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I wanted to say someone has contacted me about this job.

It's easy to wonder if anyone replies to these threads and if worth posting, since discussions are disabled here. It is :apathy:

I think it's methanol that makes you blind rather than ethanol. Please let me know if you find a source for ethanol I might like to try it for the occasional ali cutting (seems like you can get...

Do you mean enclosing just the router spindle itself, or the whole CNC machine? The cutter head itself makes a lot of noise when going through material.

I made an enclosure for my whole machine....

Rail Types


There are basically three type – Round Rail, Supported Round Rail and Profile Rail.


Round rail with closed bearings has pretty tight tolerance (little bearing play) but since the...

Hello All,

What follows is an attempt at a ‘sticky’ guide for beginners wanting to design a moving gantry CNC router / mill. I don’t consider myself an expert but I have been reading this forum...

That makes me feel better, because I do earn from my CNC work, but certainly not a large amount (yet!). $100k would cover me well.

I'll give it a shot I think!

I used Quick-Teck PCB, they seem to be the best price I could find and the quality is great.

One of mine here

http://i608.photobucket.com/albums/tt169/tenson_uk/SuperBal-PCB.jpg

I've tried a 6mm 2 flute in Aluminium and Acrylic now. It's average for acrylic, but brilliant for aluminium. :) It's far better in alu than the 1 flute solid carbide cutter. At least for me, in my...

Another interesting paper here, showing equations to determine most effective means of layer damping with different geometries.

http://www.dtic.mil/dtic/tr/fulltext/u2/a088200.pdf

Hi,

It doesn't do too bad in soft materials actually, but 3mm tooling in alu it didn't like. I assumed this was because the RPM was too low, but maybe it is just the CNC-3040 the spindle is...

Having done a bit of tapping on aluminium recently I found a spiral point tap infinitely better than any of the standard 3 hand-taps. You can pop it in a cordless drill and with a drop of oil down...

I got the following from Arc Euro Trade and it fitted my CNC3040 letting me use 1/4 shank router bits.

ER11 Collet Nut - 050-110-11530 - £6.95
ER11 Collet 1/4" - 050-110-11240 - £6.00
...

Oh, they only listed its value as £100 for VAT ;)

I got a CNC3040 from eBay member zlx108108108

It came in about 2 weeks, but it was not packed well enough and a couple of bits were damaged.

The seller has actually been helpful and has good...