Linear Bearings Are Best
Январь 4, 2009
ART uses high quality linear bearings on all axes of it's CNC Router and Plasma Machines. These give great accuracy as well as long service life.
http://www.advancedrobotic.com/
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HIWIN Linear Guideway Product Video
HIWIN is a combination of HI-tech WINner. This means, "You are a HI-tech WINner with us."
HIWIN comes from "HI-tech WINner" and means, "With us, you are a hi-tech winner." As you incorporate our product within your applications, you will realize the uncompromising value and leading technological advancements available through Hiwin. Beside this, we also take pride in our industry's acknowledgments of our innovative technology. The principle of providing our customers with greater value through technological advancements and enhanced global competition is the foundation that supports Hiwin's plan to be the leader in hi-tech industry.
HIWIN has become a well-known brand with patents registered in over 34 countries including the US, Japan, the European Union, and more.
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Homemade PCB milling machine
For those asking for the plans, BOM, etc, I merged all files in a 7-Zip file so you can download it.
It's included:
— the complete 3D model (in Solidworks format, main file is CNC.SLDASM)
— the 2D drawings used to machine the parts (if it doesn't have a 2D drawing, it's a laser cut part, so there's only the 2D DXF file used by the laser mahines)
— some pictures from the assembly
— a powerpoint presentation about the project
Note that all material is in portuguese. It shouldn't be a big deal, since you can check all data and dimensions on the 3d model.
It was a graduation project, so if you have interest send a message and I'll send you the paper explaining the design choices, calculations, etc. But it's in portuguese as well.
A few notes that I remenber:
— A couple of hole were modeled with the wrong diameter, but I don't remember which ones anymore.
— I wouldn't use countersink bolts if I had to rebuild this machine. It gave me a lot of trouble when aligning the linear slides.
If you have any further questions feel free to ask.
Link for download:
http://www.3dmacro.net/public/CNC_Milling_Machine_-_3D_Model_&_plans.7z
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![Mechanical Principles (1930) by Ralph Steiner [4min selection]](https://i.ytimg.com/vi/mkQ2pXkYjRM/hqdefault.jpg)
Mechanical Principles (1930) by Ralph Steiner [4min selection]
This is my favorite 4min selection of a larger work by Ralph Steiner. The original was silent, and the DVD had it set to classical music. I have swapped the audio for an electronica/industrial track by 3 Liquid Hz — Little Boy.
Favorite movements:
@ 1:16 — counter mechanism
@ 2:55 — normal gears, but cut to engage on diagonals
@ 3:37 — SQUARE GEARS!
@ 3:41 — variable speed transfer
@ 3:46 — rotary to linear action with a 4 tooth cog
Several users have commented that these gears may be on display at The Museum of Science and Industry in Chicago, IL.
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3D printed recirculating carriage
First prototype for a 3D printed linear motion carriage with recirculating Delrin balls for use with OpenBeam or Misumi 1515.
Example source for Delrin balls: http://amazon.com/gp/product/B000FMULMA
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Induction Forge - Show and tell
A look at a 15 KW induction forge supplied by Off-Center Products of Washington State
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SKF Compact inverted roller screws for powerful actuation
The SKF compact inverted roller screw represents a unique design variant of the planetary roller screw. Learn more about our products at http://bit.ly/Kgv76g
Related videos:
http://www.youtube.com/watch?v=kl6qNn9-nkk
http://www.youtube.com/watch?v=alEv0crNAnk
The SKF compact inverted roller screw works on the same principle as a planetary roller screw, with the roller's rotation being synchronized with the threaded shaft through toothed rings. This design provides powerful electromechanical actuation, when compactness and high load capability are prerequisites. Both nut and shaft can be driven by an electric motor, with the non-rotating component acting as the rod of an actuator. The application loads acting on the translating rod transit through the planetary rollers to the rotating shaft or nut. Toothed rings and guides ensure the rolling motion and an even circumferential position of the rollers, for perfect load distribution and to eliminate any parasitic friction between rollers.
Since the start in 1907, SKF has been making everything from lubrication systems to mechatronics. The SKF products & solutions can be found in almost anything that rolls or moves, from space shuttles to skateboards. In short, SKF is changing the world through the power of knowledge and engineering.
Visit us at http://www.skf.com.
Don't forget to subscribe to our YouTube channel or like us on Facebook http://www.facebook.com/SKFGroup for daily updates.
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AMAZING IDEA | for metal work | with bearing
#NUT #BOLT #BECREATIVE
Welcome to our channel
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