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Any tips for getting bearings and lock collars on 8mm acme lead screws?

September 13, 2015, 2:13 am
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Bought an actuator kit from makerstore in australia and I'm having trouble getting the bearings and lock collars on 8mm acme lead screws.

Any tips?

Thanks,
Alex.
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Steel Frame CNC Router

September 13, 2015, 3:09 am
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H-Bot CoreXY Cube with Fixed Build Plate-

September 13, 2015, 6:52 am
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TomH published a new build:

H-Bot CoreXY Cube with Fixed Build Plate-
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Fixed vs Z Moving Build plate

September 13, 2015, 11:53 am
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Thoughts on whats better
a fixed Build Plate where the XY move up and down.
or a Fixed (in Z) XY where the build plate moves up and down Z
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40mm x 40mm end plate

September 13, 2015, 1:55 pm
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I am looking for a 3d printable file of the 40mm x 40mm v-slot extrusion. I would like to have a plate with the 4 holes aligned so i could use the self tapping screws to secure it to the end of the extrusion. I am also needing a center hole so i can put a 3/8 inch all thread through it. The goal here is to have a plate i can mount and have feet that i can adjust the levelness of the build.

Does this makes since? let me know and i could send a link to the MK part number i am looking at.
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4x4 CNC

September 13, 2015, 4:03 pm
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I am interested in making a CNC using Openbuild Extrusion. that can handle 48"x48" easily with 6" max Z travel. be able to cut Alum. as solid as Cbot.

is the C Extrusion the strongest currently available from openbuilds?
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Grbl hard limits and homing

September 13, 2015, 4:50 pm
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I have been using my Ox (Cebu) for a while now with minimal problems. Today for some reason, I started having noise issues that kept setting off my limit switches. Most annoying, and no source for .47uf capacitors anywhere locally. I only have limit switches set up for homing, with soft limits defined for the "far" end.

So, to get a job done today, I disabled hard limits ($21). That works for the time being.

My question is - can I still use a homing cycle with hard limits disabled?...

Grbl hard limits and homing
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Ultimo

September 13, 2015, 5:17 pm
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Brian Slee published a new build:

Read more about this build...
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Strong OX

September 13, 2015, 5:37 pm
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C-Bot

September 13, 2015, 7:44 pm
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Carl Feniak published a new build:

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Charging Ox CNC Machine

September 13, 2015, 8:30 pm
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http://www.strongehealthcare.com/brain-peak/

September 13, 2015, 9:24 pm
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Improvement in brain’s reactionIt is better that you pick a Brain Peak that won't step upon anybody's toes. Brain Peak is an approach used to provide Brain Peak.

You need to go back and check the comments on that previous story. That is a concise summary of Brain Peak. I don't care how many bells and whistles your Brain Peak has. I have kept up with standard Brain Peak concepts. This is how and why to use Brain Peak. Brain Peak would be right for you if there was a way to create more Brain...

http://www.strongehealthcare.com/brain-peak/
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V-Slot Belt Driven Linear Actuator Build

September 13, 2015, 11:28 pm
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kram242 published a new build:

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Finally finished with the new build in SW and was wondering...

September 14, 2015, 4:06 am
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bCNC and the Raspberry Pi

September 14, 2015, 7:12 am
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A few months ago, I spent a week or two testing out different GUIs that will run on the Raspberry Pi (RPi). These included: Universal Gcode Sender (UGS), Chilipeppr, GrblWeb, and bCNC.

I tested these, because I wanted to get my nice laptop out of the dust and metal chips. Since the RPi is $30-$35, has DVI out/USB/Ethernet, and is fanless, this seemed like perfect solution. If it breaks, no big deal. Just swap it out.

After testing, I found that only two of the four GUIs worked under...

bCNC and the Raspberry Pi
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Ask Grbl CNC questions here.

September 14, 2015, 8:27 am
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Hello Open Builds Community!

I'm the lead developer of the Grbl CNC project, which is the firmware that runs most of the Arduino/AVR-based CNC machines out there. Mark Carew has recently brought me on board, and I'll be available to answer any Grbl-related questions or help troubleshoot problems here on this forum.

Please feel free to start a new thread. Thanks!
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V Rail 3D printer

September 14, 2015, 2:45 pm
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Josh B published a new build:

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Persnickety Plate Maker

September 14, 2015, 6:56 pm
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motopreserve published a new build:

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Persnickety Plate Maker
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FARM OX (Four Axis Rotary Machine)

September 14, 2015, 7:55 pm
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My Shapeoko Router build

September 14, 2015, 8:38 pm
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