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segunda-feira, 28 de maio de 2012

Instructables, e mistura

Eis uma boa ideia, não só para Carpintaria, como Serralharia, Acrílico, Fibra de Carbono, etc...

Combo Miter Saw Station Lumber Rack

by noahw

This miter saw station does double duty as a lumber storage rack with room for long boards underneath and 4' x 8' sheet goods in the back. I looked around for a long time online for plans for something like this and all I was able to come up with was a hand drawn sketch in an old Fine Woodworking magazine. I adapted the drawing a bit to create the following Step-by-Step Instructable, adding in easier to use see-through bins for cut-offs in the front instead of solid panels, and adapting the rail-style bed pictured in the drawing for stock to be a bit simpler and deeper so it could serve as a functional work surface as well. 

http://www.instructables.com/id/Combo-Miter-Saw-Station-Lumber-Rack/

 

 

 

Eis o CNC a bom uso, uma cadeira de montar:

 
CNC Scissor Chair (Plywood)
pseaton
CNC + plywood = furniture. Search instructables and you'll come up with over 47,000 results for "CNC furniture." But for the great majority of CNC machines -- the 2-1/2 axis CNC routers that can move only in X, Y, and Z (no tilting or rotating controllers) -- a very specific condition has come to be part of almost all projects that result: the orthogonal joint. The orthogonal joint, essentially a product of the needs for tightly-fitting "notches" to fit together with friction, is a defining characteristic of furniture made this way.

This project, the "Scissor Chair," takes its design inspiration from the non-orthogonal joint cut on a machine capable of cutting only orthogonal (non-beveled) profiles. The finished chair is as purely a CNC project as I could manage: it requires exactly one sheet of standard 1/2" plywood, no extra parts, no hardware, no glue, and no other tools (except maybe a mallet to show it who's boss).





E que tal produzir Hidrogénio?
ATENÇÃO, O HIDROGÉNIO É UM GÁS PERIGOSO, nem respirar é bom, queima-vos os Pulmões, por isso, tenham muito cuidado.

Hoffman Apparatus for pure hydrogen gas


Hydrogen gas has already been used by a number of people and companies as an alternative to petrochemical fuels. The one commonly appearing in the media is the hydrogen fuel cell, whose appearance is similar to a battery (though the inner workings are very different) and produces electricity to power an electric motor.
This, however, requires a whole new car designed specifically for use with a fuel cell.
Unfortunately little known to the wider public, BMW actually has a fleet of cars – regular petrol cars only very slightly modified – running off hydrogen gas as a combustion fuel. They use exactly the same mechanism as if they were running off petrol, but it’s not petrol.






E vamos à Mistura!

Eis uma ideia dum Inventor, que todo o Engenhoca vai tentar imitar, eventualmente...
Uma Misturadora para Compostos Binários, os que há...
E os que vocês criarem!

Muáháháháhá!

Dra-gun uses a power drill to mix and apply two-part liquids


Inventor William Mace used to live aboard a small boat, where he tried his best to cast and mold custom parts. If you’ve ever worked with resins or other two-part materials, however, you’ll know just how messy and involved the process can be – the two component liquids have to be poured in a precise ratio into a mixing cup, stirred thoroughly together, poured, and then the left-over mixture, cup and stir stick have to be disposed of. Instead, Mace created the Dra-gun – a power drill-mounted system that automatically mixes the liquids in the desired ratio, and that produces virtually no waste.

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