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Initial primary on drill ops


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There are several existing options already available in the Generic Fanuc 5X Mill Post, that should require zero coding on your part.

For the Generic Fanuc 5X Mill Post, there are several Miscellaneous Integer settings you should be aware of:

mi4$ = Primary Bias

mi5$ = Secondary Bias

Both of these are set in an individual Operation, to allow you to pass a numeric value to the logic in the PSB file.

Now, these switches also are only applicable (by default), at the "Actual Tool Change". So this would be when the tool has been changed, or when "Force tool change" switch is on.

But, there is a switch variable inside the top of the Post: bias_null

The 'bias_null' switch will enable the Post to read the MI4 and MI5 settings on any Operation. (Zero values are ignored always!) So don't try to use this to "force zero". That won't work.

In addition to the Bias Miscellaneous Integers, there is also the ability to temporarily restrict the Secondary Axis travel range. The mi9$ and mi10$ Miscellaneous Integers allow you to restrict the Travel Range on the Secondary to only allow Positive or Negative values. By default, MI10$ is applied to 3+2 Operations only. MI10$ is applied when using Vector-based 5-Axis paths.

So if you're Operations you want to force Negative values for are on the Secondary, where only +90 or -90 are valid solutions, then using MI10 is the easiest option. If you are trying to force -90 or +90 on the Primary, then MI4 is the ticket.

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