RA Power Solutions offers top-notch crankshaft grinding services that are second to none in the industry. With years of expertise & state-of-the-art equipment, we specialize in the precise grinding of crankshaft, ensuring optimal engine performance and longevity. Our team of experienced technicians is well-versed in handling a wide range of crankshafts, from small engines to large industrial ones.
Whether it’s repairing a damaged crankshaft or enhancing its surface finish for improved functionality, RA Power Solutions is a trusted partner for all your crankshaft grinding needs. Our commitment to quality and efficiency makes us a preferred choice for clients seeking reliable & cost-effective crankshaft grinding services.
When it comes to crankshaft grinding services, RA Power Solutions stands out as a leader in the industry. We employ advanced grinding technology and a team of experienced professionals to deliver precision grinding solutions that meet the highest standards of quality and performance.
For more information on crankshaft grinding, crankshaft grinding machine exporter, crankshaft grinding for industrial and marine application, engine crankshaft grinding machine, or crankshaft grinding machine, contact us at rajshahani@rapowersolutions.com or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.
In situ crankshaft grinding machine is an ideal solution for repair of a damaged crank pin journal of diesel engine without dismantling of the crankshaft.
Benefits of In-Situ Grinding Machine:-
RA Power Solutions grinding technology and tools are not only user-friendly, but are also capable of grinding the crankshaft to close dimensional and with geometric tolerance. These grinding tools are portable and can be easily carried by technicians to the site.
Main Accessories of In-Situ Grinding Machine supplied by RA Power Solutions:
In situ grinding machine (Complete Set)
Mother Bush
Bush
Pneumatic Motor with Adapter
Hand valve
Hose Pipe
Hanging Pipe (G.I)
Pneumatic Hand Grinder
Mops, Mounting Wheel & Rubber Base Wheel
Consumables and grinding media
Tool Box (Complete Set)
The measuring instrument used in the Job of grinding and polishing of crankshaft:-
Micrometer (Depend on Crankshaft Crank pin and main journal Diameter)
Micrometer 0-25 mm outside Ball Type Micrometer
Inside micrometer or bore gauge
Hardness Tester
Deflection Gauge
Magnetic Dial Stand with Dial Gauge
DP Test Kit or MPI Test Machine
Radius Gauge
Filler Gauge
Instructions for using on site crankshaft and cylindrical Grinding Machine:-
Inspection:
Check CR Pin Size, Hardness, DP Test, or Magnetic Particle Test and
Deflection, in case all reports are good after that, take Second Step.
Dismantle the machine and check all spare parts, assemble the Pneumatic Motor in insitu grinding machine.
Assemble the hardware in the shell and assemble the machine on the crank pin and rotate gear manually.
Assemble the machine upper and lower cap and recheck all bolts.
Connect Air Hose Pipe to Pneumatic Motor.
After machining process first round is complete, dismantle the in situ grinding machine and check size of Crank Pin.
Follow same step to complete job.
Before maintaining final size, check hardness, MPI or DP Test & take Maximum Reading by Micrometer.
Note: Before final size check, reset outside micrometer and take dimension again.
Maintenance & Cleaning:-
In order to properly maintain machine tool, it is very important to perform maintenance checks periodically of all accessories. The author is Mr. Raj Shahani, Managing Director of the company. He is having forty years of experience in providing onsite engine repair services to companies all over the world.After extensive research and field trials, he has developed in situ crankshaft grinding and polishing machine to make the repair process easy and cost-effective.
Engine population is rapidly increasing for the 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 the 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.
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 engine crankshaft grinding machine and onsite crankshaft grinding machine which can be taken to the site as accompanying baggage. The onsite crankshaft grinding machine has the following features:
Light in weight can be carried to the site easily.
Portable nature of onsite crankshaft grinding machine facilitates it to insert from the inspection window and undertake grinding and polishing of the crankpin.
Machine is designed and can maintain the taper and ovality within 0.02 mm. This meets with the OEMs tolerances.
