Inspection of Cylinder Crankcases
It is the philosophy of the car manufacturers to produce powerful vehicles and engines with even greater accuracy and safety. The objective of the inspection is a 100 % analysis of the crystalline structure of the cylinder face of the cylinder crankcase which is subject to great strain. Six cylinder bores are inspected simultaneously using highly accurate high-resolution eddy current test rotors. The inspection system was realized as a fully automated and self-calibrating autonomous system. The inspection, evaluation, analysis, calibration and the ejection of unsatisfactory parts is accomplished within a 20-second cycle without any outside intervention
Areas of inspection: cylinder face
Solution:
Automated eddy current inspection of the cylinder face using special test rotors and eddy current C-scan techniques; evaluation of the test results by the customer using image-processing algorithms.
Sensor: probe KAS-3 H-1643.11.3
Frequency: 2,5 MHz
Defect size: These are deviations from a specified distribution of silicone crystals in the structure. Cracks and pores.
Cycle time: 3 cylinder crankcases per minute
Probe data KAS-3 H-1643.11.3
Application: Monitoring the homogeneity of the crystalline structure, cracks of varying orientation, pores (open and near the surface)
Coil system: Absolute ferrite core Ø 3.5 mm, transformer, shielded
Frequency range: 100 kHz - 5 MHz
Active area: approx. 3,0 mm
Penetration depth: 0,1 - 0,2 mm
Technical data:
The probe lever for the HD-rotor head may be used for dimensions ranging from 78 to 80 mm.
Two probe levers are required per rotor head.
Designed with wear protection to increase the endurance (min. 1 year with three-shift operation)
Dimensions: 30 mm x 10 mm x 20 mm
Order data: Dependent on the diameter of the bore; upon request only
6 ELOTEST PL320
Inspection system:
One inspection unit per cylinder bore consisting of:
- an ELOTEST PL320 2-channel test instrument
- an HD (heavy duty)-rotor system
- a 2-channel rotor head with interchangeable probe levers
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