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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PROJECT FACTS Turret Head, Chain Table, Riser-I Tubes and Swivel Support Machining Dimension of Chain Table: OD 5,600mm x ID 5,190mm Dimension of Turret Head: OD 5,990mm x ID 5,580mm Swivel Support: OD 1,740mm x ID 950mm I-Riser Tubes: OD …
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PROJECT FACTS M/E CYLINDER LANDINGS Vessel: M/V HONG XIANG JUN Engine: PIELSTICK 12PC2-5V, 4 units×5360KW Tonnage: 3943 DWT Dredge Capacity: 4,500m3/h REPAIRS Flatness checking of No. 4, 5 and 6 cylinder covers with laser equipment RESULTS Goltens technicians completed this …
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PROJECT FACTS BOLD TERN Length: 132M Tonnage: 9,033 DWT Operating Depth: 7.5-45M Year Built: 2013 IN-SITU MACHINING CONSISTED OF Modification of split frame orbital cutting tools to meet the specifications Removal of scraper rings from the jacking cylinders. RESULTS With …
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PROJECT FACTS Sulzer 8 ZAL 40S Engine Output: 5760kW RPM: 514 RPM Original Crankpin Diameter: 350.00 mm Distance between Webs: 180.00mm Finished Crankpin Diameter CP3: 342.00 mm Finished Crankpin Diameter CP1: 347.00 mm SULZER 8ZAL 40S REPAIRS Machined new fillet …
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PROJECT FACTS MV QUEEN OF BURNABY Engine Type: Mirrlees National Engine Model: KVSS M16 V-Type Number of Journals: 8 Original Diameter: 266.70mm Finished Diameter: 265.18mm IN-PLACE MACHINING CONSISTED OF Performed Magnaflux crack test and hardness tests on all crankpins Performed …
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IN-SITU MACHINING PROJECT FACTS USNS Watson (T-AKR-310) Ship Type: Large, Medium-Speed Port Dia. Post-Machining: Ro-Ro 847.99mm Starboard Dia. Post-Machining: 847.47mm PROPELLER SHAFT REPAIRS Removed roughly .60mm from the diameter of the port propeller shaft seal liner and roughly 1.0mm from …
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