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Topics - Tweakie.CNC

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381
General Mach Discussion / Tormach CNC Scan.
« on: July 12, 2010, 01:37:10 PM »
Has anyone tried the Tormach CNC Scan plugin and what kind of results did you get please ?.

http://www.tormach.com/blog/?p=1038

Tweakie.

382
I am having an issue with switching output #1 with the commands E1P1 and E1P0.

For most of a program it works just fine then suddenly gets confused (particularly with short moves) then returns to working just fine again.
Despite much experimentation I have not been able to get to the bottom of this or find the cure.

If anyone has experienced this problem and discovered the reason or found a cure I would be most grateful to learn the answer.

I have attached a simple GCode which exhibits this problem.

Thanks,

Tweakie.

383
*****VIDEOS***** / Vector Laser Engraving.
« on: April 20, 2010, 12:42:21 PM »
Another very short video clip of Sam's Wile.E.Coyote.

This is engraved with my CO2 laser head (finished at last, well almost) onto a small piece of MDF.

                 http://www.cooperman.talktalk.net/laser1a.wmv

Tweakie.

384
*****VIDEOS***** / Impact Engraving.
« on: April 12, 2010, 09:57:18 AM »
A short video of Impact Engraving on hard anodized aluminium.

                                    http://www.cooperman.talktalk.net/impact5.wmv

Because Sam made such a lovely job of producing this Wile E Coyote I just had to do it. http://www.machsupport.com/forum/index.php/topic,12140.0.html

The federate was initially set a little too fast for my impact tool, which uses the mains frequency (only 50 Hz here in the UK) for it’s pulsing and I got some variations in line width on my first attempt. Reducing the federate seems to cure the problem but you can still engrave pretty quick with these little tools - they do, however, make a fearsome amount of noise !.
The impact tool used is a Burgess handheld device for which I have made a small clamp to hold it to the Z axis. It is switched on/off using the spindle relay.

Tweakie.

385
*****VIDEOS***** / Vinyl cutting.
« on: April 05, 2010, 11:54:54 AM »
A short video of cutting sticky back plastic.

                       http://www.tweakie.byethost10.com/anelpako.wmv


Tweakie.

386
General Mach Discussion / FREE Router.
« on: February 09, 2010, 06:52:05 AM »
I know this is not the right place to post this but I thought it would get the most views here and it requires swift action.

Any of you Guys live in Alberta ?

There is a MultiCAM 48 Plus router going for free - just needs collecting (big truck and strong guys required).

http://www.flickr.com/photos/jbussoli/4336188986/

Tweakie.

387
Found the .stl for this tiger on the Zone and decided to cut it in teak. It is approx 70mm x 70mm x 30mm and cut with a 2.5mm ballnose in 3 passes - took approx 3 hours total, including the emergency saw to the stock to clear the chuck on the final pass.  ;)

Tweakie.

388
Tangent Corner / Man Gifts.
« on: January 07, 2010, 04:06:55 AM »
Came across these ads and thought they might appeal.  >:D

Tweakie.

389
A handy little program which will convert most units of measurement is available for free download here:-

http://joshmadison.com/software/convert-for-windows/

I have not tested all conversions for accuracy but the ones I have used are spot-on. Thought this may be of interest to others.

Tweakie.

390
Do you remember these (legacy) magnetic access cards ?.

Well I needed to program one – they have a composite core of  flexible magnetic material (very similar to a fridge adornment) and are programmed with a number of magnetic domains, some north up and some north down. Knowing the positions and polarities of the required domains do I make a ‘programmer’ or use Mach ?.  You guessed it Mach wins.

I used a 110Volt coil, half wave rectified, together with a couple of bits of iron and with the spindle relay (and the use of M3 / M4 commands) was able the change the magnetic polarity of the coil to program the domains.

It worked perfectly and serves to indicate the versatility of Mach for what is perhaps an unusual application.

Tweakie.

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