How to carve a bowl out of wood on a 3 axis machine.

[Aaron74]

OK so I'm back looking for help.
The Mrs has now suggested that she would like me to make her a square oak block with a bowl carve in to it so she can put her jewellery in at night.
I gave her a breakfast bowl (which she chucked at me.... it missed).
Now I really do not know where to start on this ........
which bit to use.
what tool path to set.
I have tried but all I get is a round hole with flat sides....

Any ideas ......

[EddyCurrent]

What CAM software are you using ? can you draw the bowl in CAD and import as a 3D object ?

[Aaron74]

i have v carve pro and

and i have rhino 4 cad

[EddyCurrent]

http://forum.vectric.com/viewtopic.php?f=5&t=19148
But if you want it easy I think you need some 2.5D or 3D CAM software, something that can import stl files and generate the gcode. e.g. Cut3D

[Aaron74]

thanks ... i need to look more in to it

[kingcreaky]

horses for courses... use a wood lathe

:D

[Jester]

Is it something like this you are wanting ?

http://www.mycncuk.com/attachment.php?attachmentid=14362&stc=1

Only took a minute to design and tool path up im not sure about vcarve pro as im using aspire 4 but i can send you the gcode or maybe stl if i can figure that bit out

[corkcnc]

I got around stuff like that( before I had CAM software) with a Macro B program but don't know if your machine has full Fanuc capability. If it does let me know and I'll try to help you out with a bit of If and Then code.
Noel.

[Aaron74]

Is it something like this you are wanting ?

That was exactly what I wanted to make thank you for your help i will be in touch.

http://www.mycncuk.com/attachment.php?attachmentid=14362&stc=1

Only took a minute to design and tool path up im not sure about vcarve pro as im using aspire 4 but i can send you the gcode or maybe stl if i can figure that bit out

That was exactly what I wanted to make thank you for your help i will be in touch.

[Tenson]

I would draw a circle the outside dia. and then cut it with a 'Z Profile' the shape of the bowl cross section using a ball nosed end mill.

[mgillham]

Hi Jester, I would like to buy cut files for shopbot from you for these bowls. Please contact me at [email protected]. Thanks

[mgillham]

Is it something like this you are wanting ?

http://www.mycncuk.com/attachment.php?attachmentid=14362&stc=1

Only took a minute to design and tool path up im not sure about vcarve pro as im using aspire 4 but i can send you the gcode or maybe stl if i can figure that bit out

I would like to buy the gcode for doing this design. Thanks!

[magicniner]

I would like to buy the gcode for doing this design. Thanks!

You can't just run any old code on any machine, you'd have to say what cutter you want to use, what rpm your machine can run and what controller your machine has.
Speed and cutter must be specified in CAM to generate the moves, the right Post Processor for your machine controller must be selected to generate the correct "flavour" of G-Code for your machine.

[Desertboy]

I would like to buy the gcode for doing this design. Thanks!

I think you need to do a cad course (Online youtube is cheapest) ASAP there is nothing to this design not dissing Jester I'm sure he'd tell you this is a 2 minute mock up.

How I would do it draw rectangle, extrude, chamfer corners, create sphere, adjust height of sphere until appropriate then subtract from solid (Extruded rectangle), wrap with texture is optional, job done! If you did a cad course you'd learn to make this after the bacon sandwich but before the morning coffee.

Youtube has some good starter vids of Fusion I intend to use them because I draw in turbocad at moment.