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Topics - nottingham82

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1
Other Software / Lightburn
« on: January 14, 2018, 09:47:42 AM »
There is a new software which someone is trying out on the facebook eleksmaker group. 

https://lightburnsoftware.com/

I have downloaded the full feature 30 day trial.  It does not come with firmware so you either need to know how to modify your firmware yourself or use zax's T2 firmware before going to laserburn.  It does not do rotary.  It is $30 for grbl license (which is for 2 pcs and any number of lasers) or $80 if you need to control co2 laser.

It does use home switches very well.  I definitely like the fit/finish and feel of the software.  It works well with dxf and svg files.  It can also easily adjust power and speed of specific lines.  All in all I would say it appears to be a nice software but for me cant replace t2 due to the lack of grbl firmware support and lack of rotary support. 

2
Engraving / ac electro etching
« on: December 03, 2017, 12:57:17 AM »
So if you are electro etching.  DC removes metal and AC makes it black.  Ideally you want to do both.  I used an old ac to dc converter from goodwill to do my dc etching and it works great.  Etching ac at 110 is a bit dicey.  Does anyone know a common household item that steps down 110 ac to like 30 volts ac?

3
T2 Engraving / Engraving on a slope
« on: November 10, 2017, 01:59:29 PM »
Ok so say we had a set slope and we know it goes from 1mm to 10mm and the object is 9mm long.  so every 1 mm we move we need to also move 1mm up when we are going left.  When the laser comes back to the right in needs to move down 1mm for each mm right.  Is this something that can be done using the cnc modes and a z axis?  I know the cnc modes will let you drop the laser say 1 mm every revolution when repeating a pattern but can it just smoothly make the laser follow a slope too?

4
Video Tutorials/Information / Laser youtube channel
« on: November 03, 2017, 06:30:12 PM »
Ok I started a new laser engraving channel because I dont want to mix it with my personal videos.  here are the videos links.  I will be moving all my other videos here this week and reworking them to fix the broken ones.

How to trace a signature and turn it into a vector
https://youtu.be/RLljsobPPvQ

How to use gimp to convert color photos to engrave
https://youtu.be/UBKXeSfuVyk

How to install and set up t2 laser
https://youtu.be/lyxqht64JNQ

5
Projects / Commemorative Football ticket
« on: November 02, 2017, 02:57:13 PM »
This was commissioned by a friend for a vikings fan's first game. 

Hand painted and sealed with a spray polyurethane.  took like 5 days for the dang poly to fully dry

6
Projects / Portraits
« on: October 31, 2017, 01:45:56 PM »
so I finally did some portraits on live edge basswood (from michaels big surprise there).  It took a lot of messing around in gimp  to get the photo where I wanted it.  Engraved in greyscale with the 1.6watt laser head.  speed 2500 resolution .1.  0-255

On the one with the beach scene I lost the detail in the clouds so maybe 0 wasnt the best place to start my power setting.  They still turned out amazing.  I really like how the rock pops next to the train.  In person it looks 3d.  I think that was due to the cartoon filter I applied as was suggested on one of these threads. 

I am not sure how to prevent the knots from burning though.  They kinda cause some unsightly issues.

These were both commissioned pieces.  I didnt charge much because I was fairly sure I was going to ruin them!  She actually gave me 2 pieces of wood and 2 photos and asked for 1 picture on wood.  I surprised her and didnt ruin either piece in testing so I gave her both pictures and both pieces back. 

7
Assembly Help / CNC Kitchen live stream
« on: October 28, 2017, 12:53:09 PM »
CNC Kitchen did a live stream of setting up the eleksmaker and running it this morning.  I gave him some help.  I almost forgot to have him change his windows regional settings.  Man if he had failed that could have been bad for our community I think.  We got him going and burning things which I think is good for our community.  It was an accurate build.  It showed the problems that many new people run into and we got him fixed in minutes instead of the hours many of us had to dedicate to the problems.  Check it out if you get a chance. or if you need to build a new machine.

https://youtu.be/TV6GonFDmSs

8
Projects / Yeti Mug with a 3d printed handle
« on: October 27, 2017, 09:30:45 PM »
a commissioned yeti mug for a friend on a swat team with a 3d printed AR handle.  I'll post the design on thingiverse this week.  The engraving doesnt stand out well on the green.  I am gonna try to do another one and electro engrave after to see if it helps with visibility.

burned at 50mm/min.  took forever and a day (18 hours) used the rotary set at 86mm diameter.  Used alcohol to remove the burned powder coating.

9
Projects / Wine Glasses
« on: October 07, 2017, 01:16:05 PM »
project for the day. Wish me luck.

10
Laser Accessories / 3d printable laser parts and mods
« on: October 02, 2017, 11:10:44 AM »
here is a running list of good 3d printable parts.

