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02JAN2013 happy new year!
An irc user asked if Linuxcnc could handle XYZ with a C axis ( turns around Z )
IchGuckLive built a set of config files modified from the sim axis 9  config

They can be placed in a new folder inside your 'configs' directory in your Linuxcnc directory

name the directory as you like, it was 'ravenrock' ( the irc user that began the enquiry )

heres the files
upload:axis_manualtoolchange.hal
upload:core_sim9.hal
upload:dump.rdb
upload:locking_indexer.hal
upload:ravenrockCXYZ.ini
upload:README
upload:sim_spindle_encoder.hal
upload:simulated_home.hal
upload:standard_pinout.hal
upload:stepper.tbl
upload:stepper.var
upload:stepper_xyza.hal
upload:stepper_xyzc.hal
upload:catskin2.ngc

IchGuchLive sent a terrific Venus,ngc,
as in DeMilo/WingedVictory/...  but its too big for wiki
with its vertical tool orientation, it would not cut well
but it should extrude nicely :)

so I included very lame 'catskin2.ngc'
it cuts a circle 2 ways, once interpolated(XY), once fed(C) 

the trick is in specifying the GEOMETRY and AXIS statements

the standard supplied file 'stepper_xyza.hal' >was< left out, 
just a simplification while IchGuchLive prooved the idea.

I've included a new 'stpgen_xyzc.hal
there are no changes to core_sim9.hal
but there are a few notes ( this local copy will be used )

To understand it more you shoud look at other configs to see the differences
There are many place where tiny changes are needed, 
esp. when combining the supplied core_sim9 and the normal stepper_xyza.hal ( as a template )

( these 2 files dont play nice, 
  each tries to loadrt and addf and net things the other also does :p )
upload:xyzc-catskin2.png

it is like a troyke on a bridgeport
unforch i recalled using a compound troyke ( XY C UV ) cutting mold pockets :(


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Edited January 2, 2013 4:16 pm by Tjtr33 (diff)
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