PROJECT FACTS PH1002/LEWEK CONSTELLATION 6MW Stern Thruster Flange – Inverted On-Site Machining Customer: TRIYARD Shipyard Co Ltd. Vung Tau- Vietnam Flange size: OD 4700mm x ID 2850mm x 40 mm thick Tolerance of flange flatness max: 0.15 mm Quantity: 2 …
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PROJECT FACTS MAHABBAH Vessel Type: Passenger Vessel/Ro-Ro Main Engine: 2 x Pielstick 18PC2V-400 Vessel Tonnage: 1,968 DWT Shaft Diameter: 460mm STERN TUBE BORING REPAIRS Calibration & Alignment checks Port/Starboard stern tubes Line boring of Port & Starboard Stern Tube sections …
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PROJECT FACTS DRYDOCKING OF 3 CREW & SECURITY VESSELS Vessel names: ANSAR 4, 6 and 13 Vessel sizes: 35 M overall lengths Engine types: MTU (A 4 & 6) and CUMMINS (A 13) Company: Red Sea Marine Services Location: Dubai, …
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Goltens technicians dismantled the chain drive for the cam shaft prior to grinding the damaged thrust collar surface, and rebabbited the thrust bearing pads to oversize. After reassembly, Goltens completed a successful sea trial with the vessel superintendent and engine …
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After testing the new machinery in its workshops, Goltens was immediately engaged by Strategic Marine Shipyard in Vietnam to machine two flange surfaces of about 4M diameter for Voith propellers on a tug boat for the Port of Napier, New …
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Demonstration of annealing process Mitsubishi invited Goltens to demonstrate its annealing process on a crankshaft that had been intentionally hardened for the demonstration in its factory in Yokohama, Japan. Goltens technicians traveled to the factory and, following its GL-approved process, …
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Based on the In-Situ machining experience and expertise gained over the last 60 years in the Goltens group of companies, Goltens made a proposal for repair of the damaged 539mm diameter main journals In-Site. According to the maker, such on-site …
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PROJECT FACTS RUDDER STOCK REPAIR Vessel: LILIAN Z Vessel Type: Bulk Carrier Tonnage: 74,461 DWT Shaft Dimension: OD: Ø500.00 × L: 450.00mm Year Built: 1999 RUDDER STOCK ON-SITE MACHINING REPAIRS Full cleaning of rudder stock journal RUDDER STOCK REPAIR RESULTS …
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Goltens arrived onboard to evaluate the extent of the alignment issues and determined after clocking, that the deck-mounted flanges were as much as 2.5mm out of alignment. Having no reference other than the flange for the unit itself, Goltens fabricated …
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PROJECT FACTS Conversion Vessel ‘ARV3’ Project Scope: Assembling & Integration of Helideck Pancake Product Maker: Marine Aluminum AS Size: 22 meter X 22 meter (Octagonal Shape) WORK SCOPE Layout support blocks on flat open space & performing level checks. Assembling …
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LINE BORING PROJECT FACTS Stinger Hinge Machining Internal diameter of bore: 1350 mm Distance between hinges: 8 meter ± 1.5mm Length of the bore: 600 mm Number of hinges machined: 2 Tolerance of the internal diameter: H7 HINGE PIN REPAIRS …
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PROJECT FACTS METAL STITCHING Engine Model: MaK 12M282 Vessel Type: FPSO Engine Output: 2,400KW RPM: 1,000 RPM METAL STITCHING REPAIR Full inspection of the damaged block Removal of damaged portions of the block – leaving a clean surface to stitch …
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Goltens’ In-Situ specialists started by joining the larger parts together prior to metal stitching along the full length of the cracks. The finished stitching covered a length of 1.45 meters (57”). The stitching was then coated with a layer of …
