Dr. E. Horn presents the measuring tool CLDM for the engine crew to measure the liner wear of two-stroke engines independently and at any time. Without removing the cylinder head, through the scavenge ports. 。
The CLDM has a bore-specific calibration and is specially designed for “ease to use” by the crew. The recorded data is automatically analysed and a report is generated by a provided software。
Application: Wear measurement of 2-stroke liners with bore up from 350 mm…980 mm。
Benefits：Cost saving
Liner wear can be measured at any harbour
Measurement can be done by the crew
Easy to operate without mishandling
Calibration checks by the operator at any time
Very robust (no optics, no moving parts, IP65)s
The CLDM system consists of 6 components:
1. CLDM as described above
2. Operator device, communicating with the CLDM via infrared
3. Infrared sender
4. Draw-wire encoder to record the position of the CLDM inside the liner
5. Calibration tool and case packaging
6. Evaluation software on USB-pendrive
Procedure of measurement with the CLDM:
1. Place CLDM through scavenge port on the piston (in BDC)。
2. Place the draw-wire encoder under piston and connect the wire to piston skirt (with its magnet)。
3. Follow the instruction on the operator device for best alignment when positioning the CLDM in direction Forward <---> Aft.
4. Start the CLDM from the operator device and turn the piston Forward in direction TDC。
5. When CLDM reaches the cylinder top a signal is triggered to return piston back to BDC。
6. Repeat from 1 to 5 for the second measurement. Now in direction Port<---> Starboard。
7. Remove the CLDM and transfer the data to the computer by using the USB-cable.。
8. The computer with CLDM software automatically analyses the data and generates a report in PDF format.
