The Sulzer Model 6RTA engine reported damage on the high seas near Mombasa while transiting to Sri Lanka. During the investigation, technicians observed that the connecting rod bolts had sheared, causing damage. The lower and upper engine block and three crankpins of the Crankshaft.

A team of RA Power Solutions technicians having experience in undertaking insitu crankpin machining. The team undertaking repair of crack and damaged engine block by metal stitching and metal locking process. It was deputed on board a vessel within a short notice as all of them have a seamen passport.

On preliminary examination, multiple cracks in the upper and lower crack cases. The engine block measured 2900 mm in total length. Three crankpins showed damage, with taper and ovality exceeding 1 mm. RA Power Solutions team of technicians worked non-stop and executed the repair of crankpins by an onsite crankshaft grinding machine. All pins were undersized to 1.5 mm due to the damage.

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Technicians repaired the engine block cracks using the metal locking and stitching process. They completed the entire job within 68 hours. The hard work, knowledge, experience, and sincerity of technicians have been very much appreciated by the owners. This achievement was possible due to RA Power Solutions having the latest design of equipment and experienced technicians with the Indian CDC.

For more information on Insitu Crankpin Machining, crankpin machining, metal locking and metal stitching process, please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

FAQs:

• crankpin machining
• crankshaft machining
• grinding of crankpin