01 / 07
Crankshaft Machining
In-situ machining, polishing, and geometric restoration of crankshaft main journals and crankpins. Our portable equipment delivers workshop accuracy dockside or at anchorage. No engine removal, no drydock.
Journal diameters from 80mm to 1,200mm · Surface finish Ra 0.4-1.6µm
VIEW SERVICE DETAILS →Applications & Equipment
- ▶MAN B&W 2-stroke and 4-stroke engines
- ▶Wärtsilä W-X, W-RT, W-V series
- ▶Caterpillar marine engines
- ▶MAK, Bergen, STX, Rolls-Royce
- ▶Daihatsu, Yanmar, Mitsubishi auxiliary engines
02 / 07
Line Boring
Precision boring and alignment of main-bearing housings, stern tube bores, rudder bearing seats, and crankshaft support structures. Portable boring bars with CNC-controlled feed restore OEM bore alignment and diameter. No engine extraction required.
Bore diameters from 50mm to 2,500mm · Alignment tolerance ±0.01mm
VIEW SERVICE DETAILS →Applications & Equipment
- ▶Main bearing saddle restoration
- ▶Stern tube bearing re-boring
- ▶Rudder pintle and gudgeon seats
- ▶Camshaft bearing housings
- ▶Connecting rod big-end bores
03 / 07
Flange Facing
Onsite facing, re-machining, and seating restoration of pipe flanges, valve bodies, heat exchanger faces, and pressure vessel heads. Our portable flange facing machines restore pressure-tight seals to OEM specifications and full pressure ratings.
Flange OD from 50mm to 4,000mm · Flatness tolerance 0.025mm/300mm
VIEW SERVICE DETAILS →Applications & Equipment
- ▶Pipe flanges to ASME B16.5, EN 1092
- ▶Sea water and cooling system flanges
- ▶Steam and exhaust system faces
- ▶Heat exchanger channel faces
- ▶Valve body and bonnet seats
04 / 07
Shaft & Journal Machining
Portable lathe and grinding operations for propeller shafts, intermediate shafts, tail shafts, and coupling journals. We restore roundness, cylindricity, and surface finish to original class tolerances, all without removing the shaft.
Shaft diameters from 50mm to 1,000mm · Roundness tolerance 0.01mm
VIEW SERVICE DETAILS →Applications & Equipment
- ▶Propeller shaft journal grinding
- ▶Intermediate and tail shaft repair
- ▶Coupling hub and keyway machining
- ▶Thruster shaft rehabilitation
- ▶Azimuth drive shaft journals
05 / 07
Milling & Drilling
Onsite milling, drilling, tapping, reaming, and stud extraction on engine frames, bedplates, manifolds, and structural components. Our portable magnetic-base and floor-mounted systems bring the machine shop to the job, so nothing ships out.
Milling width up to 1,200mm · Drilling diameters from 3mm to 200mm
VIEW SERVICE DETAILS →Applications & Equipment
- ▶Engine bedplate surface milling
- ▶Manifold face and port machining
- ▶Thread repair and stud extraction
- ▶Keyway cutting and spline milling
- ▶Drilled hole reaming and honing
06 / 07
NDT Inspections
Non-destructive testing under our employer-written SNT-TC-1A practice. We run magnetic particle (MT) and dye penetrant (PT) inspection onsite. Every report is documented to support class, OEM, and insurer review.
Methods: MT · PT · Reports documented to support classification-society review
VIEW SERVICE DETAILS →Applications & Equipment
- ▶Crankshaft and journal flaw detection
- ▶Weld inspection and qualification
- ▶Propeller shaft surface crack detection
- ▶Engine block and cylinder head inspection
- ▶Pressure vessel and pipe inspection
07 / 07
Workshop Machining
When removal is the right call, our Miami workshop reconditions engine and rotating-equipment components to OEM specification: cylinder liners and heads, connecting rods, counterweights, centrifugal pumps, hydraulic cylinders and more, with same-city, port-call turnaround.
Lathes to 6,096mm between centers · Horizontal boring mills · To OEM spec with certified reports
VIEW SERVICE DETAILS →Applications & Equipment
- ▶Cylinder liners & cylinder heads
- ▶Connecting rods & counterweights
- ▶Centrifugal pumps & hydraulic cylinders
- ▶Piston crowns & main bearing housings
- ▶Pump, gear & coupling components
// ONE MOBILIZATION
MOST OPERATORS HIRE THE INSPECTOR AND THE MACHINIST SEPARATELY. WE ARRIVE AS ONE.
The conventional route to a crankshaft failure is two vendors: an NDT house to inspect, a machining contractor to repair. Two schedules to align, two invoices, and a gap in between where each points at the other when a finding is disputed. OSM assesses and repairs as one accountable team — the people who inspect the damage are the people accountable for the finding and the fix. One mobilization. One report. One point of responsibility.
// START WITH THE DAMAGE