surface finish contour

[mirek1017]

Good morning All 

I have issue with my toolpath surface finish contour .I want to blend .5 rad on shaft  ,I set up this job on my redtrofeeder old G&L boring mill .When I use flowline  toolpath my post make me point to pint codes ,and machine start jumping like crazy .I want to get arcs output and and blend this ,but wen I set my finish contour surface toolpath looks very bad .

Can somebody help me with this ,thank you 

[nickbe10]

I usually use Flowline in these situations. Go to the Finish flowline parameters page. Top Left, click the Toatal tolerance button.

Check Line/Arc filtering and the Output 3D arc moves. I usually set the Line/arc tolerance : Cut tolerance at 2:1 using the slider bars.

Press the Gap settings button (back on the parameters page) and set the Gap distance larger than the length of the cut to stop vertical retracts.

[mirek1017]

5 minutes ago, nickbe10 said:

I usually use Flowline in these situations. Go to the Finish flowline parameters page. Top Left, click the Toatal tolerance button.

Check Line/Arc filtering and the Output 3D arc moves. I usually set the Line/arc tolerance : Cut tolerance at 2:1 using the slider bars.

Press the Gap settings button (back on the parameters page) and set the Gap distance larger than the length of the cut to stop vertical retracts.

Thanks ,but  I can see wen I mark the surface  there is something wrong ,take look 

[Guest]

File?

[mirek1017]

23 minutes ago, nickbe10 said:

I usually use Flowline in these situations. Go to the Finish flowline parameters page. Top Left, click the Toatal tolerance button.

Check Line/Arc filtering and the Output 3D arc moves. I usually set the Line/arc tolerance : Cut tolerance at 2:1 using the slider bars.

Press the Gap settings button (back on the parameters page) and set the Gap distance larger than the length of the cut to stop vertical retracts.

and my 3d arc out put is not activate 

[mirek1017]

On 9/7/2017 at 7:34 AM, JParis said:

File?

 

 

[Guest]

I'll try to get a look at it this morning

[Grievous]

Try this..

I would personally use a cutter with 0.5 rad and just do a 2D contour...

finish surface contour.mcam

[mirek1017]

5 minutes ago, Grievous said:

Try this..

I would personally use a cutter with 0.5 rad and just do a 2D contour...

finish surface contour.mcam

thank you so much ,there is this what I exactly looking for !!!!

 

I now the will be the best thing use 2d ,but my company  not have  .5 rad rand insert for cuter ................

[nickbe10]

Sorry master80,

I cannot open your file (I am still on X9). I tried all sorts of combinations to see if I could get my 3D arcs button to "grey out" but it is always there.

There might be a Configuration setting....? I will try and check this out.

Don't use the Smoothing settings button at first. It is kind of fighting the 3D arc filter.

To get rid of the odd move off the surface try Depth of cut page, or construct check surfaces. Also check the surface normal condition

[nickbe10]

No Config. setting I can see.....Let's see what JP comes up with....

[mirek1017]

the Grievous flowline toolpath looks good,but when I posting there is still points in G codes  .Start with arc 3 lines ,then point to point  and ends line arcs .And one more thing .the first cut start from .25  half of the insert cuter ,haw change this to start from .45  only .05 deep first cut 

(NEW RAD)
N1 D2 (2 INCH .25 RAD INSERT CUTER )
(TOOLPATH - FINISHFLOW)
(STOCK LEFT ON DRIVE SURFS = 0.)
(STOCK LEFT ON CHECK SURFS = .005)
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[Grievous]

You can add a 2D contour with same tool up to the level where the 3Dop starts...see new file

finish surface contour.mcam

[mirek1017]

4 minutes ago, Grievous said:

You can add a 2D contour with same tool up to the level where the 3Dop starts...see new file

finish surface contour.mcam

Yep , I change 3 first line by hand ,thanks 

[Guest]

If you look closely at the surface you made, you had an undercut effect happening....

I extended and use fillet surface to surface to create a new clean surface, then using create cuver, create an arc at the center and rotate to create the closed geometry...

with all arcs used now the surface was clean and flowline works as smoothly as you would expect.

 

I didn't add the arc filtering but that should be easy enough...I have found use either arc filter of smoothing but using both is the cause of many more issues than it solves

JP finish surface contour.mcam

Edited September 7, 2017 by Guest

[mirek1017]

thanks JParis .When same 3d toolpath are so tricke ,then I do not even wont to thinking about 5 axis 

[Guest]

Nothing tricky about it

When I used to teach people would ask, what's better, solids or surfaces...

My answer always was, you need them both in your toolbox...

and I have noticed, there is a "very" slight angle in your part...that's why arcs are not wanting to come out, the part does not present as flat. It's a small amount but you can see it in the code, there is a XYZ happening while cutting.....if it were flat, it would be xy and then z, then xy and then z

[Grievous]

If u check the 2nd file I posted you will get perfect arcs...did same thing ..created a new surf

[mirek1017]

25 minutes ago, Grievous said:

If u check the 2nd file I posted you will get perfect arcs...did same thing ..created a new surf

thank you so,so ,so much .this will be my sample for years