Partial Arc to Arc

[MrE951]

I'm programming a .75R into a .01R on a .1875dia. Doing the math by hand. The partial arcs always give me fits and doing an arc to arc is something I haven't done yet. Any help is appreciated

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• Partial arc

[jreynolds5]

Below is a program example of a .02 rad into a 20° angle. should be able to use the same concept for your double radius. This then goes back in Z and does another 20° angle, because I am sure someone will ask G9 is high accuracy machining

G1X-.05F.002
X.143, R.02
X.190,A20.F.001
G9Z.653F.0012(FIRSTZSHOULDER)
X.250,A45.F.001