HOME  |  NEWS  |  BLOGS  |  MESSAGES  |  FEATURES  |  VIDEOS  |  WEBINARS  |  INDUSTRIES  |  FOCUS ON FUNDAMENTALS
  |  REGISTER  |  LOGIN  |  HELP
Blogs
Engineering Materials

Slideshow: Recycled Composites, Plastics Go Commercial

NO RATINGS
View Comments: Newest First|Oldest First|Threaded View
Page 1/2  >  >>
Ann R. Thryft
User Rank
Blogger
Re: Reclaiming carbon fibers
Ann R. Thryft   2/14/2014 1:05:33 PM
NO RATINGS
Thanks for the back and forth discussion. The whole idea of robotic separation only occurred to me during our exchange. Robots already do sorting in material handling facilities, but that's usually easily separated lightweight stuff, not tearing out fibers from a toothbrush. Since the forces and movements would be so different, I wonder if anyone's already working on this?

Elizabeth M
User Rank
Blogger
Re: Reclaiming carbon fibers
Elizabeth M   2/13/2014 9:58:34 AM
NO RATINGS
Right, I completely see your point, Ann. And yes, it seems like assembly rather than disassembly, as the case may be, are the focus of industrial robots, so technology that is up to this task at the moment as you said does not exist.

Ann R. Thryft
User Rank
Blogger
Re: Reclaiming carbon fibers
Ann R. Thryft   2/13/2014 9:51:01 AM
NO RATINGS
No one's actually separating that stuff by hand--but imagining how hard it would be gives an idea of the combination of strength and dexterity required of a robot. Also, pulling things apart involves quite different movements and forces than putting things together, and industrial robots have been constructed to do the latter, not the former (among other jobs). So I'm pretty sure there aren't any that could do this task now.



Elizabeth M
User Rank
Blogger
Re: Reclaiming carbon fibers
Elizabeth M   2/13/2014 8:48:29 AM
NO RATINGS
Ah, well, that is a cool idea, Ann...I am sure we will see it in the future if there is enough of a need or push for it. And you're right, it seems quite an arduous task and, frankly, a waste of manpower to separate the bristles by hand at this point, although a true environmentalists might point out that it was worth it in terms of recycling. But I'm not sure you'd find anyone up to the task!

Tarafa
User Rank
Iron
Re: Reclaiming carbon fibers
Tarafa   2/13/2014 2:53:20 AM
NO RATINGS
It's fantaztic view any help can I do for you Anna I like that so much thank your job

Ann R. Thryft
User Rank
Blogger
Re: Reclaiming carbon fibers
Ann R. Thryft   2/12/2014 10:57:03 AM
NO RATINGS
Yes, that was the idea, Liz. The robots would, of course, have to be capable of both fine dexterity and strength beyond what's possible now AFAIK--all one has to do is imagine separating those bristles by hand.

Elizabeth M
User Rank
Blogger
Re: Reclaiming carbon fibers
Elizabeth M   2/12/2014 8:58:16 AM
NO RATINGS
That's an interesting idea, Ann...you mean more sophisticated sorting robots so the plastic of the toothbrush could be recycled even if the bristles could not? Interesting idea and with the way innovation is going, not beyond the realm of possibility.

Trenth
User Rank
Silver
Re: Reclaiming plastics
Trenth   2/12/2014 12:52:10 AM
NO RATINGS
People seem to find it hard to believe it can provide all the long haul transportation fuels, chemical feedstock, and backup fuels for solar and wind.  I think they don't realize that everything we harvest eventually get thrown out, not even worth recycling, but it still has most of it;cs chemical energy.  

Humans have always had trouble cleaning up their messes.

"Waste not want not" is the solution to our energy "storage" problem.   

The cost should not be a concern. It's cheaper to make energy and fuel than it is to dump it, pollute the environment, and need fossils to fill the gap. There is no "away" to throw things anymore.

I also see a failure to agree on the fuels we want from our wastes. Ethanol and town gas are not nearly as valuable in a Solar and wind renewable world as oil, diesel and gasoline.  

Ann R. Thryft
User Rank
Blogger
Re: Reclaiming carbon fibers
Ann R. Thryft   2/11/2014 10:32:31 AM
NO RATINGS
I was surprised about the toothbrush, too. As long as we need any brush with a handle and bristles, there's a need for two different materials, whether those are plastic, or wood (handle) plus a fibrous material (bristles). It's in the nature of the design because of the job to be done. So instead of trying to change the design, I wonder if the sorting problem couldn't be solved with more sophisticated robots.

Elizabeth M
User Rank
Blogger
Re: Reclaiming carbon fibers
Elizabeth M   2/11/2014 6:13:09 AM
NO RATINGS
I never even thought about toothbrush waste but that is yet another example of a use of plastic where they could be another, better alternative. I can't think of one at the moment, though! Definitely an area ripe for innovation.

Page 1/2  >  >>
Partner Zone
More Blogs from Engineering Materials
Artificially created metamaterials are already appearing in niche applications like electronics, communications, and defense, says a new report from Lux Research. How quickly they become mainstream depends on cost-effective manufacturing methods, which will include additive manufacturing.
SpaceX has 3D printed and successfully hot-fired a SuperDraco engine chamber made of Inconel, a high-performance superalloy, using direct metal laser sintering (DMLS). The company's first 3D-printed rocket engine part, a main oxidizer valve body for the Falcon 9 rocket, launched in January and is now qualified on all Falcon 9 flights.
A new thermoplastic composite for high-speed, high-volume injection molding has tensile strength that's close to, and sometimes better than, either lay-up composites or metals.
Lawrence Livermore National Laboratory and MIT have 3D-printed a new class of metamaterials that are both exceptionally light and have exceptional strength and stiffness. The new metamaterials maintain a nearly constant stiffness per unit of mass density, over three orders of magnitude.
Smart composites that let the material's structural health be monitored automatically and continuously are getting closer to reality. R&D partners in an EU-sponsored project have demonstrated what they say is the first complete, miniaturized, fiber-optic sensor system entirely embedded inside a fiber-reinforced composite.
Design News Webinar Series
7/23/2014 11:00 a.m. California / 2:00 p.m. New York
7/17/2014 11:00 a.m. California / 2:00 p.m. New York
6/25/2014 11:00 a.m. California / 2:00 p.m. New York
5/13/2014 10:00 a.m. California / 1:00 p.m. New York / 6:00 p.m. London
Quick Poll
The Continuing Education Center offers engineers an entirely new way to get the education they need to formulate next-generation solutions.
Aug 18 - 22, Embedded Software Development With Python & the Raspberry Pi
SEMESTERS: 1  |  2  |  3  |  4  |  5  |  6


Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.
Next Class: September 30 - October 2
Sponsored by Altera
Learn More   |   Login   |   Archived Classes
Twitter Feed
Design News Twitter Feed
Like Us on Facebook

Sponsored Content

Technology Marketplace

Copyright © 2014 UBM Canon, A UBM company, All rights reserved. Privacy Policy | Terms of Service