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PROJECT FACTS Engine Make/Model: Mitsubishi 6UEC85LS-II Engine Output: 22,432 kW Original Crankpin Diameter: 950.00 mm Distance between Webs: 335.00 mm Finished Crankpin Diameter: 940.00 mm DAMAGED JOURNAL REPAIRS Hardness check and crack test via Magnaflux on No.1 crankpin journal Machining …
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PROJECT FACTS MAN B&W V9V40/54 Crankpin Diameter: 320 mm Pre Annealing Hardness: 630 Brinell Post Annealing Hardness: 320 Brinell Finished Crankpin Diameter: 316 mm (-4.0mm) CRANKSHAFT ANNEALING AND MACHINING REPAIRS Machining of new fillet radii Magnaflux crack testing and Hardness …
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PROJECT FACTS LEAKING PROPELLER SHAFT SEAL Diameter of flange: 1200 mm Tolerance of flange flatness: ±0.05 mm Machined Length: 130 mm Number of flanges machined: 1 REPAIRS Inspection and isolation of leak Laser alignment of propeller shaft line Welding of …
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PROJECT FACTS Octagonal FDPSO N262 Max working depth: 3000 meter Storage Capacity: 160,000 barrels Fairleader diameter (pre): 651.00 Fairleader diameter (post): 652.50 Fairleader Sets: 13 sets of 3 bores ON SITE LINE BORING REPAIRS Alignment checking of 13 sets of …
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PROJECT FACTS Damaged Tail Shaft Original Shaft Diameter: 850.00 mm Finished Shaft Diameter Port: 849 mm Finished Shaft Diameter Stbd: 846 mm Length Machined Port: 220 mm Length Machined Stbd: 190 mm ON-SITE PROPELLER AND SHAFT REPAIRS Machined and honed …
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PROJECT FACTS HAI FENG 618 Vessel type: Refrigerated Cargo Ship Tonnage: 7,934 DWT Main Engine: Mitsubishi 6UEC52LA Power: 7,061 KW IN-PLACE MACHINING AND DIESEL REPAIR SCOPE Machining Cylinder No. 1 FWD & AFT guide rail port side to -2.50mm undersize …
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IN-SITU MACHINING PROJECT FACTS Engine: Vasa 18V32 Engine Output: 5,800kW RPM: 720 RPM Original Crankpin Diameter: 269.00 mm Finished Crankpin Diameter: 267.00 mm Distance between Webs: 210.00mm WARTSILA CRANKSHAFT REPAIRS Machining new fillet radii Machining and superpolishing crankpin journal …
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PROJECT FACTS Tonnage: 74.5 K DWT Length Overall: 222 M Molded Breadth: 32.6 M Stern Tube FWD Before: 700mm x 420mm Stern Tube FWD After: 722mm x 420 mm Stern Tube AFT Before: 700mm x 1320mm Stern Tube AFT After: …
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PROJECT FACTS PROPELLER HUB Vessel: M/V XIN YA ZHOU Engine: MAN B&W 12K98MC-C Tonnage: 102,396 DWT Hub Outside Diameter: 1600.00mm Hub Inside Diameter: 1393.00mm REPAIRS Dye penetrant checking for cracks on propeller hub RESULTS Goltens technicians completed this job within …
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PROJECT FACTS STERN TUBE BORING Vessel: M/V Cape Engine: MAN B&W 6S60MC (8,679KW) Tonnage: 73,049 DWT FWD Inside Dia X L: 658.00mm X 1250mm (+4.03mm) AFT Inside Dia/Length: 660.00mm X 660mm (+6.00mm) STERN TUBE HOUSING REPAIRS Full inspection and …
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PROJECT FACTS Bulk Carrier Bolt Removal Engine Make/Model: MAN B&W 5S60MC Engine Output: 11,194 HP (90 Rpm) Bolt Length: 335.00mm Bolt Diameter: 80.00mm Bolts Machined: 10 Bolts Machined Oversize: 10 REPAIRS Manufactured a custom bracket to mount Goltens’ boring/ drilling …
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PROJECT FACTS CJ-70 Jack Case Fixation Vertical Flanges machined: 450mm x 150mm x 8pcs Material removed from foundation: 18mm – 20mm Port & Stbd foundations: 3390 x 100mm x 8pcs Material removed from Flanges: 12mm – 15mm REPAIRS Laser alignment …
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