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Brandon Satterfield
Employeur actuel : SMW3D
Lieu de résidence : Houston, TX 77095, United States
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Brandon Satterfield
modérateur

Discussion  - 
 
Related to the Z conversation.
It's not a great image but popped a few of these out the other day for testing. Running them on a build to check out wear.
M5 tapped holes in the top for mounting. Set screws retain the UHMW linear and provide adjustability for the wear.
So far no play in the connection, but much more friction than a wheel.
Can be made for 40x80 down to 20x20.
Problem is I can't release these as they contain IP from OB that is not mine to give. This relates to, I can't add them to Open source builds.

Played with the thought of trying these on the Z. If they work may talk to Mark about letting them go into the world via files. Still more testing required.

Getting back to leaning on a way system. For guys that are wondering what I mean by way system, look at most industrial machines, this is the method the carriages are retained.
Could set up a simple system with Teflon guides.

I like this write up:
http://www.moglice.com/articles/straight_talk/straighttalk.html

Issue again- none of this is off the shelf.
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Just ask if you want more info on any (; no secrets here
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Brandon Satterfield

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Bearing recess ready, threads good.
Now 3 more to go and pillow block machining and I'll drive Peter's design.

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+Brandon Satterfield can't wait to see! 
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Brandon Satterfield

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Really kind of funny..
Prusa i3 plates, funny the code CamBam ran..

Cut on the R7.

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+James Rivera yes sir. Al we can throw larger chunks. A single flute prevents build up. You can go 2 flute but need to make your slot wide to give chips somewhere to go.
Yes cut dry most the time on the routers. Mill is flooded. There is a mist system on this one. Using
http://www.smw3d.com/mist-system/
And a 60w air pump. I can greatly increase DOC per pass, but as stated I don't like running a secondary finishing pass, so turn it on and walk away.
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Brandon Satterfield

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Looking at something I'm playing with. Curious what you guys think about all the dual extruder set ups and if you actually use both often. 
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Single extruder! Two is a pain.
79 %
Use my dual extruder all the time!
21 %
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Brandon Satterfield

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It's amazing, when you spend so much time starring at an ER-11, an ER-20 looks like a MONSTER! 
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Gigidy :D
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Brandon Satterfield

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The kid was helping dad by sweeping. Looks like he just spent 1300 bones, that fell from my 4' work bench when he hit the air hose and kept pushing.
Think we will call it a day. 
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Photo du profil de Gabriel AguilarPhoto du profil de Eric LienPhoto du profil de Brandon SatterfieldPhoto du profil de Alex Lee
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+Brandon Satterfield I have a feeling they know exactly what they're doing. Glad it not broken.
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Brandon Satterfield
modérateur

Discussion  - 
 
As I convert the build to SolidWorks (I cant work in sketchup, been way too many years) I am starting to marvel at the BOM. Most of my builds tend to not be overly complicated, but are not manufacturing friendly or cost conscience.
Im doing a ground up approach, the Y ball screws were the first item I hit. Typically I am never in love with having a coupler in the action side of a drive.. but when I added pillow blocks, looked at resources and price increase... Peter's original solution makes more sense. It also keeps people from being locked into machined or hard to find parts.

+Peter van der Walt I think I am going learn a thing or two from you through this build sir. Wanted to thank you for the education up front.

Z axis. I am attracted to a machined sandwhich plate design with ways. Also looking at a 12mm rod and ball scew set up for uniformity... noted above though, this wouldn't help out the rest of the group. I can certainly make the files and provide all the information but it's not economical and nothing could be purchased off a shelf. We may end up sticking with the 250 C-beam, all other solutions I have come up with require machining..

