Blog Posts

quarta-feira, 10 de maio de 2017

Impressão 3D ao Metro, Non-stop 3D! E impressão 3d Híbrida, Um Torno económico, e um Teclado Faça-você-mesmo

Imprimir em 3D, sem suportes, e ao Metro?
Sim, ao Metro!
Ponha-se a Impressão a 45 graus, e faça-se um dos eixos, uma correia sem-fim.
Parece fácil de imaginar... Mas ninguém o fez!
Até agora:

Blackbelt 3D: Printing Ideas That Are Larger Than Life
Tyler Koslow
On Friday, another 3D printer will join the lengthy list of Kickstarter campaigns involving additive manufacturing. While some projects fail and others become forgotten, the Blackbelt 3D printer might just end up “changing paradigms” of FDM 3D printing technology.
Marketed as an industrial production machine, this printer is capable of creating extremely lengthy parts without the need for supports. These prints are easily repeatable thanks to a specially designed conveyor belt system.
Blackbelt 3D: Printing Ideas That Are Larger Than Life
The most unique concept of the Blackbelt is the high-precision conveyor belt that replaces the typical Z-axis. While the X-Y actuation system remains the same in theory, it has a slant of 45-degree. This modifiable angle will allow the user to print support-free overhangs.
The build volume allows for prints of up to 340mm x 340mm in the x and y direction. For prints that measure out to 1300mm or longer, Blackbelt recommends utilizing their roller table to provide additional print support.
Once the print process is complete, the machine will be ready to start producing the next object almost right away. The conveyor belt allows prints to roll right off of the print bed and into a container, eliminating the hassle of removing objects. 

Embeber o que queiram numa Impressão 3D, é agora possível graças a este novo método, THREAD, e isto, sem sequer aumentar o tempo de Impressão!

THREAD: The Hybrid 3D Printing Process That Does It AllTyler Koslow 
According to AMRC development engineer Mack Cocking, the inventor of this technique, the process is a “potential game-changer.”
Although THREAD is still patent-pending, Cocking is sharing a few details about the hybrid system.
For starters, the process offers full automation. It’s able to embed stands of materials like copper, fibre optic, steel, and also nitinol into the printing process. Additionally, the technique allows seamless connectivity through X, Y and Z axis directions.
This means that single or multiple strands of material can be embedded without impacting the original build time of the component.
The THREAD system will be ideal for applications with an intensive focus on weight and size of components. It will also prove valuable for systems that require integrated data transfer and protected sealed connective tracks.
Thus far, the AMRC team is testing the process on machines used for 3D printing polymer. However, they claim that their technique will be functional with different additive manufacturing platforms.

Este Site, Fine Woodworking, está sempre cheio de coisas boas, tal como este Torno bacano, feito com a Sucata que qualquer Engenhocas acumula, e 2 ou 3 artigos comprados na Ebay!
E o melhor, é que a ideia serve para muitas outras Máquinas, que queiram fazer à vossa própria maneira, e mais nada....

Homemade Lathe on a Budget
Matt Berger  
Retired engineer builds a bowl-turning lathe from scrap parts and a headstock purchased on eBay
When George Archer decided to upgrade his Shopsmith lathe to something that could handle larger projects, he didn’t browse the tool catalogs. Instead, he built his own.
“It does great,” said Archer, a retired engineer from Savannah, Georgia, who cobbled together a heavy-duty bowl turning lathe from $100 of purchased and found parts. “So far, so good.”
What inspired Archer to build his own lathe rather than buying a commercial one? “Probably the $2,000 difference in cost,” he said. Another likely contributor is his engineering prowess. The hobby woodworker spent many years engineering parts for air-conditioning systems. 

Ora aqui está mais uma ideia impecável da Rs-Online, não têem de fazer uns "monos" de teclados, podem-nos fazer como deve de ser, Teclas mesmo a sério...

Building a Custom Keyboard
Andrew Back 
Assembling a high quality custom keyboard with Cherry MX switches
What could be more joyful than a keyboard featuring keys with a satisfying travel and characteristic sound as they bottom-out, topped off with solid, colourful keycaps of your own choosing.
In this post we take a quick look at the custom and collectible keyboard scene, before moving on to the sourcing of parts and assembly of a custom “ortholinear” keyboard with Cherry MX switches. 

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