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Buildlog Title: Steve's 2x4 Laser Build

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Builder: spk64
Member Since: 2015-01-14

Monday, March 9th 2015 - 12:21 PM

I have not mounted it yet but placed it on the mount and it looked to be ok. My mounts and machine is all new designs no 2x is being used. I do not have the dimensions written down but the models provided from this thread is what I design around. http://www.lightobject.info/viewtopic.p ... els#p11548

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reader comment Comment from: Techbuilder on Monday, March 9th 2015 - 7:33 AM
spk64 wrote:Some quick shots of the Lightobjects Pro Mirror Mount and Head.
IMG_1483.JPG
IMG_1484.JPG

IMG_1485.JPG
IMG_1486.JPG

IMG_1487.JPG
IMG_14881.jpg



Have you mounted these yet? I've heard from some that these don't play well with the standard build log 2x mounts but I'm guessing you don't have that issue
since you designed your own mount.

Do you have the dimensions for the head? the light object site has no information on the actual outside dimensions.

Sunday, February 1st 2015 - 9:30 PM

3 more groups of brackets finished this afternoon. 4-5 more groups to wrap them all up.
Then finish out the back side of all the individual parts.
image.jpg

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Sunday, February 1st 2015 - 2:57 AM

Today decided to go ahead and machine some aluminum mounts. Was going to 3d print them for testing but decided to just go ahead and cut aluminum.
Also recieved some belts and pulleys.
image.jpg


1st and second batches machined from one side.
image.jpg

Attachements...
image.jpg
image.jpg

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Friday, January 30th 2015 - 5:44 PM

Trying to make a final decision on the CO2 tube. Pretty much decided to stick with a Reci and deciding between a Z\W2 or a Z\W4.
$4-500 difference jumping up to the 100-120W tube. Not sure if it is worth the extra.

Anyone have thoughts on going for the extra power or sources to review for costing.

Below are some cost comparisons from a few places. The cost below include a power supply and shipping.

http://www.aliexpress.com/store/product ... 76316.html
Reci W2 $855 (80-90W)
Reci W4 $1372 (100-120W)

Lightobjects
Reci Z2 $1075 (80-90W)
Reci Z4 $1575 (100-120W)

https://www.sinjoelaser.com/store/index ... duct_id=89
Reci Z4 $1257

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Thursday, January 29th 2015 - 10:40 PM

Thanks for the info on the Drives. I finally decided to just go ahead and get the Geckos.
For just a little more I have 48 volt drives versus the 36 volt. Looked at their 45 volt models but at that point we are in the same price range as the G251X.
I did order the 382 oz 2.8mH motors from ATI these are real close to my CNC motors so the performance should match up well with the 48vdc PSU.

Now need to make a decision on which CO2 tube to get.
I really want to be in the 80-100w range but not sure if it is worth spending the extra for a Reci tube.

Last night I finished test fitting the frame together and have all the holes drilled for the end fasteners. Now to tear it down. Re-assemble with t nuts where needed and square everything up.


Steve

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reader comment Comment from: Techbuilder on Thursday, January 29th 2015 - 5:15 AM
I use these, absolutely no noise and very much plug and play for the most part.
I know a few users use these as well. That's how I got the idea to use them.

http://www.automationtechnologiesinc.co ... s-included

Wednesday, January 28th 2015 - 2:49 AM

I have been researching stepper drives and the only drives that are given a thumbs up are the Gecko drives. I used Gecko on my CNC router and it was truly plug and play. I was up and running in no time and have not had any problems.
Looking for the same experience on this machine.

Anyone have any good luck with other drives?

Also to qualify the statement. Looking at driving the gantry pretty quick and with a 24"x48" reach there will be some weight on the gantry.

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reader comment Comment from: orcinus on Tuesday, January 27th 2015 - 11:06 PM
I think it's a regression in Chrome, as i could've sworn it used to work fine before (i upload a lot of snapshots from my iPhone and iPad too).

