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Create a Circle 22.5 degree from origin and datum

Michael Tran
Hello All,

I need to create a circle that 22.5 degree from a datum and 5.5" Radius from the origin.

Here is the detail:

Outside Diameter = 12”
Inside Diamater = 10”
Center Point was created from center of 10” circle
Datum A is X axis(created from 2 points of X=-6” and X= 6” from center point)
Datum B is Y Axis(created from 2 points of Y=-6” and Y = 6” from center point”)
Origin is intersect of Datum A and B(Center of the hole)
Need to create 17 circles (.285 Dia) between the Outside and Inside Dia, with 5.5” Radius from origin
The first circle is located at X=-5.5”(Radius), Y=0
The second circle is same as first circle, except 22.5 degree from Datum A
The remaining 15 circles have equal space of 22.5 degree.

I need help with the steps how to create the second circle, which is measure at 5.5” Radius from Origin and 22 degree from Datum A

Thank you in advance for your help

MT
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  • You want to create circle... Does it mean that you want to have theo circle ?
    I think about 2 solutions in this case, you can create a generic circle with X=5.5, Y=0,Z=0 (?) and radius =.285/2, then paste with pattern like vpt.se said (I see that you're new to this forum, you should always do what vpt.se says !!! Slight smile )
    Another solution is to create a excel sheet with x=5.5*cos(angle), y = 5.5*sin(angle) and z=0, i=0, j=0, k=1, d=.285. The angle goes from 0 to 337.5 (*pi/180 to have rad !). Then you save values as a text file, rename it with .xyz instead of txt, add the first line XYZIJK, and import it as a cad... like it :

    XYZIJK
    5.5, 0, 0, 0, 0, 1, 0.285
    5.081337429, 2.104758878, 0, 0, 0, 1, 0.285
    3.889087297, 3.889087297, 0, 0, 0, 1, 0.285
    2.104758878, 5.081337429, 0, 0, 0, 1, 0.285
    3.36916E-16, 5.5, 0, 0, 0, 1, 0.285
    -2.104758878, 5.081337429, 0, 0, 0, 1, 0.285
    -3.889087297, 3.889087297, 0, 0, 0, 1, 0.285
    -5.081337429, 2.104758878, 0, 0, 0, 1, 0.285
    -5.5, 6.73832E-16, 0, 0, 0, 1, 0.285
    -5.081337429, -2.104758878, 0, 0, 0, 1, 0.285
    -3.889087297, -3.889087297, 0, 0, 0, 1, 0.285
    -2.104758878, -5.081337429, 0, 0, 0, 1, 0.285
    0, -5.5, 0, 0, 0, 1, 0.285
    2.104758878, -5.081337429, 0, 0, 0, 1, 0.285
    3.889087297, -3.889087297, 0, 0, 0, 1, 0.285
    5.081337429, -2.104758878, 0, 0, 0, 1, 0.285
Reply
  • You want to create circle... Does it mean that you want to have theo circle ?
    I think about 2 solutions in this case, you can create a generic circle with X=5.5, Y=0,Z=0 (?) and radius =.285/2, then paste with pattern like vpt.se said (I see that you're new to this forum, you should always do what vpt.se says !!! Slight smile )
    Another solution is to create a excel sheet with x=5.5*cos(angle), y = 5.5*sin(angle) and z=0, i=0, j=0, k=1, d=.285. The angle goes from 0 to 337.5 (*pi/180 to have rad !). Then you save values as a text file, rename it with .xyz instead of txt, add the first line XYZIJK, and import it as a cad... like it :

    XYZIJK
    5.5, 0, 0, 0, 0, 1, 0.285
    5.081337429, 2.104758878, 0, 0, 0, 1, 0.285
    3.889087297, 3.889087297, 0, 0, 0, 1, 0.285
    2.104758878, 5.081337429, 0, 0, 0, 1, 0.285
    3.36916E-16, 5.5, 0, 0, 0, 1, 0.285
    -2.104758878, 5.081337429, 0, 0, 0, 1, 0.285
    -3.889087297, 3.889087297, 0, 0, 0, 1, 0.285
    -5.081337429, 2.104758878, 0, 0, 0, 1, 0.285
    -5.5, 6.73832E-16, 0, 0, 0, 1, 0.285
    -5.081337429, -2.104758878, 0, 0, 0, 1, 0.285
    -3.889087297, -3.889087297, 0, 0, 0, 1, 0.285
    -2.104758878, -5.081337429, 0, 0, 0, 1, 0.285
    0, -5.5, 0, 0, 0, 1, 0.285
    2.104758878, -5.081337429, 0, 0, 0, 1, 0.285
    3.889087297, -3.889087297, 0, 0, 0, 1, 0.285
    5.081337429, -2.104758878, 0, 0, 0, 1, 0.285
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