively priced. White metal bearings are manufactured as per the drawing or sample. Rebabbitting of old bearing is undertaken by centrifugal process. The white metal used is sourced from the reputed companies and in house facilities for quality checks are in place.

For more details regarding onsite crankshaft grinding, in situ crankshaft grinding machine, rebabbitting of bearing, engine overhauling, and engine block repair, please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.