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Darren_T
11-17-2003, 05:01 PM
I used to operate plotters at the sign shop I worked at long ago. I'd use Casmate and Graphicad back in the day. Anyway, the plotters used spring loaded adjustable swivel knives. The plotters overcut adjoining lines to account for the blade width so the cuts were connected.

I was wondering if anyone has tried cutting vinyl this way with their home made CNC machine and if they've had to account for this in their G code.

How did the vinyl turn out? How small can you go with fonts?

Darren

Mr.Chips
11-17-2003, 06:25 PM
Here's a link of a vinyl cutter.
http://www.cuttingedgecnc.com/vinyl.htm
Hager

Bob Shaw
03-03-2011, 03:41 AM
I have been working on a vinyl cutter tool. I did a bit of testing on Friday and after a couple of false starts I think its ready:

YouTube - Vinyl-cutting-1.wmv

YouTube - Vinyl-cutting-2.wmv

Not sure about small fonts but it did manage the antennae on a butterfly sticker. The antennae are about 2 inches long but maybe a 32nd wide at the slimmest. That bodes quite well for small fonts.



Bob

robe_uk
03-03-2011, 02:48 PM
I seen these holders on Ebay (http://cgi.ebay.co.uk/Blade-Holder-ROLAND-Vinyl-Cutter-Plotter-1-BLADE-/260591229329?pt=LH_DefaultDomain_3&hash=item3cac729991#ht_4013wt_944) so would make implementing on a cnc router easy enough I think

louieatienza
03-03-2011, 03:08 PM
I used to operate plotters at the sign shop I worked at long ago. I'd use Casmate and Graphicad back in the day. Anyway, the plotters used spring loaded adjustable swivel knives. The plotters overcut adjoining lines to account for the blade width so the cuts were connected.

I was wondering if anyone has tried cutting vinyl this way with their home made CNC machine and if they've had to account for this in their G code.

How did the vinyl turn out? How small can you go with fonts?

Darren

LOL I STILL work with CasMate! And I still find it easier than anything I ever used. Surprisingly it runs in Windows 7, not bad for 20 year old software!

neurofen
03-03-2011, 08:05 PM
i bought this vinyl cutting head about 3 years ago, It's made by Roland.

The 'blades' are held in place with a tiny bearing ring and spring mounted. Height is adjustable by the brass ring on the outside.

I'd tried some cheaper ones off ebay but this worked a lot better but was a bit more expensive.

It didnt come with the jubilee clip(probably obviously) or the metal its attached to;a friend made made that, but the assembly worked well to.

The cnc i had at the time was a tiny kit job and the stepper drivers didnt allow for curves, so everything i cut was made up of straight lines, BUT, it was able to cut fairly quickly very thin parallel lines: with the right vinyl, 1mm apart or maybe less, i didnt measure.

It depends a lot on what youre cutting. I generalyl didnt cut to small cause it took to long to weed it :(*

I was going to hook this up in the week but havent got around to it what with work and that, got rolls of vinyl lying about, will post a few vids of it cutting curves if its of interest.

Bob Shaw
03-04-2011, 03:49 AM
Neurofen,

How much was the Roland cutting head?

Cheers,

Bob.

Markwind
03-04-2011, 07:01 AM
These guy's make a cutter for your CNC
cnc 1/4" knife holder (http://www.rockcliffmachine.com/forum/showthread.php?p=2583#post2583)

neurofen
03-04-2011, 08:11 AM
Neurofen,

How much was the Roland cutting head?

Cheers,

Bob.



approx. 40 including delivery and 5 blades.

Bob Shaw
03-05-2011, 07:01 AM
I'm selling my cutter on Ebay

CNC Vinyl cutting tool. Ideal for signs and lettering. on eBay (end time 09-Mar-11 12:47:47 GMT) (http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=320653930354&ssPageName=STRK:MESELX:IT)

Roland blade, 10mm or 1/2" shank. Twin bearing, all stainless construction. Lifetime guarantee. Free worldwide postage.

48 on Ebay but I guess I'd sell one to anyone here direct for 40 ($70). Just PM me.