Cherry picked Planet Reprap - A RepRap blog aggregator

September 25, 2017

Dust's Reprap

Core XY update 3.3

Still not quite 200 in Z, but I am determined

So I tried a bunch of sizes for my Z rod clamps and settled on Moving the Z smooth rods 5mm In on the Y and 15mm Down on the Z

This enabled the Build plate to descend the entire length of the rod (there is a plastic bump around a screw head that sticks out level to the end of the t-slot, so it not all wasted space between the bearing holder and the side)

Next I mounted the power supply under the machine using
Now on thingiverse
They seem to do the job.

Next is the re attach the Z Stepper and lead screw
I use the same mounting bracket for the stepper but turn it upside down. So the stepper is completely below the t-slot

There is now about 2 mm space between the Power supply and the tslot.
The power supply also has to be positioned between the two heated bed mounts. 





by Dust (noreply@blogger.com) at September 25, 2017 01:57 AM

September 24, 2017

La Grotte Du Barbu

Fabrication d’un étui en cuir custom pour mon super couteau – Ep200

Et oui maintenant que j’ai un couteau qui coupe pas… il va falloir lui faire un étui… en cuir :D

Le kit de chez Bangood est dispo ici: https://goo.gl/6kLq3y
il existe aussi un kit un peu moins complet chez Amazon ici: http://amzn.to/2ymMe0b
les espèce de fourchettes magique bien pratique http://amzn.to/2y1BBUr
un kit pour bouton pression http://amzn.to/2hq7S0h
le couteau de psychopathe spécial cuir http://amzn.to/2ymOFzD
un brunissoir pour arranger les côtés du cuir http://amzn.to/2xsjNP7

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Abonnez vous à la chaîne et faites passer la barbitude autour de vous

Inspirez vous, faites des trucs et que la barbitude soit avec vous

Flattr this!

by babozor at September 24, 2017 06:41 PM

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by star133 at September 24, 2017 02:12 PM

MakerBlock

Organizing

Everyone utilizes their own method of organization, notetaking, and motivation.  Some use “Getting Things Done,” others go with “Inbox Zero,” or the “43 folders,” there’s Jerry Seinfeld’s “Don’t Break the Chain,” and a new one called the “Bullet Journal.”

I’ve tried some of these methods, combinations of these methods, and here’s what I’ve come up with for my own life.

  1. E-Mail
    1. Reply quickly.
      1. As Tony Soprano once said, “more important than the particular decision is that it happen in a timely fashion.”  My number one rule of email management is simply this – reply immediately to anything that deserves a reply.  Any timely response, even a non-optimal one, is better than a polished late response.
      2. If you can’t get a quick response out because some action is required…
    2. Act or Delegate, even to yourself.  If there’s something to be done, do it already.  From now on, you live in a world of “to done’s” not “to do’s.”  If you can’t do it, then figure out what needs to happen first and work on that.  If someone else needs to do it, ask them to take care of it and let you know when they’re done.  If you need to do something else, copy yourself on the email and ask yourself to do it.  Your own email will arrive in your inbox and you’ll need to…
    3. Start a draft.  If the matter really requires more information than you have at your fingertips or isn’t urgent, start a draft.
    4. Turn drafts into emails.  Every day turn drafts into emails and send them out. Since my job has become roughly 80-90% email, this is how I manage it all.
    5. Ignore unimportant emails.  Most of your emails are unimportant.  Ignore them, mark read, move on.
  2. Web Surfing
    1. Tabs.  Tabs are the enemy.  They will rob you of your productivity.  If you open a tab, read it, enjoy it, and close it or decide it is information you want to retain.  If it is truly important and something you’ll need to refer to all the time, bookmark it.  But, remember…
    2. Bookmarks.  Bookmarks are the enemy.  These are kept to an absolute minimum and only for sites you really visit all the time.  Otherwise, that information you wanted to keep will be lost in difficult to search bookmarks forever.
    3. Everything else.  If you find a web page, tweet, or some other information that you want to keep or reference in the future, share it or make a note.
  3. Sharing
    1. If you share information you help a friend and preserve the information in your sent folder, twitter stream, etc.  Otherwise, make a note.  The thing with notes is…
  4. Notes
    1. There are only two kinds of notes in the world.  Information that is of temporary use and information that is of permanent use.
    2. Temporary notes.  Write these on whatever you have lying around.  Discard when done.
    3. Permanent notes.  A permanent note really comes down to how you want to treat information.  I like information either in an electronic searchable format or I want it written down so I can reflect on it or refer to it later.  A permanent electronic note goes into Google Keep or an email to myself, in outine format, listing things in no particular order, with a few keywords in the subject line and body of the email near the link.  When I need to find it again, I just search in Google Keep or for emails from me and specific keywords.  A permanent written note goes in my…
  5. Notebook
    1. The problem with the Bullet Journal method is that it requires setup, discipline, and maintenance.  If you screw those up, the notebook and all the lovely page numbers and organization systems become a burden, a hassle or, worse, useless.1
    2. There are so many great things about keeping a notebook.  It’s a quick and easy way to record interesting and useful information.  While my handwriting is horrible, but I’m pretty decent at drawing and sketching.  A notebook for me is something where I can brainstorm, start drafting an idea I can return to later, or where I can record information for posterity.  I tend to work out ideas on scraps of paper before recording that data in a more permanent format by committing it to my notebook.  Sometimes this means copying information by hand or, my personal favorite, literally cutting and pasting information into the notebook.  The worst thing is probably that it isn’t particularly searchable.
    3. Title and Date.  Every entry in the notebook starts on a fresh page with the date at the top right corner and a helpful title at the top of the page.  The date does more than provide you with context.
    4. Cross Referencing.  The dates at the top of the page function as your page numbers.  When you need to refer to a page in the past, rather than referencing a page number, just reference the date of the prior page.  When you write a cross reference down to a prior page, note the future date on the prior page.
    5. DIY Flags.  I placed several pieces of duct tape inside the front cover of the notebook.  On top of that, I put several small 1/2″ x 1″ pieces of duct tape.  These can be peeled off easily and folded over a page for a sturdy bookmark.  More on this later.
Paper Notebooking
  1. Organizing
  1. Well, this is my theory.  I don’t actually know since I haven’t actually tried the Bullet Journal method…

