OpenBuilds C-Beam Double Slider
by buffcleb, published
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This uses an OpenBuilds C-beam and can be used both motorized or not.
I have this up on OpenBuilds website as well which has a nice BOM as part of the project : http://www.openbuilds.com/builds/openbuilds-c-beam-double-slider.3462/
I'm using a Nema17 motor (http://amzn.to/1skFnRO) with a 5:1 planetary Gearbox.
I added an parts to support geared steppers. The 8mm shaft is shorter then a standard nema17 so I had to offset the motor mount. With a 27:1 geared nema 17 motor (http://amzn.to/1Xpih7N) I can do vertical movements. The parts are :
Motor Plate for geared stepper.stl
herringbone gears for geared stepper.stl
Geared Nema17 Adapter.stl
The End Brackets use 2 608 bearings each (for a total of 4) (http://amzn.to/1TaW1z5) to support a 8mm shaft. I drilled a 3mm hole through the shaft for the herringbone gear & the gt2 pulley.
I'll be updating this in the coming days with a BOM...
Here's a sample video I did with the unit :
and here's a brief overview :
and lastly a lengthy build video
In the video you'll see my pan & tilt head used : http://www.thingiverse.com/thing:1396552
I'm using a miniEngine to control the motion but any controller can be used.
C-Beam : http://openbuildspartstore.com/c-beam-linear-rail/
C-Beam Double Wide Gantry Plate : http://openbuildspartstore.com/c-beam-gantry-plate-double-wide/
Mini V-Wheels : http://openbuildspartstore.com/delrin-mini-v-wheel-kit/
- I'm using 8 wheels on the double wide gantry for the most stability... you might get away with 4 or 6...
8 Low Profile Screws M5 - 25mm : http://openbuildspartstore.com/low-profile-screws-m5/
1 V-Slot Gantry Set - universal : http://openbuildspartstore.com/v-slot-gantry-set/
4 608 bearings - http://amzn.to/1TaW1z5)
8mm shaft - I'm using 5/16 steel shaft from home depot
I drilled a 3mm hole through the shaft for the herringbone gear & the gt2 pulley.
gt2 belt - http://amzn.to/1X8UGIC
8 m5 bolts to secure the end plates to the c-beam - I used 25mm ones from http://openbuildspartstore.com/low-profile-screws-m5/
4 m3 45mm bolts for the belt tensioner - http://amzn.to/1R1A1Pq
4 m3 nuts - http://amzn.to/24R5OfD
4 m5 bolts to secure belt tensioner to the gantry plate - I think i'm using 8mm - http://openbuildspartstore.com/low-profile-screws-m5/
I redesigned the belt tensioner and am not using this one, http://www.thingiverse.com/thing:1564560. It keeps the belt more inline keeping more teeth in the bite of the pulley while putting less force on all the parts...
If using the motor option :
1 Nema17 motor - http://amzn.to/1skFnRO) with a 5:1 planetary Gearbox.
- if you use the gearbox check http://www.thingiverse.com/thing:8460 for parts. I modified some of the parts to us bearings I had, http://www.thingiverse.com/thing:1562415
2 m5 bolts to secure the motor mount to the end bracket : http://amzn.to/1TCC6TN
2 m5 nutes - http://amzn.to/1TcePZr
I switch controllers to simplify the wiring to a Dynamic Perception NMX. Here's a demo video showing both horizontal & inclined use : https://www.youtube.com/watch?v=K0ec4FYKiSw
I weighed the slider with the pan & tilt head in at just under 10pounds. My camera weighs about 3 pounds... so this setup is capable of lifting 13 pounds fully vertical...
FolgerTech 2020 i3
printed all parts with PET-G...
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OpenBuilds C-Beam Double Slider by buffcleb is licensed under the Creative Commons - Attribution - Non-Commercial license.
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