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1x PSU Fabracobbled together. Still needs some hot glue on the caps (I've misplaced the glue gun - d'oh) - Testing will need to wait until...

You should be aware that Sodium Hypochlorite is somewhat alkaline in solution and hence will attack aluminium a bit. Should be OK on plastics and...

I'm afraid Ethylene Glycol is out due the risk of poisoning the dogs if I get a leak and they lick it up. I'm tempted but my wife would never forgive...

Any good quality Ethylene Glycol based anti-freeze has corrosion inhibitors which will work well in a system which includes Iron, Steel, Aluminium,...

Well it used to be green! That's only the fluorescein dye anyway. I Think the last time I actually bought anti-freeze in a shop Mrs Thatcher was...

Good grief man, you can't use the green stuff, Gotta be blue or red G13 at least. Failing that, how about VW Beetle antifreeze :toot::toot: ...

Here's an alternative manufacturer's product being demonstrated... https://www.youtube.com/watch?v=9zBl9yLacWs

Reminds me of Time Team..."'ere Tony, come and 'ave a look at this!":excitement: Now I'm even more confused, but it shows there's more to this...

Here matey. have a look at this - https://en.wikipedia.org/wiki/Antifreeze

In a nut shell for taps- Spiral Point - Only good for through holes, as they push the swarf forward through the hole. Spiral Flute - good for blind...

Thanks Chaz, can you send me pics of them or the spec, mine has a 9.5v tacho. Sent from my SM-N960F using Tapatalk

Not sure if Jazz uses the forum anymore. Ive got 3 x Bridgeport DC motors for sale - I think smaller than the main spindle motor, let me know if...

This might be of interest http://www.europatool.co.uk/threading/application-taps Regards Mike

Thanks cropwell, I went water cooled partly because of the high ambient temperatures here (Exmouth, WA) and also the noise. My previous spindle was...

Hi, do you still have ny of these d.c motos? Many thanks, Sent from my SM-N960F using Tapatalk

Thanks Clive, good idea about having a bit of spare power for when it may be needed.

Glycol based Antifreeze is normally loaded with corrosion inhibitors, so I would reckon it to be OK. I don't have that problem with my Kress :teapot:

I used a 5A unit on all my builds without issue.

I used antifreeze. Didnt run my system for long but that will work.

I bought one of these drag engravers a while back. Haven't used it much as yet but the tests I did looked good whereas the 22 degree PCB engraving...

According to the manual it says power consumption is 5W so about 0.2A I would use a 5A PS in case you want to power other things in the control...

Yes, three series is very gummy try 6 series or even 7 series

+1 for this - I did make a similar device and it was as good if not better than my attempts with a V-bit. Part of my problem was, I think, a random...

Well so far I just have v tip engraving bits. I am trying to find the correct feeds and speeds that doesn't break the tip.

Ah, okay! So you've made 3d printers then? interesting! I've just rebuilt a CNC machine of my own and thinking about building a 3D printer...