no arc output

[Tony35]

i have a .406 slot that i roughed with a 1/4 endmill leaving .005 on the walls with a ramp of .05 when i post it all is good G3 and G2s now when i go to finish it with a 1/4 endmill (2D contour) when i post it, its all linear moves my planes are set right part is flat ect

i am stumped on this one

 

any thoughts would be great

thanks in advance

[gcode]

make sure you don't have

"linearize helix" checked on

your finish toolpath

[Superman]

Check to see if the entities you think are arcs, are in fact splines.

[Tony35]

gcode

its just a 2d finish path once around at depth no helix

 

superman

that was the first thing i checked for and the geo is good 2 arcs and 2 lines

 

could this be a tolerance issue in MD that i dont have set right?

[Mike S @ S4A]

gotta file you can share?

[Tony35]

its on cad cams ftp site under MCX x3 files

307442 nozzle diffuser

 

the problem is in group (mill slots op4)

operation 32

 

thanks for taking a look

[gcode]

That is very strange .. I have no idea

what's going on..

[peon]

I looked at it myself. The toolpath backplots arcs.

[Tony35]

thanks for taking a look

its got me stumped thats for sure

[Goldorak]

i just re-chain the slots and it works great , when i opened the file, i dont have any curves in op32, but in the op manager it says 4

 

[peon]

Gold, all four chains are present in the chain manager on my end. I even sketched four new oval slots and the toolpath still wouldn't post arcs.

[Goldorak]

here is the g-code i get

 

code:

---

 (FINISH .406 SLOTS)

G15H1

X-1.91Y-.4719Z3.

Z.1

G1Z-.77F50.

G41D18Y-.447F13.75

G3X-1.935Y-.4219I-.025J0.

G1X-2.06

G3Y-.5779I0.J-.0781

G1X-1.81

G3Y-.4219I0.J.0779

G1X-1.935

G3X-1.96Y-.447I0.J-.0251

G1G40Y-.4719

G00Z.1

G15H1

X1.96Y-.4719Z.1

G1Z-.77F50.

G41D18Y-.447F13.75

G3X1.935Y-.4219I-.025J0.

G1X1.81

G3Y-.5779I0.J-.0781

G1X2.06

G3Y-.4219I0.J.0779

G1X1.935

G3X1.91Y-.447I0.J-.0251

G1G40Y-.4719

G00Z.1

G15H1

X1.96Y-1.472Z.1

G1Z-.77F50.

G41D18Y-1.447F13.75

G3X1.935Y-1.422I-.025J0.

G1X1.81

G3Y-1.578I0.J-.0779

G1X2.06

G3Y-1.422I0.J.0781

G1X1.935

G3X1.91Y-1.447I0.J-.025

G1G40Y-1.472

G00Z.1

G15H1

X-1.91Y-1.472Z.1

G1Z-.77F50.

G41D18Y-1.447F13.75

G3X-1.935Y-1.422I-.025J0.

G1X-2.06

G3Y-1.578I0.J-.0779

G1X-1.81

G3Y-1.422I0.J.0781

G1X-1.935

G3X-1.96Y-1.447I0.J-.025

G1G40Y-1.472

G00Z3.

---

maybe it's a post issue

[Tony35]

here is what Mike S @ S4A said on it

 

I’m getting the same thing as you….strange.

We had a similar issue a while back with a customer

where it turned out to be a bug related to

the ratio of tool diameter to chained geometry….

(this slot’s .25 center to center, same as tool dia)

 

I tried creating fresh curves off the solid at the cut elevation,

, activating filtering on the path…no luck.

Posted with the mplfan, generic fanuc 4x,

When I switched to a 1/16 endmill the arc output showed up

 

So then I created two .406 arcs in space and trimmed ‘em to a pair of lines

…toolpathed with your planes…good code.

So I did an Xform/translate/move and copied the new geo up onto the solid.

Rechaining a copy of your original op on this new geo posts good

 

this forum rocks for help

 

thanks for taking a look at it guys

[Mike S @ S4A]

One other thought - it could be the new arc filter.....

[Mike S @ S4A]

nope - disregard that.

[Tony35]

yep already disabled on my end

[dolphin1]

if you look at your planes the t & c plane are unidentified. might have something to do with it. at least thats the way it shows up in my setup.

[Tony35]

dolphin1

uncheck "display relative to WCS" and it will show you the T/C plane names

[Mike S @ S4A]

Tony u got mail

[Tony35]

its a bug

Logged as CNC 00053594

 

thanks mike

[Slydman]

It's a post issue,

 

I took my post (for hitachi) and works find.

 

Here is my output:

 

O0001(TEST SUBT-18 DIA-.25)

(FINISH .406 SLOTS)

(MAX | Z3.)

(MIN | Z-.77)

N1S2292M3

N11G0G90X-1.91Y-.4719

N21G43H[#4400]Z3.

N31Z.1

N41G1Z-.77F50.

N51G41D[#4400]Y-.447F14.

N61G3X-1.935Y-.4219R.025

N71G1X-2.06

N81G3X-2.1381Y-.5R.0781

N91X-2.06Y-.5779R.0781

N101G1X-1.81

N111G3X-1.7321Y-.5R.0779

N121X-1.81Y-.4219R.0779

N131G1X-1.935

N141G3X-1.96Y-.447R.0251

N151G1G40Y-.4719

N161G0Z.1

N171X1.96

N181G1Z-.77F50.

N191G41D[#4400]Y-.447F14.

N201G3X1.935Y-.4219R.025

N211G1X1.81

N221G3X1.7319Y-.5R.0781

N231X1.81Y-.5779R.0781

N241G1X2.06

N251G3X2.1379Y-.5R.0779

N261X2.06Y-.4219R.0779

N271G1X1.935

N281G3X1.91Y-.447R.0251

N291G1G40Y-.4719

N301G0Z.1

N311X1.96Y-1.472

N321G1Z-.77F50.

N331G41D[#4400]Y-1.447F14.

N341G3X1.935Y-1.422R.025

N351G1X1.81

N361G3X1.7321Y-1.4999R.0779

N371X1.81Y-1.578R.0779

N381G1X2.06

N391G3X2.1381Y-1.4999R.0781

N401X2.06Y-1.422R.0781

N411G1X1.935

N421G3X1.91Y-1.447R.025

N431G1G40Y-1.472

N441G0Z.1

N451X-1.91

N461G1Z-.77F50.

N471G41D[#4400]Y-1.447F14.

N481G3X-1.935Y-1.422R.025

N491G1X-2.06

N501G3X-2.1379Y-1.4999R.0779

N511X-2.06Y-1.578R.0779

N521G1X-1.81

N531G3X-1.7319Y-1.4999R.0781

N541X-1.81Y-1.422R.0781

N551G1X-1.935

N561G3X-1.96Y-1.447R.025

N571G1G40Y-1.472

N581G0Z3.

N591M99

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