Here's what I've done over the last few days:
Laser mirrors fron a harddrive platter. I had my doubts but I thought, what do I have to loose? And I can report: it works!
I masking tapped both sides of a newly discected hard drisk, clamped between two sheets of Melemine chipboard and cut with a bimetal holesaw...carefully.
Here is a picture of the mirror on the plate from the top of the flying head.
I decided I need a visual referance that all the bits and pieces were switched on, pump, compressor, laser power supply and extraction(when ever I get around to that one!)
I spotted this switched splitter with neons in Tesco for €11.50 so I decided to go for it. It will save alot of wiring and switches.
For the cooling of the laser cutter I got a large tub from my local vet (Avondale Veteranary "A great place to get your balls cut off") I would think its at least 30 litres.
I decided to go mad and get electrical cable glands to try seal the tub all together, they are a very neat, sealed system for this kind of thing.
The pump I'm trying is a 10euro campervan water pump. It will pump at least 2.5m head. At 14lpm it should be plenty of flow to keep the 40watt laser cool. I got that pump on Ebay from the UK.
That jubalee clip, by the way is a stainless steel as it will be submerged.
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