[DarkStarMedia]

I am trying to figure out how to change my post so that it will do a different G-code for helical movements (g12/13). I do not see in the post anything that differentiates between arcs and helical arcs other than turning helical on or off in one section.

Richard

[imachining-6061]

You mean you can't do helical moves using G02 and G03 ?

[DarkStarMedia]

You mean you can't do helical moves using G02 and G03 ?

That is correct....

I think I might have it figured but I haven't tested it yet...

here is my @arc section...

@arc
if arc_plane_h eq xy and change(zpos) then
call @helical
exit
else
if arc_direction eq CCW then
gcode = 3
else ; CW
gcode = 2
endif
endif

{nb, ["G"gcode]}

if arc_plane_h eq XY then
; X__Y__I__J__
{[" X"xpos], [" Y"ypos], " I"xcenter, " J"ycenter}
elseif arc_plane_h eq ZX then
; X__Z__I__K__
{[" X"xpos], [" Z"zpos], [" I"xcenter], " K"zcenter}
elseif arc_plane_h eq YZ then
;Y__Z__J__K__
{[" Y"ypos], [" Z"zpos], [" J"ycenter], " K"zcenter}
endif


{[" F"feed]}
endp



And I created a section called @helical

@helical
if arc_direction eq CCW then
gcode = 13
else ; CW
gcode = 12
endif
{nb, "G01", " R"radius, " I"xcenter, " J"ycenter, " A"start_angle, " Z"zstart}
{nb, "G"gcode, " A"arc_size, " Z"(zpos-zstart), " F"feed}
endp


No Idea if it will work yet. I was starting to create a part to look at the code when I ran out of time.

Richard

EDT: I updated the code snippets with ones that will not error out in solidcam. I still have not ran this through my machine as I am working on the machine right now (changing out the hard drive to back it up).

[DarkStarMedia]

Because the helical interpolation uses 2 g-codes I would like to figure out how to add a variable to indicate if I need to be in rapid or linear.

The programming manual seems to indicate that it requires 2 lines of code.
1 - Position to the start point of the helix in POLAR Coords
G0(G1)R_I_J_A_ (this is where I need to see if I am currently in G0 or G1)
2 - Do the helix
G12(G13)A_Z_F_ (where A is the total number of degrees and Z is the depth)

So in each call I would need track 2 g-codes; G0/G1 for rapid or not to start point, and G12/G13 for CW/CCW. Normally you just use the "gcode = X" format but I can not do that with both in the same function.



How do I initialize an additional variable?



Richard