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Anthony Webb
Attended Madison High School
Lives in Idaho Falls, ID
436 followers|331,361 views
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Anthony Webb

General discussion  - 
 
I'm hoping to get some feedback from the 3D printing buffs out there who have experience with what are the best options for nema17 steppers.

So many options in the marketplace, prices are all over the place, and I am sure quality is as well. What are your absolute favorites?

The use case is not 3D printing, but for a PNP project that I built. Today it uses the nema17's I stole from my shapeoko (Smart Automation SM42HT47-1684B) which seem to work pretty well. https://hackaday.io/project/9319-diy-pick-and-place
We're building a PNP machine. We need one, but as most startups who are bootstrapping and who have seasoned engineers up to the task, we want something that is better/faster/cheaper. We've tried some of the DIY options for PNP out there, and at the end of the day it became very apparent that if we wanted something that checked our boxes we would need to build it ourselves. Game on.
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+Jerry Rodberg I too was skeptical, and we did see missing steps with cheap bearings, but our current setup has been 100% accurate in the many boards we have placed so far.  Time will tell how reliable it is, but so far it has been very good.  We've got some IGUS drylin bearings that seem to have some slop, we're not even going to attempt this kind of a setup for those, but instead will do the 2:1 thing and maybe look at a more cantilevered design.
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Anthony Webb

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Taking the phrase "Love is a battlefield" to a whole new level.
Hakas are mostly seen nowadays in rugby matches. Before, though, they were used on the battlefield to intimidate enemies. In this video, you’ll see both the terrifying side of the Haka and it…
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Anthony Webb

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Useful Article : Most popular #node #js #framework
best node js framework, best node js framework 2016, framework node js, node.js framework, node js frameworks, node js web framework 2015 2016
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Anthony Webb

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About 12 years ago, I co-founded a startup called Basecamp: A simple project collaboration tool that helps people make p…
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Anthony Webb

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Day after Halloween so time for the "Never gets old" 2012 guide to trading candy

https://youtu.be/wGdYhmFH-DQ
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in Dentistry Excellence's profile photo
 
WHAT HAPPENS TO THOSE WHO GIVE OUT FRESH SCONES WITH HONEY BUTTER?
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Anthony Webb

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Lithium-Air Battery Breakthrough May Mean Game Over For Gasoline

http://flip.it/gjoiL
The lithium-air battery is the holy grail of energy storage only better. Now, thanks to a breakthrough made by scientists at Cambridge University, it may also be a lot closer to commercial reality than previously believed. First things first. What is a lithium air battery? A battery has three basic parts: a positive [...]
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Anthony Webb

General discussion  - 
 
I will NEVER purchase another 3D printer that does not have automatic bed leveling, that is all....
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I have no issues with manual bed leveling. Adjust 3 screws until level and I'm good for 10-15 prints before I have to take another 60 seconds to re-level. It's just too easy to even consider it a problem on my printer.
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Cambridge overcome many of the toughest problems with lithium air battery
Scientists have developed a working laboratory demonstrator of a lithium-oxygen battery which has very high energy density, is more than 90% efficient, and, to date, can be recharged more than 2000 times, showing how several of the problems holding back the...
Scientists have developed a working laboratory demonstrator of a lithium-oxygen battery which has very high energy density, is more than 90% efficient, and, to date, can be recharged more than 2000 times, showing how several ...
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Anthony Webb

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Made a few improvements to my CNC recently.  The enclosure keeps the mess inside and will offer some protection as well.  Easy to snap on/off the magnetic panels.  Cleaned up some of the wiring as well.  A little at a time, but for now I am just thrilled at what I am able to pull off with this little machine.
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+Mike Kelly I dont have any flex at all, but I was initially concerned about that.  My bed is 12 inches which leaves maybe 4 inches overhang without support, but the bed is a MIC6 milling plate so it it pretty rigid too.  Any larger though and I would probably want some more support out there on the ends.  The housing of the KR33 is steel and the bearing blocks are very well supported all around. I have milled wood, delrin, plastic, and aluminum.  In fact the aluminum mounting bracket for my spindle I milled on this same machine, works great.
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Anthony Webb

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My wife thinks I need another 3D printer like I need a hole in the head.  But seriously, any time I hear +Eric Lien and +Alex Lee saying this is the one to have I stop  what I am doing to listen.

Will the 5th printer finally be a charm?  The main thing I despise about the other 4 I have are without a doubt lack of rigidity/accuracy, the Rapide3D is more substantial, but why in the world do I have to constantly have to tinker with the extruder, the level, and for crying out loud the hotend.  All of which require an entire disassembly and re-level to deal with.

Please tell me you are taking these things into account.  I really want to love 3D printing, I have a newmatter printer coming soon as well, but I am nearly done holding my breath waiting for someone to do 3D printing right for once and for all.
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+Anthony Webb I don't have mine built yet. But the strength and design have me very optimistic about how things will work. I will keep you all posted with the progress.
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In his circles
887 people
Have him in circles
436 people
Ray Kholodovsky's profile photo
Peter Cannon's profile photo
Gaurang Electronic Industries's profile photo
Alex Agranovsky's profile photo
Marc Friend's profile photo
Sheldon Christensen's profile photo
Pamela Bryson-Weaver's profile photo
Harm-Jan Spier's profile photo
Home Helpers of Tampa's profile photo
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27 communities
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Entrepreneur, Software Engineer
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  • Entrepreneur, Software Engineer, present
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Idaho Falls, ID
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Rexburg, ID - Maceio, AL - Monterrey, NL - Spanish Fork, UT - Recife, PE
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Software engineer and technology visionary. Dabbles in photography, loves himself a good road trip here and there. Proud father and husband.
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Proud dad of 3 great boys, a new little princess, and married to a beautiful wife!
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  • Madison High School
  • University of Idaho
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