[Coco] [coco] Coco CNC

[Gene Heskett]

On Saturday 09 February 2008, George Ramsower wrote:
>I did my first fully automated CNC machining this morning. I finished
>cutting the groove for the X axis lead screw into the X axis table. It
>worked but with a problem with (I think) the Dremmel. Twice, the end mill
>began dropping down into the part..slowly.

I've had several occasions where a bit would ever so slowly walk out of the 
dremel's collet.  They could stand to have a better tightening mechanism.

>However, I don't think it is 
>moving inside the chuck. I think perhaps the dremmel is moving in the clamps
>I made, since they are simply pressed onto the dremmel. It might be also the
>output shaft on the dremmel that is moving. I'll have to look into this. It
>didn't hurt anything as I'm only making room for the lead screw and nothing
>is supposed to come in contact with this groove. It only makes room for the
>screw.
> But this issue will need to be dealt with before actually trying to make
>parts.
> Next, the pocket for the lead nut. This will more critical, as the nut
>needs to be pretty darned close to the desired position to work correctly.
>
> Tomorrow, I'm going to work on a utility to make a file for the main CNC
>program to read, and from there, do the moves that need to me made. The one
>I'm using now has an area from line 20 up line 100 where I put in the data.
>This ain't cool as the program is growing.. as does all software. The file
>needs to be small. The program can be larger, but there needs to room on the
>disk to save the files, with only the necessary programs to process them.
>
> I wish I'd have thought this out first before I began this. It's really
>time consuming and burning fuses in my brain.
>
> So far, I've only crashed the mill twice. Not too bad really.
>
>George
>
>
>--
>Coco mailing list
>Coco at maltedmedia.com
>http://five.pairlist.net/mailman/listinfo/coco



-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
You k'n hide de fier, but w'at you gwine do wid de smoke?
		-- Joel Chandler Harris, proverbs of Uncle Remus