Surface finish and other parameters can be maintained as per international norms.
Onsite crankshaft grinding machine is easy to operate
Onsite training is provided for smooth running of the crankshaft grinding machine.
More than 70 machines sold all over the world and performing satisfactory.
Insitu crankshaft grinding machines are low-priced and recommend for repair workshops, shipping and engineering companies, and power plants.
Crankshaft grinding machines are exported to various countries including Dubai, Singapore, Bangladesh, Indonesia, Greece, Qatar, Nigeria, South America, etc.
With the experience of more than four decades, RA Power Solutions has been the leader in providing in-situ crankpin, main journal grinding, and machining. The removal of the crankshaft from the engine block in case of an accident or normal wear and tear is not required. The removal of the 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 the engine.
The onsite crankpin, main journal grinding and crankshaft polishing are undertaken by RA Power Solutions using the state of the art equipment which can be taken to any site on a ship or land-based industry.
The onsite crankshaft grinding machine is placed on the damaged 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 machining, onsite grinding of crankshafts and crankshaft polishing services of diameters ranging from 60 mm to 700 mm.
The jobs of crankpin and main journal repair of crankshaft executed by us have the following features:
Having the latest quality control measuring instruments to check hardness, crack by MPI, taper, ovality, surface finish, etc.
All instruments used for measuring the crankpin and main journal diameter are periodically sent to the laboratory for calibration. Valid certificates are kept in the record as per the requirement of inspection agencies.
The latest design and technology instruments/equipment are used prior to the repair of the crankshaft and after the repair is executed.
Advantage of RA Power Solutions for Crankshaft and Main Journal Repair
Crankshafts are repaired onsite up to a diameter of 700 mm. No need for the removal of the crankshaft.
An experienced team of technicians is always ready to leave for sailing all over the world. The holding of seamen passports by technicians facilitates them to fly out to any country on short notice.
The robust design and use of titanium for manufacturing the body of the crankshaft grinding machine ensure minimum or no vibration while the crankshaft grinding machine is in operation. The job of repairing the crankshaft can be executed while the vessel is sailing.
All the services required for the repair of the engine and to put it back into operation are extended by RA Power Solutions, including commissioning and trial part.
The experience of repairing over 10,000 crankshafts makes us a leader in this field. The cost of repair of the crankshaft and the services offered are the lowest in the industry. This is possible due to the continuous upgrading of technology and process followed by us.
RA Power Solutions is the first company to introduce portable, lightweight, onsite crankshaft grinding andcrankshaft polishing machines, crankshaft polishing tools, and crankshaft repair machines at the lowest price.
With the introduction of a revolutionary onsite crankshaft grinding machine, now it is possible to save the repair cost of the crankshaft. The onsite crankshaft grinding repair machine has proven its worth with 70 clients based all over the world.
The onsite Crankshaft Grinding Polishing Machine has the following features:
Onsite crankshaft grinding polishing machine can undertake crankshaft grinding and crankshaft polishing up to 700 mm diameter without dismantling the crankshaft.
In terms of taper and ovality tolerance can be maintained within 20 to 30 microns or as per the manufacturer’s requirement.
For the long life of bearings and crankshaft it is important to have a high level of surface finish with onsite crankshaft grinding polishing machine it is possible to maintain a surface finish of 0.15 RA value.
Onsite Crankshaft Grinding Polishing Machines can be carried as a accompanied suitcase by technicians all over the world.
The 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 crankshafts can be repaired like MAK, MAN, Wartsila, Daihatsu, Ruston, Yanmar, Mirrless Blackstone, SKODA, etc.
Onsite crankshaft polisher machine supplied all over the world including Nigeria, Dubai, Singapore, South America, Italy, Maldives, Indonesia, Bangladesh, etc.
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.
