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Slot and Radius


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It's not clear from the redacted form Andreas B. put up, but in the standard, what is being illustrated is the MMC boundary of the slot. An MMC boundary is fixed in size, so there are no largest and smallest sizes. It is exactly 3.375mm.
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//variables
d1 = 6.75
d2 = 12.5

//calculations
rad1 =d1/2
L1 = d2/2 - rad1

// point step 
PSL = 0.05     
PSr = PSL/((rad1  * PI) /180) 

//curve
Nomvalues="xNom    yNom    zNom    uNom    vNom    wNom" +cr() 

npoints =  int(L1 /PSL)
X=0
Y=d1/2
for n = 1 To npoints
Nomvalues= Nomvalues + formatR(X ,0,10)+ chr(9)  + formatR(Y,0,10)+ chr(9) + "0"  + chr(9)  + formatR(0 ,0,10) + chr(9)  + formatR(1,0,10)  + chr(9)   +  "0" +cr() 
X=X+PSL
next n

Angle=90
npoints =  int(Angle /PSr)
for n = 1 To npoints
X=L1 + cos(Angle)*rad1
Y=sin(Angle)*rad1
Nomvalues= Nomvalues + formatR(X ,0,10)+ chr(9)  + formatR(Y,0,10)+ chr(9) + "0"  + chr(9)  + formatR(cos(Angle) ,0,10) + chr(9)  + formatR(sin(Angle),0,10)  + chr(9)   +  "0" +cr() 
Angle=Angle-PSr
next n

X=d2/2
Y=0
Nomvalues= Nomvalues + formatR(X ,0,10)+ chr(9)  + formatR(Y,0,10)+ chr(9) + "0"  + chr(9)  + formatR(cos(Angle) ,0,10) + chr(9)  + formatR(sin(Angle),0,10)  + chr(9)   +  "0" +cr() 


deleteFile(getActualInspectionDir() + "\Nominal.txt")
addToFile(getActualInspectionDir() + "\Nominal.txt",Nomvalues)
1375_1bf8e509a4663306c4a59f067f99f9b9.png

Curve2.7z

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Andreas,
This figure from the standard is illustrating the MMC boundary that the surface of the slot cannot violate. It's the lines, as you illustrated, along with the tangent radial ends, which go through the points. That entire shape is shown in the original figure, and that's what they mean.171_315fcd7c2a573a62c61daffe70fa24bf.jpg
I'm also confused. What does (E.o.T.) mean?
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"Tangent radial ends"
I am far away from this kind of geometry!


END OF THREAD (E.o.T.)
For my part.
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