[artracing]

I have a long pocket, same size as my end mill. I have V28 standard. The top and bottom of pocket is curved in Z. I have tried three axis and two axis and cant get it to
follow the top and bottom curve,
It's simply a curved slit curving in Z.
Need advise.

Rob

[jrmach]

More info needed,,ex:what kind a EM,,what tool path strategies are you trying specifically ?

There are other gremlins at work also,like an EM that is not balled will give you quite a different result

if you could .zip a .bbcd file would help

[artracing]

Ok, file attached. I'm new to BC. Be kind
See first pocket. It wont even extrude for me.
Things got a whole lot worse after I started this thread.
Pocket is .023 wide with 14"radius curve.
I must be doing something really wrong.

Rob

[artracing]

More info needed,,ex:what kind a EM,,what tool path strategies are you trying specifically ?

There are other gremlins at work also,like an EM that is not balled will give you quite a different result

if you could .zip a .bbcd file would help

I think i'm in metric, but preferences say English. Hmmmm

[BurrMan]

I cant find anything "curved" in the file? So I'm a little stuck as to ".023 slot with 14 in radius"

[artracing]

I cant find anything "curved" in the file? So I'm a little stuck as to ".023 slot with 14 in radius"

The lines in center should have 14" radius.
I think I screwed up this drawing
Best to start over.

[jrmach]

the pooch been screwed

that's ok,try again

[BurrMan]

Does it have anything to do with this type of shape

[artracing]

Does it have anything to do with this type of shape

Yup, its a fret board.
Sides are blind, Frets are 14" radius. Try to cut the slits so they have to have curved bottom..

[BurrMan]

Yup, its a fret board.
Sides are blind, Frets are 14" radius. Try to cut the slits so they have to have curved bottom..

Hey art. So those frets are 14 radius.

Its an easy cut. You can just center 14 radius arcs at your fret position and 3d engrave them.

However with an endmill and a 3 axis machine, you are going to enter the fretboard at an off angle and have a wierd entry point. The bottom wont be actually proper either.

I wonder if the standard version will do "wraping"... but you would need a rotary too. If both of these are the case, i can help you set that up.

If you just need to do it with the endmill, locked z axis cut, switch to the right ucs and draw your 14 radius and place its hieght, then 3d engrave it.

Can show you that too if you need.

[artracing]

Hey art. So those frets are 14 radius.

Its an easy cut. You can just center 14 radius arcs at your fret position and 3d engrave them.

However with an endmill and a 3 axis machine, you are going to enter the fretboard at an off angle and have a wierd entry point. The bottom wont be actually proper either.

I wonder if the standard version will do "wraping"... but you would need a rotary too. If both of these are the case, i can help you set that up.

If you just need to do it with the endmill, locked z axis cut, switch to the right ucs and draw your 14 radius and place its hieght, then 3d engrave it.

Can show you that too if you need.

I redraw the print. See attached. Seems nothing will follow the curve. Vcarve is the same. Just flat bottom groove.

[artracing]

Hey art. So those frets are 14 radius.

Its an easy cut. You can just center 14 radius arcs at your fret position and 3d engrave them.

However with an endmill and a 3 axis machine, you are going to enter the fretboard at an off angle and have a wierd entry point. The bottom wont be actually proper either.

I wonder if the standard version will do "wraping"... but you would need a rotary too. If both of these are the case, i can help you set that up.

If you just need to do it with the endmill, locked z axis cut, switch to the right ucs and draw your 14 radius and place its hieght, then 3d engrave it.

Can show you that too if you need.

And another problem, I thought I would do an extrude and then subtract. It wont extrude below 1mm along Z axis, it ends up doing a translate instead. What the hell.

[artracing]

Hey art. So those frets are 14 radius.

Its an easy cut. You can just center 14 radius arcs at your fret position and 3d engrave them.

However with an endmill and a 3 axis machine, you are going to enter the fretboard at an off angle and have a wierd entry point. The bottom wont be actually proper either.

I wonder if the standard version will do "wraping"... but you would need a rotary too. If both of these are the case, i can help you set that up.

If you just need to do it with the endmill, locked z axis cut, switch to the right ucs and draw your 14 radius and place its hieght, then 3d engrave it.

Can show you that too if you need.

I deleted everything but this curved shape. See attached, IT WILL NOT EXTRUDE less then 3.4 MM
What am I missing?

[BurrMan]

I deleted everything but this curved shape. See attached, IT WILL NOT EXTRUDE less then 3.4 MM
What am I missing?

That is odd. Must be some kind of tolerance issue. Run the skin command on the 4 entities then extrude the surface.

[BurrMan]

That is odd. Must be some kind of tolerance issue. Run the skin command on the 4 entities then extrude the surface.

Or extrude them 1 at a time and stitch the 4 surfaces together.

Just as further discussion, usually in a solid modeling workflow, a better approach would be to extrude a planar shape, then split the shape with the curved surfaces.

[artracing]

Or extrude them 1 at a time and stitch the 4 surfaces together.

Just as further discussion, usually in a solid modeling workflow, a better approach would be to extrude a planar shape, then split the shape with the curved surfaces.

I hear you but is this a BC issue. You have to add 10 steps, as a opposed to one. I'm at a point of trashing BC and moving on to Fusion. It seems that all I do is hit a brick wall with BC and we have to find a work around.
I'm done.
I appreciate all your help.
.
Rob

[BurrMan]

I hear you but is this a BC issue. You have to add 10 steps, as a opposed to one. I'm at a point of trashing BC and moving on to Fusion. It seems that all I do is hit a brick wall with BC and we have to find a work around.
I'm done.
I appreciate all your help.
.
Rob

Maybe, maybe not!

"""""You have to add 10 steps""""""

If you worked in a solid modeling approach, then entire part from blank doc to model is roughly 6 steps.

Be sure to count the steps in fusion!!!!!

[aldepoalo]

Artracing,

I understand at times "things" can be frustrating. No matter what system you are running you'll need to learn workflow. Workflow being the steps you follow to get to a desired result. In your case what you needed to draw and in what order, and the proper toolpath to create these slots. Recently I did a webinar on textures for 3D milling. I think you'll find this information most useful.

[aldepoalo]

Step 1- Layout the top view profile

Attachment 363690

Step 2- Layout fret locations

Attachment 363692

Step 3- End point location for top radius

Attachment 363694

Step 4- Draw Radius and connecting lines

Attachment 363696

Step 5- Skin and planer surface edges

Attachment 363698

Step 6- Project fret layout onto surfaces

Attachment 363700

Now that you have all the geometry laid out your next step would be to use 3D Wire Frame to machine the fret locations

Here is a screen shot of the simulation

[jrmach]

Really ? 3D wireframe ??

You mean it's that easy ?lol