I have found a way to do rotational shifts of the C-axis using XYZACkins. I
use the B-axis for that and just program G0 Bxx at the start of each blade
of the impeller, where xx is the absolute position of each blade; ie 0, 90,
180, 270 for 4 blades.
The B position is available and free to use in
On 28 Dec 2011, at 05:52, "Rudy du Preez" wrote:
> If I use a G55 of say G55 c45 nothing happens.
...
> I hope the problem is now clearer and look forward to some response
Yes, I now understand that you want to pass a tool XYZAC to the G code and have
EMC2 convert the A and C to movements in
2011/12/28 Rudy du Preez :
> In a recent posting I did say where photo's of my machine and an impeller
> cut with it can be looked at.
>
> It is in groups.yahoo.com under group SA-CNC-CLUB in "photos". This is the
> discussion group for our local CNC club (South Africa), which I started
> about 2 y
2011/12/28 Rudy du Preez
> It is in groups.yahoo.com under group SA-CNC-CLUB in "photos".
>
I tried searching
"Sorry, no matches were found for SA CNC CLUB"
Andrew
--
Write once. Port to many.
Get the SDK and tools to s
In a recent posting I did say where photo's of my machine and an impeller
cut with it can be looked at.
It is in groups.yahoo.com under group SA-CNC-CLUB in "photos". This is the
discussion group for our local CNC club (South Africa), which I started
about 2 years ago (SA-CNC-CLUB) and has about 4
2011/12/27 Rudy du Preez :
>
> I want to be able to use offsets of C (and possibly A) while in world mode.
> Whereas it works OK in joint coordinates with trivkins, it seems to function
> differently in world mode using XYZCkins. My example code in the previous
> mail explained all that.
Then I do
On 27 December 2011 18:38, Rudy du Preez wrote:
> I want to be able to use offsets of C (and possibly A) while in world mode.
> Whereas it works OK in joint coordinates with trivkins, it seems to function
> differently in world mode using XYZCkins
What does XYZCkins do that trivkins doesn't? Is
Viesturs
No I did not screw it up. My kinematics equations are an abstract from a
full XYZACkins program with dx,dy,and dz axis offsets, which have been
tested and has worked for a long time cutting impellers and other stuff. I
wanted to keep it simple to address the issue of G54, to G59 offsets.
2011/12/27 Rudy du Preez :
> I am confused with G54 to G59. Look at the following code and run it on a
> simulation setup with Axis C rotation added:
>
> G10 L2 P1 x0 y0 C0
> G10 L2 P2 x10 y10 C0
> G10 L2 P3 x0 y0 C-45
>
> o100 sub
> G0 x25 y0
> G1 x30 f200
> G1 y5
> G1 x25
> G1 y0
> o100 endsu
I am confused with G54 to G59. Look at the following code and run it on a
simulation setup with Axis C rotation added:
G10 L2 P1 x0 y0 C0
G10 L2 P2 x10 y10 C0
G10 L2 P3 x0 y0 C-45
o100 sub
G0 x25 y0
G1 x30 f200
G1 y5
G1 x25
G1 y0
o100 endsub
g54 G0 x0 y0 C0
o100 call
g55 G0 x0 y0 C0
o100 cal
On 26 Dec 2011, at 15:06, "Rudy du Preez" wrote:
> I tried to use a G54 in the GCODE for a C-axis offste - it did not seem to
> work. I will try again.
As far as I know G54 only selects a coordinate system. If you want to put an
offset into that (or any other) coordinate system you need to us
Viesturs
Thanks for the response.
Perhaps before we go any deeper, have a look at what I have done.
I Yahoogroups, under group SA-CNC-CLUB, you will find some photos of the
5-axis machine setup and the part cut.
I tried to use a G54 in the GCODE for a C-axis offste - it did not seem to
work.
2011/12/26 rudy du preez :
> I now have a working 5-axis table-table EMC2 controlled machine and have
> cut my first 7-bladed impeller (turbo-charger type with slanted and
> curved blades). However, I have to provide GCODE for all 7 blades since
> G54 type offsets do not seem to work for the C-axis
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