Messages

31

General Mach Discussion / Re: rewiring to minimize EMF and heat

« on: October 03, 2010, 11:40:09 PM »

Do you recommend any brand or make of wire out there?  I want to make sure I don't screw this up again.  Also what enclosures do you find are the best and most affordable?

Barry

32

General Mach Discussion / rewiring to minimize EMF and heat

« on: October 03, 2010, 02:35:03 PM »

Hey folks, the time has come to rewire Milla, my 6 axis mill.  When looking at the wiring job I did, it's surprising she's worked this well until now.  After doing my latest aluminum job, she's getting a lot of EMF.  Pict included of the wiring.  I was wondering if you wall could mention your preferred wire, control box, and wire connectors.  My initial wiring didn't include shielded cabling, so right there will be a huge step up.

Still though, I'd like to know how to turn my previous wiring job which is so messy, but it works, into something neat, manageable, and no crosstalk.

Also included is my wiring diagram, so you can see how complicated it is.





Barry

33

Show"N"Tell ( What you have made with your CNC machine.) / Re: First Piece cut in Aluminum

« on: September 08, 2010, 11:18:13 PM »

Thanks for everybody's help.  I thought I should post some progress.  I've shortened the length of the bit, as well as reduced the speed of the spindle.  I've had to reduce the feed rate a lot so I don't break bits, and I've broken about 4 to figure this out;)

I've got the clamps on order and will do the sacrificial layer and stock clamping on it next.  I think that'll reduce the noise and probably even allow me increase the feed rate a bit.

Anyway, here's some more pieces.  Oh, I put tabs on everything so it holds the pieces in place.  I can trim it down with a dremel easily.



Barry

34

Show"N"Tell ( What you have made with your CNC machine.) / Re: First Piece cut in Aluminum

« on: September 06, 2010, 09:56:02 PM »

George you've made my day with recommending those Incra clamps.  No more drilling holes in my stock for clamping, that's a pain!

Btw, I'm off to the bit dealer tomorrow.  I broke my last one today, and will get a shorter one, say 15 mm exposed should do it, at least I'm hoping.

35

Show"N"Tell ( What you have made with your CNC machine.) / Re: First Piece cut in Aluminum

« on: September 06, 2010, 11:02:10 AM »

Thanks everybody's responses are great and I'm sorting through them now.  I'm sure I'll be able to complete the project now without breaking any more bits;)

36

Show"N"Tell ( What you have made with your CNC machine.) / Re: First Piece cut in Aluminum

« on: September 05, 2010, 11:16:42 PM »

Thanks, I'll give it a try.

Barry

37

Show"N"Tell ( What you have made with your CNC machine.) / First Piece cut in Aluminum

« on: September 05, 2010, 07:19:53 PM »

Hey folks, I'm doing an installation piece about femme fatale profiles.  This is the first piece I've every cut in aluminum and notice some strange properties of aluminum that I'm hoping you guys can recommend ways around.  First off, here's the piece and also another showing the aluminum place, how I've mounted it, and cutting.


http://www.3dmation.com/images/First_AL/al_setup.jpg

The plate is seperated from the table by about 4 mm, and the plate is 2.3 mm.  When I cut, I'm cutting at .35mm depth at a time, and it's humming along.  As it starts to cut through, the aluminum starts to bend up and have sway.  At near the end of the process the piece bounces around a bit and breaks the bit.  Any idea how to make it so it doesn't do that?

38

Show"N"Tell ( What you have made with your CNC machine.) / Re: 4th and 5th axis test

« on: July 20, 2010, 10:46:10 AM »

I'm going to make these in both aluminum and wood.  My mill is not liquid cooled, so I'll be miling slowly.  I haven't heard of using a vaccum, bladder, or glue.  Those options are very interesting.  I'll look up those to see how they willl apply here.

Question though, what is a 'nest'.  That gives me a visual that is very different than is probably expecting;)

Barry

39

Show"N"Tell ( What you have made with your CNC machine.) / Re: 4th and 5th axis test

« on: July 20, 2010, 02:41:36 AM »

I'm using RhinoCAM pro.  Hmm, this might be even easier to do this with a rotary table axis.  No jig required then.  I'm going to try that, as I do have that waiting to be installed.

Barry

40

Show"N"Tell ( What you have made with your CNC machine.) / Re: 4th and 5th axis test

« on: July 20, 2010, 01:59:09 AM »

ooh, good idea Tweakie.  I'll do that.  Thanks.