Thoughts?
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Photo du profil de Peter van der WaltPhoto du profil de Brandon SatterfieldPhoto du profil de Bryan BarnesPhoto du profil de Beau H
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+Brandon Satterfield​ can you share the solidworks files as you get them converted. I would like to work on them in Onshape for my build. 
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Brandon Satterfield

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+Alex Krause +Peter van der Walt
Got time to do the coupler ends today! 
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+Jim Fancher this ones not very far from you sir! :-)
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Looking at something I'm playing with. Curious what you guys think about all the dual extruder set ups and if you actually use both often. 
 ·  Traduire
177 votes  -  visibilité des votes : mode public
Single extruder! Two is a pain.
79 %
Use my dual extruder all the time!
21 %
16 commentaires sur le post initial
1
Ajoutez un commentaire...
 
Looking at something I'm playing with. Curious what you guys think about all the dual extruder set ups and if you actually use both often. 
 ·  Traduire
177 votes  -  visibilité des votes : mode public
Single extruder! Two is a pain.
79 %
Use my dual extruder all the time!
21 %
3
1
Photo du profil de Aria C BramantaPhoto du profil de Sandra DermisekPhoto du profil de Brandon SatterfieldPhoto du profil de Brook Drumm
16 commentaires
 
When I say "lag" I don't mean in the controller. Since it does one color at a time it's all the same for the controller.

I'm saying the development of software to make dual printing easier is less critical since it's less than 20% of total customers. I'd bet it's way less than that for normal consumers... Maybe less than 5% or less. Using disk printing on host software isn't very friendly and designing a model for two colors is challenging. You have to split the two colors into separate files then combine them in the host software. And the file formats change. Then there is the issue of drooling hotends, affecting retraction and if it drools, then when it advances to print, the plastic volume is less due to loss of plastic... This makes starting a new color hard and it takes a second for the plastic to push through after the print head is already moving. So it's challenging. There are some clever solutions, like an ooze shell that prints around the object, accepting these limitations and after removing the shell, the interior print looks better... But it's non-intuitive. Since the requirements are higher and the rules change, it takes time to learn the shortcomings and overcome them

Brook
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Brandon Satterfield

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Thought for the day, CNC Plasma cutter. I have been thinking about the torch height control. Doing a little research I want to hack this. I can do as the pros do and read the amperage from the torch, nice method. No interpolation required for movement. Problem with this is stepping down and making a signal that can be read to an arduino. Gets messy with the bit resolution. 
Second thought is a prox. sensor. I like this method as the input can be converted easily to a single value with decent resolution. 

My problem with both is my lack of knowledge on how to auto add this to a job in chilipeppr, modifying constantly in real time and get the Tinyg to react correctly. OR, as in the first method constantly overriding the Z command. A two point read on a straight line is a simple linear interpolation. On a curve though this presents an issue without a higher degree of math, and making the coding and program itself very cumbersome. Noting that there will not be time for the head to move to a new location, measure, then move back to the cut and move to this direction. 
Again this is all just from my simple perspective.
Thoughts?
+John Lauer +Peter van der Walt +Ben Delarre +Riley Porter +Alden Hart 
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I'm thinking along the route you guys are about the secondary control and system. Thank you for verifying the research that real time input wouldn't be a cake walk.

I think amperage reading is the way to go. The proxy sensor would be easy but I would probably spend a min... Or three, building a band pass that wouldn't be effected by the giant signal standing next to it. Thought about a physical ball type roller on a pot touching the surface, this has its issues as well but is also simple for secondary z control.

I'll get back to the drawing board. 
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Brandon Satterfield

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Thought I would get a little more play time in before the weekend was up.

The plasma and complete control are on the same outlet. No noise noted, more experimentation needed.

Whole project about 8 hours.

Work still left, add THC and create a final rev clamp.

Pretty happy with it.

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Photo du profil de Eric LienPhoto du profil de Alex LeePhoto du profil de Brandon SatterfieldPhoto du profil de Joe Spanier
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Wow that looks awesome.
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Houston, TX 77095, United States
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www.smw3d.com
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Hobbies: SMW3D, Creating, Building and Sharing.
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Youngest - a baby, young one - AP, older - English major, oldest - BSME. Homework for the young one is a breeze! :)
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Thermal transfer, dynamic and static load applications, mechanic
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