The Street > The Bike Shop
3D printed titanium parts
alaskun:
I can't wait to see how ugly the first printed asian flatland frames are...
--- Quote ---http://www.rntbike.com/
http://reviews.mtbr.com/interbike-road-not-taken-flex-fit-108-flat-pedal-with-float/rnt-foil-tape
http://www.pinkbike.com/news/interbike-2014-tech-fest-special-nerd-worshippers-edition.html
Road Not Taken is a South Korea based start-up company that manufactures simple products that are beautifully crafted and engineered. Their titanium hardtail fame is pieced together using printed lugs, brazed to ultra-strong 6-4 alloy tubes, using a material that has only been available to the public for three years. Amorphous titanium - http://spinoff.nasa.gov/Spinoff2004/ch_7.html - has no grain structure, as most people understand it, and thus becomes almost as viscous as water when it liquefies. RNT wraps a thin ribbon of amorphous titanium around the tubes at each junction and then heats the frame in a vacuum oven until the ribbon melts and bonds the tubes to the lugs. The result is a one-piece titanium structure. I read about amorphous metal a few years ago when The Wall Street Journal announced that Apple had purchased the rights to use the patented process from Liquid Metal - but until Interbike, I had never touched the stuff.
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alaskun:
these...
make me think of printing mini primo tenderizers or snafu pedals...
http://ipmsuk.proboards.com/thread/8038
--- Quote ---Post by joe on Apr 15, 2011
heres some updates...
the pedals were done as a 3d print. i drew them in vector 3d and then stuck them in with some other stuff we were doing at work so didnt cost me a penny :)
heres a pic of ther two halves bofore i moulded them, the tape is where you cut to on the mould to create a split line. each half in the pic is one left and one right. then i cast it twice and stuck two together. dunno if thats easy to understand but for example, the one on the right in the first pic is the right peddle and another one exactly the same will fit onto it to create the whole right peddle.
heres two the same after i cast them to make a whole pedal.
the pedal was grief to work out how to make cos i couldnt really do it on the mill as there are so many weird undercuts and stuff. so even a 3d print had to be done as only a half cos of the way it works, it needs to have a bottom where i gets printed from which wouldnt have worked to do it as a whole pedal.
some more pics
heres some pics with colour on them. I used the steel pins that I had from the chain and the smaller pins in the middle are plastic. First I painted them silver then sprayed them with lacquer with orange ink in it and they looked pretty good but I couldnt get the gold to look even cos where more paint was the colour was much darker. I was trying to achieve the plasti-coated look they have. Anyway, I wasn't happy so I stripped them in thinners and mixed up some gold paint and used some of the same orange ink with it then clear lacquered them afterwards.
Heres the result, pretty good i think.
Read more: http://ipmsuk.proboards.com/thread/8038#ixzz3LyBkxk8W
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alaskun:
I can't work out how they ano'd it
http://pencerw.com/feed?tag=topper
http://www.bikerumor.com/2014/12/11/3d-printed-titanium-seatmast-topper-coming-from-designer-spencer-wright/
http://pencerw.com/topper
alaskun:
Weld3D working on development of low cost 3D metal printing
http://www.3ders.org/articles/20141030-weld3d-working-on-development-of-low-cost-3d-metal-printing.html
http://www.weld3d.com/
http://www.3ders.org/articles/20141211-michigan-tech-developed-cheap-and-easy-post-printing-techniques-for-metal-objects.html
--- Quote ---Oct. 30, 2014
Metal printing has developed further in the past 10 years, and more and more investors and analyst have shown interests in metal 3D printing. 3D printing for direct metal part manufacturing could lead to cost saving and better performing components. Unfortunately, the price of commercial metal 3D printers are so expensive and it remained out of reach of most people.
One startup, Huntsville, Alabama based Weld3D wants to make 3D metal printing affordable. Weld3D, a team of aerospace engineers started development of their idea and process about a year ago. "Weld3D all started out with a couple curious aerospace engineers working in the garage on the nights and weekends." Paul from Weld3D told us.
"We were frustrated with the lack of parts and process development that people were showing and knew we had more information to offer on our builds. That is when we seriously started working on Weld3D and getting some of our information out there."
The original intent was just to see if we could achieve low cost metal printing." Paul said. "We follow the industry trends and are aware of all the high end metal printing work being completed; we are also aware of the researchers and startups showing some of their developments."
The starup has been working on development of a process that produces basic and complex parts from metal (Model to Metal), and have printed dozen of parts in metal.
"It still has some minor tweaks, but overall we have been able to make complex parts and geometries in an evening (for most builds)." Paul told us. "We recently completed some mechanical property testing of our process and will release those results soon. We are using an arc welder, but have notebooks full of ideas for other related processes."
They plan to use capital raised from the initial products to fund some of their more advanced ideas that all involved low cost 3D printing with metal.
"Initially, we are looking to get our process out to market to adapt to existing personal CNC machines. This will reduce the barriers and cost to entry." Paul said. "We continue our development process with different alloys ...so our customers will have access to reliable parameters using the Weld3D process. We are also currently in talks with some suppliers about building custom machines for a complete plug and play system."
The team is stil working on the details so there is no price data available yet. But the company assures us that they will be of great value to hobbyist and commercial customers.
Weld3D is currently looking for commercial and university partnerships as well as software partners. Over the coming months they will be releasing more data of the process, photos, and products so people can make their own metal 3D prints. Stay tuned, we'll keep you updated as soon as we learn more about it.
http://www.youtube.com/watch?v=wOarxQRKW9o
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from 2013...
alaskun:
CeramicSpeed debuts £660 derailleur pulleys at NAHBS - 3D-printed titanium with novel hollow cross-section
--- Quote ---Just when you thought boutique bicycle components couldn’t get any pricier, Danish company CeramicSpeed has gone and utterly shattered the glass ceiling with a pair of outrageously expensive titanium derailleur pulleys developed in collaboration with the Danish Technological Institute. The price tag is a whopping US$1,000 (£660) – but hey, at least you get two.
CeramicSpeed builds the pulleys using a 3D printer, which allows for a hollow structure that otherwise wouldn’t be possible with conventional manufacturing techniques. In addition to supposedly being lighter than CeramicSpeed’s standard aluminium or titanium pulleys – saving a whopping 2g or so – the company also claimed a three-fold increase in durability...
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how long until something like this...
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