by MakerBlock at September 24, 2017 09:42 AM

September 23, 2017

Thingiverse - Newest Things

Parametric phone support for bike with GOPRO mount


Français ci dessous
This phone support was created for a Huawei G7 but it is parametrized in openscad to fit any phone. The objective was to have a 100% safe support for the phone because my phone fall down and broke with the support I bought in a shop. The second idea was to have a support compatible with a GOPRO so I can choose to install my phone or myGOPRO.

Ce support de téléphone a été créé pour un Huawei G7 mais il est paramétré avec Openscad et peut être adapté a tous les téléphones. Après avoir cassé mon téléphone avec un support du commerce, l'objectif primaire était d'avoir un support sécurisé pour le téléphone. L'objectif secondaire était d'avoir une fixation compatible GOPRO afin de pouvoir choisir d'adapter le téléphone ou la GOPRO.

by pinatl at September 23, 2017 11:20 PM

3d a


it looks like a A from 4 sides

by austinharms at September 23, 2017 11:20 PM

Thingiverse - Newest Derivatives

Full graphics (A6 screen) mountable Case


A simple Remix for the full graphic Display with a 1cm rim and 3mm mountingholes.

by Le_Domme at September 23, 2017 09:43 PM

1.75 PFTE nozzle


printed the original that was in the spanner hands files and realized it was way bigger than the brass connector that came with the 1.75mm kit I bought off Amazon so I made my own in Solid-works using the thread wizard and 1/4-28 thread. It ended up cutting a bit of its own threads though so I suspect the part I was sent is actually M6 (5.85mm when measured with my calipers. If you don't have solid works to adjust to your size fitting I can change it for you or getting the next size down drill bit and letting the brass cut the thread will work too.

by dbcoop at September 23, 2017 09:05 PM

September 22, 2017

Buildlog.Net Blog

Bus Servo Draw Bot

I wanted to complete a start to finish project with the LX-16A bus servos to do a complete review of their viability for the type of mechatronics projects I do. The low price of the LewanSoul bus servos make them a competitive option over digital servos. I chose to do a remake of the Line-Us clone drawing machine because I would not need to spend too much design time and it would be a good 1:1 comparison with digital servos. Since the bus servos are quite a bit larger, I decided to scale up the machine by 1.5x.

Made My Own Brackets.

I started by buying one servo and it came with brackets. When I went to get more, I noticed the price was lower. I did not realize I was getting these without brackets. These are the brackets you get with the more complete kit.

I requested some 3D models from LewanSoul. They were only able to provide 2D DXF files, but they were easy to convert in Fusion 360. This allowed me to 3D print some brackets. It actually worked out quite well because I was able to thicken up the brackets and integrate some captive square nuts.

They mounted easily to the servos and were plenty strong for this project.

Servo Arms

I made two arms and one short cam for the Z. They were about 4mm thick and had a little pocket that slid over the standard round actuator. They screwed on with the screws that come with the servos. Before mounting anything I turned on the servos and moved them to the center of the range. This put the arms at a known angle.

Support Bracket and Base

The support bracket holds all three servos and there are 2 pockets on the bottom for some shaft bushings.

The base has two shafts pressed into it.

The shafts slide into the bushings and there is a spring to hold the parts together.  The spring prevents the pieces from separating and also provides a little extra pull down force in case the shafts bind a little. The cam provides about 6mm of lift.

Final Assembly

The servos are mounted to the support bracket.

The wires are connected to the servos. They just daisy chain from one servo to the next.

The remaining links are then connected.

Testing

Here is a video of the first run.

Results

I think these are a good alternative to digital servos. They are very strong, easy to mount and accurate. Depending on the design of the controller, using a simple UART might be easier than having multiple PWM signals or extra hardware. The servo’s size might be larger than some machines need but that comes with the higher power.

 

by bdring at September 22, 2017 07:55 PM