g76-g33 error

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26 Sep 2019 19:20 #146297 by jlviloria
g76-g33 error was created by jlviloria
Hello,

I'm trying to thread on my lathe.

The machine executes the threading command.
but I notice the following the movement is not continuous, the advance goes to zero and then gives a value of 235mm / min on average. until you reach the programmed distance.
I have another lathe with linuxcnc and it executes the threading cycle perfectly.

The spindle encoder is 2500ppr with A, B and Z channel.

working with 5i25-7i77

What can generate this error?

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27 Sep 2019 06:43 #146332 by pl7i92
Replied by pl7i92 on topic g76-g33 error
we need more infos
what version are you on what system os
is it different to the older mashine

and can you please give the full g-code command you executing

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02 Oct 2019 04:57 #146855 by andypugh
Replied by andypugh on topic g76-g33 error
Is the spindle scaling correct, and in the right direction?

Perhaps the system thinks that the spindle is turning faster than it is?

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