Anyhoo, thanks and sorry for going offtopic :)

Tuesday, January 27th 2015 - 1:43 AM

No, you are not insane. I just checked and all rotated in weird ways on my chrome desktop.
I think it was from uploading direct from ipad and not desktop. Apple pics do not follow the rules for keeping pics oriented correctly in the different Windows programs.
Now I need to try and fix them :cry: :cry: :cry:


ok, Should be good now.

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reader comment Comment from: orcinus on Monday, January 26th 2015 - 5:09 PM
Am i going insane or is chrome?

A day or so ago, when i was looking at your thread from my phone, everything was fine.
Now some of the pics are upside down and some are sideways.

Did desktop Chrome lose the ability to interpret the JPG orientation tags all of a sudden?

Monday, January 26th 2015 - 1:15 AM

Frame roughed together. Ran out of end fasteners so will have to continue later in the week.
So far everything is going together as planned. Assembly is a bit of a rubiks cube as everything has to be assembled in the correct order.
IMG_1493.JPG

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Sunday, January 25th 2015 - 3:46 AM

All the extrusions have had the ends tapped.
Took about 30 minutes for 250 holes.
IMG_1489.JPG

IMG_1490.JPG

And my economy end fasteners. Flanged button head cap screws.
IMG_1491.JPG


I did get started drilling some access holes and test fitting the frame together. No pics yet but will have time tomorrow to continue the build.

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Saturday, January 24th 2015 - 2:52 PM

Some quick shots of the Lightobjects Pro Mirror Mount and Head.
IMG_1483.JPG
IMG_1484.JPG

IMG_1485.JPG
IMG_1486.JPG

IMG_1487.JPG
IMG_14881.jpg

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Saturday, January 24th 2015 - 2:47 PM

sshwarts wrote:Just curious, what was the source of lower cost block and rails?

Scott


http://www.aliexpress.com/store/group/L ... 01122.html

I am planning to do a full review of these over on CNCzone.

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reader comment Comment from: sshwarts on Saturday, January 24th 2015 - 2:22 PM
Just curious, what was the source of lower cost block and rails?

Scott

Friday, January 23rd 2015 - 11:46 PM

I have stated to begin this project. Not sure how long it may take but it is a start.
Ordered the linear rails and cars found a new supplier that I am testing out. My original design had Hiwin EG15 rails and Cars but the new source was about 1/3 the cost. Ordered a set and if they work great otherwise I will spend the money on the Hiwins.
All my extrusions were cut to length. Since we stock and go through a lot of this material I purchased from my place of employment. Saved 30-40% doing this.
In all use 4 lengths of 1020 and 5 lengths 1010.
Plenty of stock.
IMG_2606.JPG

After 30 Minutes had all the 1020 cut.
IMG_2599.JPG


Fast work with the right equipment. Cuts like butter and all cuts nice and square.
IMG_2607.JPG

30-40 minutes the next day and all the extrusions are cut.
IMG_2605.JPG

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Next up is hauling it home and to my shop to begin tappping the ends of all the extrusions and adding the holes for bolt access. The assembly will be with end fasteners for a clean look when assembled.
Also received the mirror mounts and the cut head to verify the design before cutting the mounts.

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Friday, January 16th 2015 - 1:09 AM

I am considering building a laser cutter\engraver to go along with my other equipment. Already built a couple of 3d printers and a CNC router which is working great.
Was looking at the laser for thinner materials more intricate details and engraving. I have a mechanical design close to being complete.
Many of the design aspects were borrowed from several designs by some great builders before me.
Specs:
24" x 48" working area
80 Watt Laser
LO Optics
DSP Controller
Motorized Z
Pass Through Capability
Here is what the full assembly may look like.
FullAssembly.JPG

Skins removed
NoSkins.JPG

Cut Box and Other Panels removed
NoPanels.JPG

CloseUp showing the gantry
NoPanelsClose.JPG

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