Transcription of STRAIN GAUGE INSTALLATION
{{id}} {{{paragraph}}}
Example: air traffic controller
STRAIN GAUGE INSTALLATION
E-12 ESTRAIN GAGESSTRAIN GAUGE INSTALLATIONHOW TO POSITION STRAIN GAUGES TO MONITORBENDING, AXIAL, SHEAR, AND TORSIONAL LOADS STRAIN is defined as the ratio of thechange in length to the initialunstressed reference length. A straingauge is the element that senses thischange and converts it into anelectrical signal. This can beaccomplished because a straingauge changes resistance as it isstretched, or compressed, similar towire. For example, when wire isstretched, its cross-sectional areadecreases; therefore, its important factors that must beconsidered before selecting a straingauge are the direction, type, andresolution of the STRAIN you wish measure minute strains, the usermust be able to measure minuteresistance changes.
1 = Strain in gauge 1 p,q = Principal strains 2 = Strain in gauge 2 p,q = Principal stresses 3 = Strain in gauge 3 p,q = the acute angle from the axis of gauge 1 to the nearest principal axis. E = Modulus of elasticity When positive,the direction is the same as that of the gauge = Poission’s Ratio numbering and, when negative, opposite. = –2V r
Loading..
Tags:
Information
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document: