Adafruit Holiday Shipping Deadlines 2018: Attention! Place all UPS 3 Day orders by 11am ET Thursday 12/13/2018
0

In the details: behind one company’s decision to use a waste-oil furnace for metal casting #Manufacturing Monday

NewImage

Core77 wrote an interesting piece about a couple of cousins in upstate New York who are using waste vegetable oil for iron casting. They brought their innovative idea to kickstarter and reached their funding goal, allowing them to build their furnace and micro-foundry.

Based in Syracuse, New York, Borough Furnace is a small metal-casting workshop founded by cousins John Truex and Jason Connelly. The crux of their operation is the Skilletron, a custom crucible furnace now on its fifth or sixth iteration that melts scrap metal by burning waste vegetable oil.

Truex was first introduced to the world of iron casting via a small cupola furnace, a miniature version of the old coke-fired furnaces that were the staple of industrial iron production for a long time. “Now most U.S. iron production is done in large electric induction furnaces; a lot of Indian and Chinese iron production is still done with large coke-fired cupola furnaces,” Truex says. Wanting to create a small batch of cast-iron goods like skillets and bottle openers, Truex and Connelly looked at a variety of furnaces and manufacturing options to see what would make the most sense.

The duo discovered that for the same amount of money they would need to spend on tooling for overseas production they could build out their own micro-foundry and prototyping studio in the States that would also allow them to explore new cast-iron products and objects—retooling and making their own production molds for each new piece. Investigating further, they found that existing cost-effective furnaces like cupolas were restricting in their ability to only cast iron and types of bronze; also, because of the coke fuel, they were extremely dirty. But more expensive crucibles, which can melt aluminum or any other metal cleanly, proved unacceptable in the amount of pollution and fuel the process requires.

“The waste vegetable-oil furnace was the next step, and the initial design was based on a few different home-published books about waste-oil furnaces, notably those by Colin Peck and Steve Chastain,” Truex says. “Where our furnace diverged from the ‘backyard casting’ predecessors was in trying to get the iron hot enough to pour thin-walled castings [for skillets] and in making it repeatable and consistent.” Thus was born the Skilletron.

Read more.

NewImage

NewImage


Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, or even use Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for MakeCode, CircuitPython, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.

Join 9,200+ makers on Adafruit’s Discord channels and be part of the community! http://adafru.it/discord

CircuitPython – Python on Microcontrollers is here!

Have an amazing project to share? Join the SHOW-AND-TELL every Wednesday night at 7:30pm ET on Google+ Hangouts.

Join us every Wednesday night at 8pm ET for Ask an Engineer!

Follow Adafruit on Instagram for top secret new products, behinds the scenes and more https://www.instagram.com/adafruit/


Maker Business — Japanese word working and more in December’s issue of HackSpace magazine!

Wearables — Solder-less magic

Electronics — = != ==.

Biohacking — Finding Bliss with Anandamide

Python for Microcontrollers — sysfs is dead! long live libgpiod! libgpiod for linux & Python running hardware @circuitpython @micropython @ThePSF #Python @Adafruit #Adafruit

Get the only spam-free daily newsletter about wearables, running a "maker business", electronic tips and more! Subscribe at AdafruitDaily.com !



No Comments

No comments yet.

Sorry, the comment form is closed at this time.