Buildlog.net Open Source Laser

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Re: Buildlog.net Open Source Laser

Postby bdring » Wed Jul 21, 2010 11:27 am

Thank you...fixed

The link was pointing to the wrong folder. The link on the home page was correct and still working. That is the one I tend to use, so I probably would not have caught the problem myself.
Bart
"If you didn't build it, you will never own it."
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Mach3 Remote

Postby bdring » Fri Jul 23, 2010 2:10 am

I started playing with a remote control for my laser when used in Mach3 mode. I wanted to try programming my new phone. Hopefully it will prove useful. I don't get much time to play with things like this so it will be several weeks before it is done.
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adr_mach3.JPG
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BOM Improvements

Postby bdring » Sat Jul 24, 2010 12:05 am

I have added kit references to the BOM. The row in the BOM is green if the part is in a kit.

...as always click to enlarge
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bom_kits.JPG
Bart
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Big Flood

Postby bdring » Tue Jul 27, 2010 2:42 pm

We had a huge storm over the weekend. We got about 9 inches of rain in a few hours. That was more than the basement (laser workshop) walls could handle. I got about 1/2" of water everywhere. No expensive stuff was ruined, but the rug had to be torn out and an MDF bookshelf and entertainment center.

Everything is up in the air (literally) until I get this sorted out. My bigger, woodworking/metalworking shop in the garage is unaffected.
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Re: Buildlog.net Open Source Laser

Postby Tweakie » Tue Jul 27, 2010 4:12 pm

Sorry to hear that Bart.
No consolation but I suppose it could have been worse and damaged your CNC stuff.

Tweakie.
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Re: Buildlog.net Open Source Laser

Postby lasersafe1 » Wed Jul 28, 2010 1:08 pm

It's that damn Mayan calendar! This is just the beginning.
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Input Power Wiring

Postby bdring » Tue Aug 03, 2010 12:19 am

Robert asked about my terminal block parts. These are all Altech parts that I bought at Allied Electronics. Below are all Allied part numbers

black (line), white (neutral), and green (ground) blocks...6 of each (I did not wire to them all)
502-0797, 502-0795, 502-0801

502-0797.jpg
502-0797.jpg (6 KiB) Viewed 34229 times


I used jumpers to connect each color together
502-3222 (manually cut down to 6)

502-3222.jpg
502-3222.jpg (7.08 KiB) Viewed 34184 times


I used separators between the colors. 502-3210

502-3210.jpg
502-3210.jpg (4.04 KiB) Viewed 34148 times


1 end stop at each end 502-0211
502-0211.jpg
502-0211.jpg (9.19 KiB) Viewed 34165 times

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power_wiring.JPG
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Re: Buildlog.net Open Source Laser

Postby rEd86 » Sun Aug 15, 2010 3:49 pm

Why did you choose a larger stepper motor for one axis? Which axis is it for?

--Ed
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Re: Buildlog.net Open Source Laser

Postby bdring » Sun Aug 15, 2010 3:59 pm

Good question. you are not the first to ask.

I started the project with a bunch of parts left over from a wood router that was replaced by a bigger one. This included 3 Nema 23 motors. My first iteration of the project used these motors. As I refined the project, wanted lighter and smaller motors for the XY Mechanism so they were replaced with NEMA 17s. I did not have weight or size issues with the Z so I left it at 23.

I should look at changing that one also. Maybe I could put both footprints on the motor mount. I will look into it. Maybe I could use the same belt pitch as the XY too.
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Nema 17 On Z Lift

Postby bdring » Sun Aug 15, 2010 5:36 pm

I added a second pattern to the Z lift motor plate for a NEMA 17 motor. This will get all the motors to be the same size. On this version I think I will use MXL belt and pulleys. I geared it down 2:1 so the motor should have plenty of power. I'll order the parts and give it a try. I will probably time the install with the MakerBot upgrades. Note: The belt does not look aligned right because it is still on the old Nema 23 parts which are hidden.
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17_lift.JPG
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