Modifications/upgrades
Wheel adjusters
https://www.thingiverse.com/thing:2482004
https://www.thingiverse.com/thing:1969880
https://www.thingiverse.com/thing:2501088
https://www.thingiverse.com/thing:2450395

belt tensioners
https://www.thingiverse.com/thing:2564431
https://www.thingiverse.com/thing:2341585
https://www.thingiverse.com/thing:1743245

Air Assist
https://www.thingiverse.com/thing:2626593 (added 11/9/2017)
https://www.thingiverse.com/thing:2545095
https://www.thingiverse.com/thing:2286194
https://www.thingiverse.com/thing:1688209

Legs and leg extenders
https://www.thingiverse.com/thing:2408210
https://www.thingiverse.com/thing:2068164
https://www.thingiverse.com/thing:2554089

Cable management
https://www.thingiverse.com/thing:2606956 (added 11/9/2017)
https://www.thingiverse.com/thing:832077 (added 11/9/2017)
https://www.thingiverse.com/thing:2409044
https://www.thingiverse.com/thing:2490950
https://www.thingiverse.com/thing:2155187
https://www.thingiverse.com/thing:832279
https://www.thingiverse.com/thing:2065655
https://www.thingiverse.com/thing:2411247
https://www.thingiverse.com/thing:2411551

Laser focus tools
https://www.thingiverse.com/thing:2260024
https://www.thingiverse.com/thing:1654597

Rotary Mods
https://www.thingiverse.com/thing:2626616 (added 11/9/2017)
https://www.thingiverse.com/thing:2561227
https://www.thingiverse.com/thing:2565273

Laser Diode Driver Mount
https://www.thingiverse.com/thing:2626605 (added 11/9/2017)

Raspberry Pi mount for v slot
https://www.thingiverse.com/thing:2626654 (added 11/9/2017)

Home Switch holders
https://www.thingiverse.com/thing:1016860 (added 11/9/2017)
https://www.thingiverse.com/thing:1768081 (added 11/9/2017)

Belt Tensioners
https://www.thingiverse.com/thing:2564431 (added 11/9/2017)
https://www.thingiverse.com/thing:2341585 (added 11/9/2017)

Z Axis
https://www.thingiverse.com/thing:2626145 (added 11/9/2017)
https://www.thingiverse.com/thing:2426236 (added 11/9/2017)

ACRO openbuilds leg extensions
https://www.thingiverse.com/thing:2636826 (added 11/9/2017)

Replacement Parts
Eleksmaker A5 arcylic plates
https://www.thingiverse.com/thing:2636628 (added 11/9/2017)

laser Mounts
https://www.thingiverse.com/thing:2356800 (added 11/9/2017)
https://www.thingiverse.com/thing:2592279 (added 11/9/2017)

Openbuild acrylic plates
https://www.thingiverse.com/thing:2570805 (added 11/9/2017)

Feel free to add and I'll modify the list as new stuff comes to my attention or is designed.

11
Projects / Pumpkins
« on: October 02, 2017, 09:55:36 AM »
Its that time of year again.  Who will be the first on their block to laser a pumpkin?

not my video
https://www.youtube.com/watch?v=DxyUUb-m0f8

12
Laser Accessories / Extendable legs
« on: September 24, 2017, 11:10:52 AM »
So my rotary axis does not fit under my gantry.  (I didnt think it would) I need to prop up the legs to get the clearance I need.  I was looking on thingiverse for some stackable risers so I could prop up each leg the same amount but I cant find anything that would work.  Then I thought about redesigning the print in place jack to have a laser engraver leg on it so I can just jack it up to the appropriate height.   I cant decide if that would be better or just stackable risers.

https://www.thingiverse.com/thing:925556

13
General Discussion / Prussa I3 Mk3
« on: September 23, 2017, 11:10:49 AM »
I just died and went to nerd heaven. enough said.

https://youtu.be/hwNIzQLtHnU

14
STL / X carriage tensioner for new eleksmaker with openbuild wheels
« on: August 13, 2017, 02:21:25 PM »
I ended up making my own since the existing one on thingiverse is for the old smaller wheels

https://www.thingiverse.com/thing:2482004


Old version

https://www.thingiverse.com/thing:1969880

15
Trouble Shooting / wheels not rolling smoothly
« on: August 09, 2017, 08:34:06 PM »
so I have a new a3.  I didnt notice any problems until i went to produce some burns this weekend and noticed some shadowing.  I checked everything expecting a belt issue causing backlash.  So far I am yet to figure it out.  There is a slight clunky feeling with all the wheels on the x axis.  I tried to wear them in by making it do a huge square for a whole day with the laser off.  That didnt help.  I tried each wheel and no individual wheel has any clunk to it.  I tried just the top two wheels rolled on the cross bar and nothing.  smooth as butter.  same with the bottom wheels and the bottom bar.  But when I put it all together I get the clunk.  I thought maybe it was a spacer off causing the wheels to be misaligned but when put slight pressure in any direction it still clunks. 

The last thing I can think of is something is up with the acrylic being not perfectly aligned although I doubt it.  I'm gonna try some stl's from thingiverse for the x carriage and see if that changes anything. 

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