rapowersolutions

RA Power Solutions was informed by one of our client regarding failure of Crankpin no. 6 of AE#2 of MAN  9 ASL 25/30 Model Engine.  The Engine details are as following:   S. NO  Crankshaft Details   1  Engine Make MAN 2 Engine Model 9 ASL 25/30 3 Crank pin Diameter Standard 195 mm 4 Crankpin Bearing Width 77 mm   Our technicians boarded the vessel at Mumbai port and performed an evaluation of the crankshaft.  Following were the main observations: Inspection & observation of MAN 9 ASL 25/30 crankshaft of engine no. 2 crank pin no. 6: i) During the visual inspection of crankpin  it was observed that the crank pin bearing got melted and was badly embadded on the crankpin.  ii) The crankpin bearing was removed and was found badly damaged. It was a serious accident as the bearing was burnt which

We speialise in grinding and polishing of crankshaft journal insitu and onsite up to 700 mm in terms of diameter. We have experience of more than forty years in executing successfully repair of crankshaft journals onsite without removing the crankshaft from the engine block. The crankshaft journal repair services are offered all over the world in a short notice and it is possible because all our technicians & supervisors hold valid Indian CDC.   Successful Repair of Crankshaft with damaged Radius fillet due to accident. It is observed that the leading companies in the world are not able to undertake the grinding of journals in case the radius fillet of the crank pin or main journal of the crankshaft is damaged. Their grinding tool is mounted on the radius fillet and all the references for grinding and polishing are taken from the fillet radius.  In case of damage to the radius fillet it is not possible for them to use their outdated grinding equipment. They always insist for first 

RA POWER SOLUTIONS IS THE LEADER IN PROVING CRANKSHAFT GRINDING AND CRANKSHAFT REPAIR SERVICES HAVING FOUR DECADES OF EXPERIENCE. We possess the latest design of onsite crankshaft grinding equipment which has many technical advantages over the conventional onsite crankshaft grinding equipment used by the companies. The repair of the crankshaft by  crankshaft grinding repair  process facilitates us to maintain tolerance of crankpin and main journal in terms of taper and ovality strictly as per the manufacturer’s specifications and tolerances stipulated in the manual. We have executed successfully more than 10,000 jobs of crankshaft grinding and crankshaft repair. We recommend crankshaft repair and crankshaft grinding in case of following defects in the crankshaft: I) Crankshaft grinding is recommended in case of an increase in ovality and development of taper in crankpin and main journal. II) Crankshaft grinding is required in case of development of bearing line m