Chris-Marine Device / Instrument
Liner Diameter Measurement / LDM
Measures cylinder liner wear and deformation on 2-stroke engines (500-980 mm bore) without removing the cylinder head; up to 26 levels in about one hour per cylinder.
Description
The LDM measures cylinder liner wear and deformation on 2-stroke engines with a bore of 500 to 980 mm, without removing the cylinder head or valve housing. It records up to 26 measurement levels in about one hour per cylinder: a job that takes a three-man team a full day for two liners can be done by one operator in three hours.
Key features
- Clover-leafing detection of non-oval wear from heat load deformation, injector erosion or lube-oil distribution
- Versions for MAN B&W (Everllence), Wärtsilä and Mitsubishi engines
- Onboard version without calibration; workshop version with micrometer kit and calibration rig
- Latest generation offers 13 hours of continuous use
- Results can be reported through the Engine Insights platform
Applications
- Cylinder condition monitoring and overhaul planning on 2-stroke main engines
Specifications
| Bore range | 500-980 mm (2-stroke) |
|---|---|
| Measurement levels | up to 26 |
| Measurement time | about 1 h per cylinder |
| Battery | 13 h continuous use |
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