Author Topic: Having an issue with threading rpm, starts at 45rpm???  (Read 713 times)

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Offline mike^3

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Having an issue with threading rpm, starts at 45rpm???
« on: November 14, 2015, 07:37:34 AM »
Hello community! I am almost done retrofitting my CHNC4 to mach 3,

I am having an issue though.

When I use the lathe wizard, it threads great when at 500 rpm, or whatever I set it at.

The problem is that the first pass is 45rpm, then 250, then 500 (requested rpm in the wizard).

Any ideas?

Im going to try to make some cam gcode with fusion 360 and see if that fixes it.

Thanks so much! I will upload a video shortly! :)

Offline mike^3

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Re: Having an issue with threading rpm, starts at 45rpm???
« Reply #1 on: November 14, 2015, 10:43:24 AM »
This might be because the spindle is not trying to correct its speed...Heres a video, any help?

https://www.youtube.com/watch?v=FjkSUMz8I6o