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Accelerometer mounting and measurement
Wed, 2010-09-01 10:11 - adanoop
Hello all,
I need to mount an accelerometer in the test rig for dynamic measurement (machine condition monitoring). I am using MMF make KD41V accelerometer. The machine has limited space and I have to protect the accelerometer from splashing oil due to continuous lubrication. Due to space constraint, i have came up with a design in which a 25mm long, 25 mm diameter hylam material block is used in between machine face and accelerometer. Hylam material acts as insulator too. My question is, if i use such a long material in between accelerometer and machine face, will it affects the reading? Schematically this is shown in the following figure. Please guide me!
-Anoop A D
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Physical properties of hylam material
Dear Anoop,
Could you provide with information about the elastic constants of hylam material you used? And what is the texture of this material? Is it plastic/wooden/metallic/etc.? If it is relatively rigid, it will not affect the acceleration detected by the accelerometer, otherwise, you have to find the relation between the "input" acceleration at the hylam-machine interface and the "output" acceleration at the hylam-accelerometer interface.
Best regards,
George Papazafeiropoulos
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Second Lieutenant, Hellenic Air Force
Civil Engineer (M.Sc.), Ph.D. candidate