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TYPICAL APPLICATIONS


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D=OUTSIDE DIAMETER

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D=MULTIPLE WIRE DIAMETER

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(Dx+Dy)/2=AVERAGE DIAMETER
[Dx+Dy]=OVALITY

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Y2-Y1=FILM THICKNESS

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Y=EDGE POSITION

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GAP MEASUREMENT

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Dmax-Dmin=OVALITY



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LARGE DIAMETER D = L0-L1-L2 

 

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Y(a)=CAM PROFILE

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Ymax-Ymin=
RUNOUT

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POSITION AND GAP



 


  

Measuring Transparent Materials (Glass Logic) 

The separation surfaces between glass and air are opaque and can be detected : the distance between the first and the last edge is the external diameter dimension. A special signal processing software (glass logic) ignores all signal included within these extreme edges. The internal diameter cannot be reliably detected and it is impossible to be measured.

glass 1  glass 2

 


 

The "Blistbuster" Software

The “Blistbuster” software is an Aeroel exclusive data processing algorithm, installed in the dual axis sensors, that can be very useful to check the diameter smoothness of a continuous product (for instance magnet wire) and to detect a very special type of recurrent flaws, commonly called “Blisters”.

blister 01

more details

 


 

Very Difficult or Impossible Applications

rotonditaROUNDNESS

The roundness or triangular shape error is the max. difference between ideal circle and actual cross section profile. The diameter of the ideal circle is impossible to know by rotating the part without fixing a rotation centre.

 

spessoreTHICKNESS

A small misalignment affects the thickness measurement: S' = S cos a + L sin a

For small angles the measured value is: S' = S + L sin a

and the error L sin a can be very large.

 

posizionePOSITION OF A FLAT SURFACE

The position of a flat surface is difficult to be measured with high accuracy, due to complex reflections of the focused laser beam

 

diametro foroHOLE OR DIE DIAMETER

The diameter of a hole (die) is very difficult to be measured, because of the tight alignment required and the reflections in the hole.


Logo UeLogo MinisteroFriuli venezia GiluliaFonfo SviluppoProgetto cofinanziato con il Fondo Europeo di Sviluppo Regionale del Programma Operativo Regionale del Friuli Venezia Giulia Obiettivo "Competitività Regionale e Occupazione" programmazione 2007/2013