Anyone living near Frankfurt (Germany)

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23 May 2017 15:32 #93550 by pagaty
pagaty created the topic: Anyone living near Frankfurt (Germany)
Hi,

hope i got the right Forum.

I have build a CNC mill and trying to work with it.

But it will not work with me!!

The Axis an handmade G codes working fine.

Now i am trying to import G code from Fusion360 and EMC2 makes strange things.
Before starting milling it goes with the Z axis fully down. As a sample.

So my question.

Is there anyone near Frankfurt, Darmstadt or W├╝rzburg who i can visit and talk about basic thing for me to understand?

Thanks in forward

Pagaty
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23 May 2017 22:29 #93574 by andypugh
andypugh replied the topic: Anyone living near Frankfurt (Germany)

pagaty wrote: Before starting milling it goes with the Z axis fully down. As a sample.


You could alter this in the postprocessor, but it is probably safer to reconfigure the Z axis.

Most CAM systems expect Z = 0 (in G53 coordinates) to be at the top, and all lower positions to be negative numbers.

They output G-code which starts with G53 Z0, and in your case that is bad.

If the axis currently goes from 0 (bottom) to 275 (top) then change the limits (and home positons) to be -275 at the bottom and 0 at the top.
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