Marine Propulsion Shafts Repairs & Overhauling
Mediterranean Leading Capability for Propulsion Shaft Machining up to 25m & 60 Tons
KIMI delivers advanced propulsion shaft repair and manufacturing solutions, supported by a fully integrated infrastructure and heavy-duty machining capabilities. At the core of our workshop is a high capacity CNC lathe handling shafts up to 25 meters in length, 1600 mm in diameter, and 60 tons in weight, enabling full in-house execution.
Combined with precision measurement systems, reverse engineering expertise, and laser alignment, we restore or manufacture propulsion shafts to OEM specifications.
Whether addressing wear, deformation, or complete failure, KIMI ensures high accuracy, structural integrity, and full compliance with classification societies requirements, delivering restored operational integrity, optimized shaft performance, and minimized downtime.
Customer Benefits
Reduced Downtime
Cost-effective Reconditioning or Manufacturing
Class-Compliant & Fully Documented
Repair & Overhauling Process
INITIAL INSPECTION & DEFECT EVALUATION
Condition is assessed to identify defects and repair scope
LASER CLADDING OR WPS RESTORATION
Dimensions are restored using class-approved procedures by BV, LR, and DNV
PRECISION MACHINING & GRINDING
Geometry is corrected to achieve required tolerances and surface finish
SHAFT STRAIGHTENING
Mechanical straightening restores alignment and corrects shaft deviations
COUPLING PREPARATION & BOLT MANUFACTURING
Couplings are fitted and connecting bolts are produced to ensure secure assembly
FINAL INSPECTION & QUALITY CONTROL
Verification ensures compliance with OEM standards and class requirements
ONBOARD INSTALLATION & LASER ALIGNMENT
The shaft is installed and aligned using precision laser systems
ENGINE MOUNT SHIMMING
Engine seating is adjusted to achieve correct alignment with the propulsion shaft
CLASS DOCUMENTATION
All work is documented to ensure compliance with classification requirements
Case Studies
FAQs
KIMI operates a high-capacity dedicated workshop equipped to handle demanding projects, with capabilities including:
- Shaft length up to 25 meters
- Shaft diameter up to 1600 mm
- Shaft weight up to 60 tons
This allows us to execute complex machining and repairs in-house, ensuring quality control and reduced turnaround time.
Yes. KIMI specializes in restoring propulsion shafts affected by wear, scoring, deformation, or misalignment. Using laser cladding or approved welding procedures (WPS), combined with precision machining and grinding, we restore shafts to OEM tolerances and full operational condition.
KIMI performs onboard installation and laser alignment of propulsion shafts, ensuring accurate positioning and optimal performance. Our services also include engine mount shimming to achieve precise alignment between the engine and shaft line, minimizing vibration and extending equipment life.
Yes. When repair is not feasible due to severe damage or material limitations, KIMI offers full in-house manufacturing of new propulsion shafts and shafting components.
With high-capacity machining capabilities (up to 25 meters length, 1600 mm diameter, and 60 tons weight), we are able to respond rapidly to major failures, offering fast-track manufacture and short lead times to minimize vessel downtime.
KIMI ensures the highest level of quality and compliance through its Quality Control system, accredited by ESSYD, supported by experienced in-house metallurgists.
Combined with a proven track record of obtaining multiple approvals from major classification societies for propulsion shaft manufacturing projects, this guarantees fully certified processes, strict material control, and reliable performance for critical marine applications.