http://g503.com/forums/viewtopic.php?f= ... 2&start=90
What I really want to mention is that while the project looks formidable... its actually a very simple process. Well, the hard part is getting an original. Short of a complete original you need to create a pattern. What I find really interesting is that the OP never actually tells you how it will be made. Its a super simple process using a STEEL RULE DIE.
This is what a steel rule die looks like:
- srd.PNG (355.13 KiB) Viewed 2559 times
Its all done via CNC now. A CNC router will cut a pattern in a piece of wood. The channels are then used as a guide for the steel rule... which is literally a sharpened piece of steel about 1/2in tall and sharpened on one side like a knife blade.
Most steel rule dies are priced per inch. Typically $1-4 dollars/inch + setup. This firewall pad benefits from only needing one die to cut both the facing and the insulation... you can stamp the face, modify the die slightly, and stamp the insulation.
You can also order steel rule by the foot and and prebent angles so you are only paying for the steel, and you make the die board yourself. Punch outs (bolt holes, panels etc) are also 'standard sizes' to also lessen the cost. Lots of people use a router or a thin bladed saw for DIY cutting of low volume parts.
