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App026 en bending-smoothness-aluminium-cast-covers


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App026 en bending-smoothness-aluminium-cast-covers

  1. 1. A026_eEddy current displacement sensorseddyNCDTBending/smoothness of Aluminium cast coversAfter AL covers have been cast and prior to milling Technical detailsof the sealing surface the covers must be manually - Measuring range: 3 mmstraightened and sorted into OK/NOK. This - Accuracy: ± 0,05 mmoperation takes place in a rough environment - Resolution: 0,01 mm(casting bay). The measuring technique that was - Band width: staticused earlier (probes) are subject to a high degreeof wear and had to be replaced in regular intervals. Ambient conditionsIn order to minimise spare parts costs the - Temperature: 15 - 35 °Ccustomers have decided in favour of the non- - Medium: aircontacting and non-wearing eddy-current - rough ambient (foundry)measuring system. What is of special importancefor the success of this measuring method is the System configurationfact that eddyNCDT eddy-current sensors, due to GH584 - housingthe possibility of 3-point-linearisation, supply MF584 - 8-channel-mainfraimereliable measuring values even with complex target DD500 - digital displaygeometries. OS510 - oscillator DL500 - demodulatorPrinciple 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 targetMICRO-EPSILON A member of micro-epsilon group.Koenigbacher Str. 15 Tel.: 0 85 42/1 68-0 Certified DIN EN ISO 9001 : 200094496 Ortenburg / Germany Fax: 0 85 42/1 68 90 Modifications reserved Y9781026