Laser Cutting

http://www.australiasigns.com.au How is this made ? What’s your comment, Cool or Hot ? These YouTube signs are made using laser cutting and signage techniques. The YouTube new video was not a commercial project, it came from some of the team concept ideas for showing how a laser cuts metal and plastics. From Start to Finish. The sign is not for sale, just a great staff favourite example it is our best ever video.
Stainless is a strong metal and takes a considerable amount of blast power to cut through. Check out the edges.

The logo is drawn using our favorite Corel and splitting the nodes and readjusting the fonts suitable into working paths, the file is then converted to objects and any internal sections such as the ‘e’ are combined to form two paths. This is for lift and drop.
The video starts with protective mask being removed from the Red Acrylic Perspex being shaped by the laser.
The first scene of the laser working shows the ‘blast’ point that sets a pilot hole 8mm away from any cut lines. The liquid you see over the metal is a ’softening agent’ to stop sparks damaging the surface.
Further along, you can see the second stainless panel, we made two versions of the logo. 1. Is White based, 2. is a special frosted acrylic panel that allows some light to pass through.

Cutting the backing boards, the 1st stage is to use a panel saw, then, the team further smoothes the edge of the plastic by passing it by a high speed router head. This takes off any harsh cut marks. The edge of the sign will also be seen once stood off the wall and the slightly oversized holes are drilled on a bench drill at a very slow speed so as not to hurt the acrylic. After router, the edges are further exposed to a high heat that begins to melt the edge of the perspex. This looks just like a polished glass safety edge. The Oxy Acetylene is set to low.

Composing:
The original plan is used throughout, here, the measurements are 10:1 scale. So the production team can accurately place each indivual letter component in position. The beige thick lines you can see are a special non stick tape used that the measurements are drawn onto. The sign panel remains totally fingerprint free.

If you pause the video on the ’side’shots, you may see how the lettering is raised away from the base. 6mm clear circles were also cut using the laser and polywelded to the panel. Polywelding is a special fluid that softens each perspex molecule and re-bonds the two together to form a super strong stick. Polywelding is a favourite technique.
Each letter is raised away from the panel and this creates great looking shadows.

The glow effect or ‘highlight’ you see on each letter is from natural lighting. Its funny how light affects the shadow.

Extra Feature at the end: Shows the power of the atom. Atoms are super charged by electricity and mixed with gases at the head to create the cutting blast power.

Hope you enjoy

BTW: Hot Fingers can still count to ten.

New Signage videos soon to come. We’re editing popular videos right now!
There are finished Youtube vids by searching australiasigns on YT.

The tape you see being removed is our way of making a scratch free surface.

BTW, it was a hot day when we made this, so the guys and girls were dressed for heat.

Thanks for all the great comments guys, appreciated from us and hope you get creative. Signwriters Editing Team.

Duration : 0:7:47

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