Onsite crankshaft grinding is the latest trend in shipping industry. Removing crankshaft from the engine block involves dis assembly of all major parts which require time, efforts and money. The best solution for this is to undertake crankshaft grinding and crankshaft polishing onsite without disassembly of the crankshaft from the engine block.
RA Power Solutions undertake onsite crankshaft grinding and onsite crankshaft polishing and repairs up to 700 mm diameter. We have team of experience technicians, they travel all over the world with portable and light weight equipment. It is now possible to execute the crankshaft repair in few hours depending on the diameter and extent of the damage of crankshaft.
RA Power Solutions has executed repairs of more than 10,000 crankshaft all over the world for leading shipping companies, power plants, heavy engineering companies, etc. We are respected in industry for quality, sincerity and low price. Contact us at rajshahani@rapowersolutions.com or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383 for more information.
Crankshaft Repair does not require crankshaft to be removed from entablature. In recent past due to seizure of bearing or development of taper, ovality, loss of alignment of crankshaft it was necessary to remove the crankshaft from the engine block and send it to the designated workshop for crankshaft grinding and crankshaft repair.
The introduction of lightweight, vibration-free crankshaft grinding equipment facilitates grinding of crankshaft, crankpin and crank main journal on the spot while the crankshaft is assembled in the engine block. There is no necessity of even decoupling of alternator and other accessories from the diesel engine. The portable crankshaft grinding machine is placed on the crankpin or crank main journal through the inspection window of the entablature and the grinding and polishing operation is done.
The crankshaft grinding machine is centre less, vibration free equipment which ensures that the centre line of the crankpin is maintained. The crankshaft grinding and crankshaft polishing is done in one setting.
The crankshaft grinding machine is manufactured by us of diameter ranging from 60 to 700 mm. The machine is simple and easy to operate. We also provide training at the customer’s site for the operation and maintenance of the crankshaft grinding machine.
Company has sold more than 65 crankshaft grinding machine all over the world which are performing satisfactory. The machines are priced low and are ideally suited for large engineering, shipping companies, repair workshops, etc.More then 10000 Crankshafts are successfully repaired by us which is a record.
Reduce Cost And Breakdown Time By Onsite Repair Of Crankshaft
The failure of crankpin and main journal bearing causes serious damage to the crankshaft which are as following:
Development of excessive taper and ovality in Crankshaft, Crankpin and Main Journal.
Development of crack
Abnormal increase and decrease of hardness
Loss of alignment of crankshaft resulting to the increase in deflection readings.
Development of bearing line marks, pitting, local depression
Damage of radius fillet and lube oil profile
The onsite crankshaft grinding equipment developed and manufactured by us is capable to undertake grinding and polishing of crankshaft in one setting. The tolerances after crankshaft repair are strictly maintained as per the manufacturer’s specifications.
We have a highly trained skilled team of technicians who are deputed to the plant site or on a vessel in a minimum possible time. The process followed by us for repair of crankshaft is faster, more cost-effective and convenient. It of course avoids removal of crankshaft and transport to the workshop.
The repair of crankshaft executed by RA Power Solutions Pvt. Ltd is approved by leading inspection agencies including Lloyds, DNV, and many other inspecting agencies. For more information, please write us at rajshahani@rapowersolutions.com or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.
RA Power Solutions Pvt. Ltd. has been successfully executing on-shore and off-shore grinding of crankshafts irrespective of its location. The services of crankshaft grinding are offered to industries, power plants, and shipping companies all over the world.
Crankshaft grinding machine is of the latest design and can maintain a tolerance within 20 microns. The crankshaft grinding machines are lightweight and can be taken on-shore and off-shore. RA Power Solutions has sold more than 60 machines all over the world.
For more information regarding crankshaft grinding machine supplier, crankshaft grinding machine for engine repair, onsite grinding machine supplier, insitu machining crankshaft repair, insitu crankshaft machining service, insitu machining crankshaft repair, contact us on rajshahani@rapowersolutions.com or info@rapowersolutions.com or call us at +91 9582647131 or +91 9810012383.