1. A026_e
Eddy current displacement sensors
eddyNCDT
Bending/smoothness of Aluminium cast covers
After AL covers have been cast and prior to milling Technical details
of the sealing surface the covers must be manually - Measuring range: 3 mm
straightened and sorted into OK/NOK. This - Accuracy: ± 0,05 mm
operation takes place in a rough environment - Resolution: 0,01 mm
(casting bay). The measuring technique that was - Band width: static
used earlier (probes) are subject to a high degree
of wear and had to be replaced in regular intervals. Ambient conditions
In order to minimise spare parts costs the - Temperature: 15 - 35 °C
customers have decided in favour of the non- - Medium: air
contacting and non-wearing eddy-current - rough ambient (foundry)
measuring system. What is of special importance
for the success of this measuring method is the System configuration
fact that eddyNCDT eddy-current sensors, due to GH584 - housing
the possibility of 3-point-linearisation, supply MF584 - 8-channel-mainfraime
reliable measuring values even with complex target DD500 - digital display
geometries. OS510 - oscillator
DL500 - demodulator
Principle U3 - sensor
C3 - sensor cable
aluminium flap BCX-U3A - matching board
seat
Reasons for choosing the system
U3
- Eddy-current sensors operate in the roughest
environments
- Non-wearing measurement
- No spare parts costs
- Easy compensation due to 3-point-linearisation
against uneven target geometries
- Aluminium is especially suitable as a target
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94496 Ortenburg / Germany Fax: 0 85 42/1 68 90 www.micro-epsilon.com Modifications reserved Y9781026