1/16 or 1/8 carving time

[RMarkey]

Mechanical limitations of the machine prevented us from basing the quality & speed of a carve on the radius of the bit.

[lynnfrwd]

1/8" carving bit is NOW available. Along with new set of carbide bits for CT spindle.

(thought it was live last night)


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[fwharris]

1/8" carving bit is NOW available. Along with new set of carbide bits for CT spindle.

(thought it was live last night)


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http://store.carvewright.com/product...34&j=274458919
Just got the note!

Is there a list of other materials?

The CarveWright 1/8" ballnose carving bit allows for faster carvings in ONLY soft materials such as basswood or foam.

[lynnfrwd]

http://store.carvewright.com/product...34&j=274458919
Just got the note!

Is there a list of other materials?

The CarveWright 1/8" ballnose carving bit allows for faster carvings in ONLY soft materials such as basswood or foam.

No list. Balsa seems to do just fine. These are the main ones.


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[brdad]

So how does the machine know you're carving balsa or foam board, or does the machine just carve faster when you choose the 1/8" bit? I think the answer is obvious, but I can see people selecting it unsuspectingly, and there does not seem to be any pop-up warning in the software when it is selected. And then there are those who wish to use the bit in other materials?

[mwhatch]

So the machine can push a 3/16 carving bit but not a 1/8. Why not split the difference on feed and speed and give us that option?

[lynnfrwd]

So the machine can push a 3/16 carving bit but not a 1/8. Why not split the difference on feed and speed and give us that option?

The 3/16 is a much heftier bit. Anything harder than suggested could break the bit. Even the 1/16 carving is tapered and heftier. This one is straight.


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[bergerud]

Mechanical limitations of the machine prevented us from basing the quality & speed of a carve on the radius of the bit.

By "mechanical limitations" I think Metallus may be referring to the limitations on z truck acceleration. There is a limit to how fast the z truck can move up and down as it follows a pattern.

It seems that when I change from a 1/16 to 1/8 caving bit there is basically no didfference in carving time. I would think the 1/8 bit should cut the carving time in half as with a conventional CNC machine. Am I getting something wrong.

Maybe the question should be: why can the 3/16 bit carve twice as fast? Is the x feed rate, the y feed rate, or both rates which are faster?

[mwhatch]

I am going to beat this dead horse one more time. A tapered 1/8 bit is very stout. If the X axis step size was doubled that of the 1/16 rate, and all other settings stayed the same, would that not cut the carve time in half. I would think the machine is stout enough to do that. OK I'm done. I promise not to bring it up again.

Morton

[lynnfrwd]

We do not sell a tapered 1/8" carving bit. It is a straight ball nose bit.


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