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and why have a chassis out of those materials?Those materials will fall apart quickly.
My advice is DO NOT USE LASERS TO CUT STUFF!!!
cooldog, read a bunch of manuals on laser safety before you do this. Get all the proper safety equipment.Then, go for it!Another thought . . . get multiple lasers and point it at the same spot so you can cut through thicker material.Oh and be careful what you cut, many materials release poisonous fumes when melted. Research each material you plan to cut. Do it in a ventilated area.And you will want to computerize it. Pushing buttons won't be so easy. The $50 robot controller can do this, no problem.
how do you control cutting depth with a laser?
One thing that concerns me is what software do you use to control them? would it be best to create my own.
Ive decided to have a go at a small cnc machine myself for working pcb's on...upto now its cost me:Dremel tool £17.99 or bout $36drawer slides £6.00 - $12steppers £21 - $42I bought a dremel type tool today, and some metal drawer slides to work as the rails (I think these should be fine). Ive already got the stepper motors, now I just need some long screw bolts but i couldnt find any.One thing that concerns me is what software do you use to control them? would it be best to create my own. The actual stepper control will be done through a PIC and some kind of home built stepper driver. My computer can communicate with the pic, I just need to know the best way to transform a cad image into something that i can send to the pic for moving the tool head.My plans are to make a simple frame, and make the circuits etc.. on hobby boards. Then use the finished result to make a proper board for it (so it creates itself a better pcb) and also cut itself better hardware parts so once its built its probably gonna be scratched up and kinda ghetto style, but over time its gonna upgrade its own parts
thats pretty cheap for a homemade cutter!