Wartsila 6R32 Crankshaft Repair

A continuous process industry based in western India using 2 units of Wartsila 6R32 for their power requirements reported breakdown of one of the Wartsila 6R32 diesel generating set.

Repair of Wartsila 6R32 Diesel Engine
Repair of Wartsila 6R32 Diesel Engine

RA Power Solutions team of senior technicians was deputed with portable inspection instruments and onsite crankshaft grinding and polishing machine. Following observations were reported on inspection of crankpins:

Inspection of Spare Parts of Wartsila Diesel Engine
Inspection of Spare Parts of Wartsila Diesel Engine

I) On investigation of Wartsila diesel generating sets, it was observed that it was clear case of lube oil pump failure.

II) All 6 crankpins were found damaged.

III) Inspection in detail was carried out. Gist of which is as following:

a) Crankpin no. 1 ovality of 0.76 mm. No cracks observed. Hardness within limits.

b) Crankpin no. 2 ovality of 0.54 mm. No cracks observed. Hardness within limits.

c) Crankpin no. 3 ovality of 0.26 mm. No cracks observed. Hardness within limits.

d) Crankpin no. 4 ovality of 0.49 mm. No cracks observed. Hardness within limits.

e) Crankpin no. 5 ovality of 0.29 mm. No cracks observed. Hardness within limits.

f) Crankpin no. 6 ovality of 0.62 mm. No cracks observed. Hardness within limits.

After initial inspection of crankshaft, it was decided to undertake the repair of crankshaft of Wartsila 6R32 by grinding the crankpin.

Three nos. of pins were ground undersize by 1mm and balance 3 were undersized by 0.5 mm. The taper, ovality and surface finish has been maintained far better than manufacturer’s recommendations.

The above job was executed in record time of 6 days.

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

Grinding of Crankpin by Crankshaft Grinding Machine
Grinding of Crankpin by Crankshaft Grinding Machine
Surface Finish Inspection after Grinding
Surface Finish Inspection after Grinding

A continuous process industry based in western India using 2 units of Wartsila 6R32 for their power requirements reported breakdown of one of the Wartsila 6R32 diesel generating set. RA Power Solutions team of senior technicians was deputed with portable inspection instruments and onsite crankshaft grinding and polishing machine. Following observations were reported on inspection … Continue reading “Wartsila 6R32 Crankshaft Repair”

Crankshaft Repair Machine

RA Power manufactures crankshaft repair machine which is a latest solution for repair of damaged crankpin and main journal of crankshaft onsite. The crankshaft repair machine  is available in the range from 60 mm to 700 mm which caters to almost all the capacities of engines installed on board a vessel in power plants and other applications. The crankshaft repair machine has following features:

I) The crankshaft repair machine (crankshaft grinding/crankshaft polishing machine) is developed out of our experience, extensive field applications and research.

II) Light weight portable crankshaft repair machine can be carried to any site all over the world.

III) Crankshaft repair machine is compact and is placed on crank pin from inspection window of the crankcase for grinding and polishing. There is no requirement of dismantling of the crankshaft from engine block.

IV) The crankshaft repair machine is of latest design which results to almost no vibration. The tolerances in terms of taper and ovality are controlled within 0.02 mm or as per the requirement of engine manufacturer.

V) The crankshaft grinding and polishing machine is easy to operate and understand. Training is an integrated package of this product.

VI) The machine is recommended and has proved its worth in different applications like land based engine, process industry, shipping, etc.

VII) Cost effective and perhaps this is the first revolutionary crankshaft grinding equipment which is affordable for the repair workshops,shipping companies,Power plants and repair industry.

We have supplied more than 65 crankshaft repair(Crank shaft grinding and crankshaft polishing machine all the world.

Onsite Crankshaft Grinding and Polishing Machine

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 Grinding of Crankpin is in Process by Crankshaft Repair Machine

RA Power manufactures crankshaft repair machine which is a latest solution for repair of damaged crankpin and main journal of crankshaft onsite. The crankshaft repair machine  is available in the range from 60 mm to 700 mm which caters to almost all the capacities of engines installed on board a vessel in power plants and … Continue reading “Crankshaft Repair Machine”