The concept of onsite repair of crankshaft is getting popular with the introduction of a portable lightweight on-site crankshaft grinding machine. Now it is possible to undertake crankshaft repair, crankshaft grinding and polishing on site without dismantling of the crankshaft from the engine.
On-site Crankshaft Repair, Crankshaft Grinding, and Crankshaft Polishing costs low with minimum downtime and inconvenience as it does not require removal of crankshaft from the engine block, packing and transportation to the designated workshop for repair by grinding or polishing process
Advantage of trusting RA power solutions
First company based in Asia having experience of four decades in Crankshaft Repair, Crankshaft Grinding and Crankshaft Polishing
All repairs of crankshaft and process followed for grinding of crankshaft and polishing of crankshaft are approved by class agencies of repute like DNV, Lloyds and various inspecting organisations spread all over the world
The repair of crankshaft is executed with a guarantee for the satisfactory performance, the pre and final inspection reports before and after grinding and polishing crankshaft are submitted
Technicians executing the repair of crankshaft onsite are highly skilled, trained in our factory on a dummy crankshaft in order to understand the techniques for successful repair of the crankshaft. Some of our technicians have experience of more than 45 years.
The onsite inspection and polishing of crankshaft repair is recommended to enhance the life of crankshaft and bearings
RA power solutions offers and undertakes inspection and polishing of crankshaft on board a vessel on a nominal cost
During our working of four decades on diesel power plant, shipping companies we have undertaken Crankshaft Repair, Crankshaft Grinding and Crankshaft Polishing number exceeding more than 10,000
RA power solutions has team of technicians with valid CDC from Panama, Palau, and India and can travel all over the world within a short notice
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, crankshaft machining equipment which saves considerable cost of repair and save time as disassembly of the crankshaft and transport to the workshop is not required.
The insitu crankshaft grinding machine performs and delivers the same quality standards which are achieved by old designed, conventional bench type crankshaft grinding machine.
Advantage of using RA Power Solutions onsite crankshaft grinding machine and mobile machine:
I) 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.
II) 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.
III) Crankshaft Grinding Machine is light weight and compact and can be easily taken to the site all over the world as accompanied baggage.
IV) Customized tooling adapting to all makes of engine and models. Machine available in the range of 60 mm to 700 mm.
We work on medium and high capacity diesel engines having capacity of more than 400 KW. In terms of diameter we can undertake crankpin polish and crankpingrinding onsite for the diameters ranging from 60 mm to 700 mm.
Crankshaft Grinding and Polishing with Highest Precision
The crankpin grinding and crankpin polishing for marine and industrial application is undertaken by onsite crankshaft grinding machine. The diameter, surface finish and all parameters are maintained strictly as per the manufacturer’s specifications. Each job of crankpin polishing and crankpin grinding is executed with the greatest care because inexpertly repair of crankshaft can lead to the premature failure of the bearing causing considerable consequential damage. In fact with four decades of experience in the field of crankshaft grinding and crankshaft repair our experts technicians guarantee machining of crankshaft to the highest professional standards.
Cost Effective Crankshaft Grinding Services
In spite of constantly executing the repairs as per the OEMs standards with the highest quality demand we as an Indian company are considered to be the lowest price wise in comparison to the companies based in Europe, Singapore and other countries. We have executed successfully repair of over 10,000 crankshafts which is a testimony of confidence on us by clients based all over the world.
Services Related to Repair and Overhauling of Engine
RA Power Solutions offers all the services related to repair and overhauling of medium and high speed engines which includes following:
I)Insitu crankshaft repair, crankshaft grinding and crankshaft polishing up to 700 mm diameter.
III) Repair of major parts like cylinder heads, connecting rods, cylinder liners, etc.
IV) Repair and overhauling of diesel engines
All the repairs and services offered by RA Power Solutions are supported with guarantee.
We extend services all over the world including Nigeria, Singapore, Indonesia, Germany, Taiwan, Belgium, Korea, Ecuador, Brazil, Mexico, Myanmar, Greece, Spain, Finland, Netherlands, Oman, Dubai, Iran, Egypt, Russia, Philippines etc.
In this competitive world, all the 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 on board 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.
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. is 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.
procured from ship breaking yards andabondened diesel power plants. These equipments are fully reconditioned by changing of rubber components, bearings and other spares. All equipments are put on trial and supplied with guarantee on lowest price in the industry.
Gaskets, rubber gaskets for all alpha laval equipments like fresh water generator, heat exchangers, 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.
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.
Insitu grinding of crankshaft and polishing is offered by RA Power Solutions Pvt. Ltd. for last more than 3 decades. Our experienced technicians reach at site in minimum possible time with Insitu crankshaft grinding machine and undertake crankshaft repair without removing of crankshaft from the main engine.
The Insitu crankshaft grinding is undertaken by light weight portable Insitu crankshaft grinding machine which is operated pneumatically. The equipment is of latest design and is capable to maintain the 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 book 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.
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 36 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.
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, technicians for the duration of 3 days. The assembly, operation and maintenance of the machine are explained.
Cost of Machine: Presently, shipping companies, power plants having high capacity diesel generating sets have no option but to call for the 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.
The large bench type crankshaft grinding and polishing machines are outdated and are replaced by portable, light weight onsite grinding and polishing machine. The machine is driven either by pneumatic motor or is electrically operated.
The objective of using pneumatic motor is to make machine compact which can be inserted from the inspection window of the engine block for grinding of crankpin and main journal.
Crankshaft Grinding and Polishing Machine is light weight and can be carried to the work site by the technicians. It is easy to assemble and operate. Any technician with machine shop experience can easily operate this machine. The crankshaft grinding and polishing machine is capable of maintaining taper, ovality and high surface finish after grinding operation and all the dimensions of crankpin or main journal can be controlled as per the manufacturer’s requirement.
RA Power Solutions Pvt. Ltd. designs and manufactures the onsite crankshaft grinding and polishing machine as per the customer’s requirement. We have capability of designing and manufacturing the grinding machine up to 700 mm in terms of diameter.
More than 60 crankshaft grinding and polishing machines have been supplied all over the world which are performing satisfactory. The cost of on site crankshaft grinding and polishing machine is very low.