Difference between revisions of "Robot Badge"

Revision as of 15:03, 24 May 2013

These are notes and files relating to the 'Learn To Solder' Robot Badge.

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-This is a guide to making rubber stamps on the laser cutter.
+These are notes and files relating to the 'Learn To Solder' Robot Badge.
-== Stuff required ==
-Firstly you will need some laser rubber, which can safely be cut on the laser cutter without loads of fumes.
-There are only a couple of suppliers that I have found (please add any, if you know) in the UK:
-*[http://www.laserprouk.com/laser-rubber.htm Laser Pro UK]
-*[http://www.grafityp.co.uk/ GrafityP UK - where I bought my laser rubber from]
-I had to buy this in bulk as shipping was quite expensive. Its around £7 a sheet, plus £6 p&p, plus VAT.
-If you would like a small bit to try then I am selling the excess from mine at £5 for an A6 piece (1/4 A4 - enough to make a load of stamps). Email matt_AT_re-innovation.co.uk.
-Laser rubber is pretty boring and looks like this:
+== Links ==
-<br>
-[[File:laserrubber1.jpeg|400px|center]]
-You will also need a rubber stamp ink pad and some structure to hold the stamp (a block of wood with a handle). I used this automatic inking rubber stamp as it was going up for grabs.
-<br>
-[[File:laserrubber2.jpeg|400px|center]]
-== Make your stamp image ==
-Make your image on your favourite graphics package. The image should be just black and white, as there is no graduated colour on a stamp. Make sure its the correct size.
-Remember:
-*It needs to be printed white where you want the image and black where you want it cut away (generally invert the colour on the image)
-*Also remember is to mirror the image, as it will be printed in reverse (I didn't do this on my first one).
-Export it as a bitmap or jpeg.
-== Cut out the stamp with the laser cutter ==
-We will be using the laser cutter as a laser engraver (actually thats what this laser machine is).
-Import the image into the laser cutter program (The amazingly named 'Newly Draw' in Nottinghack case).
-Test it out on a piece of wood - does it look OK?
-To cut the rubber, the settings I used are:  <del>speed 50, power 200. This made a reasonable depth (around 1mm).I would suggest using even slower speed to make it even deeper. I will check next time with just 20 as the speed.</del> '''Edit:''' Making the laser go slowly makes the rubber heat up and expand and causes distortion on the cut surface. After loads of attempts, I have found the best settings to be high power (400) and high speed (200) and then do two passes with the laser.
-<br>
-[[File:laserrubber3.jpeg|400px|center]]
-<br>
-[[File:laserrubber4.jpeg|400px|center]]
-Cut the stamp out with a sharp knife. Any point edges might affect the stamp, so go pretty close to the raised surface. You can see in the next photo that I get a load of ink around the edges. I should either cut it off or stick it down onto a more rigid surface.
-Glue the stamp onto some wood backing (with handle added). Prime with ink and stamp everything in sight.
-<br>
-[[File:laserrubber5.jpeg|400px|center]]
-<br>
-Some of the rubber stamps I have made recently:
-[[File:Rubberstamps_small.jpeg|400px|center]]
-== Links ==
-*[http://www.epiloglaser.com/sc_stamps.htm Info from Epilog Laser]
-*[http://learn.adafruit.com/laser-custom-stamps AdaFruit Laser Stamp tutorial]
 [[Category:Projects]]
 [[Category:Projects (complete)]]
 [[Category:Featured]]

Difference between revisions of "Robot Badge"

Revision as of 15:03, 24 May 2013

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