[mattlynx]

Hi guys I've got to try and machine a cone from 38mm down to 35 mm on a victor v centre fanuc control I've tried using a form tool but alarms out is there any alternatives I.e single point with a boring bar can someone show me how to program this please !or can I interpolate a smaller cutter to achieve this please help!


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[samu]

wath is the alarm? did you try with a cutter that have the same taper than the cone to machine?

[JEST]

I cut cone/funnel shapes with a vertical mill often. You can use a boring bar, but I prefer a ball nose end mill

[mattlynx]

Yes the cutter was size on size and didn't like it so I need a program to use a smaller cutter I.e a ball nose cutter


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[keebler303]

With a ball nose it is as simple as cutting a circle, move a bit in Z, then cut another circle, a bit bigger or smaller than the last. Keep stepping down (maybe .010" or so, depends on ballmill size and your required finish obviously) until you get the whole cone.