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Sorry it's in portuguese http://www.dallanese.com.br/Servicos/PDF/Servicos_Diam_Barras.zip

I vote for a stirling or finger engine too, because he can sell it for a good money and it don't require a boiler or an ir source to play with. I don't know the size of parts he is used to make, but jewelry is also a nice thing, like these:

Hi Alexandre, This kind of arbor press can be very expensive here in Brazil (http://www.recomak.com.br/ecommerce_site/produto_4469_5294_PRENSA-MANUAL-DE-BANCADA-SOMAR-PINHAO-E-CREMALHEIRA-3-TON) (That's U$600!!!) Since I don't have all this money, and most of my work is for models (small parts)...

I'd love to join a team build! But since I'm in Brazil I think it'll be a little difficult to participate. :-\ If you guys are still in need of someone to join, I'm here! ;D

I think 6" would be too large. You can't go wrong with the 5" one. I have a sieg C6 lathe and a 5" four jaw independent chuck. It fits just right in the lathe and has a great range to hold parts.

You may also try ArcEuroTrade. I have bought a complete set of metric tap and dies from them, and the quality is awesome! http://www.arceurotrade.co.uk/default.aspx As for the bolts and nuts, you could try: http://www.fastener-express.com/ http://www.newstarfastenings.com/index.html...

10% Co for long lasting tooling 12% will be even better. The tooling won`t be different in sharpness, but cutting edge will last longer with increase in Co. There are some parting-off blades with 50% cobalt, but I had never tried one.

Measuring dozens of thousands, maybe? The imperial system makes my head dizzy! scratch.gif

Hi! Is there anything wrong in using Teflon (PTFE) to make the piston and internal valve in Jan Ridders internal vale vacuum engine? I know that the max temperature for teflon is around 250oC or 480oF. Does the temperature inside the engine goes above this? Thanks a lot! Tarik

That`s a 45 degree face mill: That`s a 90 degree face mill: The angle refeer to the edge angle after cutting Also, the 45 degree angle need less HP to cut, so it`s better in smaller machines.

2400RPM? Isn`t that too much even for inserts on a 36mm facemill? I have a 2 1/2" 4 TPK inserts facemill on my BF-20, and I run at 600-700RPM. I try to go easy on depth of cut: 0,5mm max and 0,1 finishing. I get great results everytime: the chips come out straw to blue colored and a mirror...

This is my first "engine" project since I bought my lathe and mill. I thought it was perfect for a gift, since it`s small enough to have on top os a desk or something. Also it`s very funny to play with! I made it with bass and aluminium to avoid rust. I also put a small brass tag with my...

Hehe I really like the "taking shape" excuse, that might work with SWMBO when buying new tools! :D The QQTP is already installed, and MAN what a difference! Now working on an arbor for the facemill... Comparison between old locking screw in original tool post and the new one: QTTP installed:

I've been following a lot of projects here in HMEM, learning new things each day. Now I finally got my machines! Here's a photo of my little shop (2x3m) before the machines and a picture showing the machines, a sieg C6 lathe and a BF20 mill. Just the right size for the free space I had! I'm...

Don't forget the 90+90 law: 90% of the job takes 90% of the time. The remaining 10% of the job takes another 90% of the time! ;D

Maryak, that's portuguese, the hardest language on Earth to learn: more exceptions than rules! Valter, seja bem vindo e arranje um tempo para ler todos os tópicos, pois são ótimos para aprender novas técnicas! (Valter, welcome and get some time to read all the topics, because they're great to...

Alexandre That RC is so big you should have a driving licence to play with it! ;D Let`s see now what a taig can do for this beauty! Great buy!

Just received my order! For made-in-china stuff, I consider it as high quality, pretty well made endmills! Next time I'll try to buy some diamond wheels and paste! Tarik

Rick, last year I bought a Mitutoyo 0-1" digital micrometer at Enco for U$120. The same mic cost U$570 here in Brazil... I know.... it's a shame!

I think two things are very important to archive a decent finish using a fly cutter: tramming the mill, and putting a radius at the tip of the cutting tool. The radius don't need to be small, as a large radius will help to eliminate tool marks in the surface. Take a loot at this...