MS3D SLS oem 3D Printer

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Re: MS3D SLS oem 3D Printer

Postby Jeremy » Sun Oct 09, 2016 6:09 am

Nice score. I'm guessing they were from the U.S. based on those shipping costs. What vacuum pump are you going to use in conjunction with your purge controller? Interested to see how this comes along.
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Re: MS3D SLS oem 3D Printer

Postby mecanicu » Wed Oct 12, 2016 1:21 pm

Jeremy wrote:What vacuum pump are you going to use in conjunction with your purge controller? Interested to see how this comes along.

I don't know yet if i will use a vacuum pump. Because this purge system has a high flow and a low flow mode. I was thinking of using the high flow mode till i lower the oxygen and humidity level's and then switch to low flow mode, if this idea works i will maintain a positive pressure in the chamber. For beak-up i have a 2 stage vacuum pump.
I'm thinking of buying a second hand nitrogen generator.
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Re: MS3D SLS oem 3D Printer

Postby mecanicu » Fri Nov 04, 2016 10:13 pm

New updata
I manage to buy more items for this projects; a NGK oxygen analyzer with Zirconia sensor and a high purity nitrogen generator.
I'm trying to up-data my last version of the project with the new items but it's under construction, when i have something done i will post.
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Re: MS3D SLS oem 3D Printer

Postby mecanicu » Fri Feb 24, 2017 1:35 pm

Project Updata
I bought new items, a two stage pneumatic valve for high vacuum, pneumatic gas valves for nitrogen circuit and a mass flow controller 20SLM N2, this last one will replace the terra universal dual purge system (this purge system is limited to 40SCCM, I think this is way to low)
I almost bought a ZnSe Window Lens ~70mm diameter. I said almost, because my "budget" is gone... :(
Now i'm biding for a IFM Relative Pressure Sensor -1...10 Bar, hope to get it. This Sensor has a switching output and 4-20mA/0-10V output + IO-Link for pc interface, zero and span adjustable for every output.
Attachments
Mass Flow Controller SEC-7350 1.jpg
Mass Flow Controller SEC-7350 1.jpg (182.53 KiB) Viewed 263 times
Pneumatic Gas Valve 1.jpg
Pneumatic Gas Valve 1.jpg (195.05 KiB) Viewed 263 times
Pneumatic Two Stage Vacuum Valve 1.jpg
Pneumatic Two Stage Vacuum Valve 1.jpg (222.69 KiB) Viewed 263 times
mecanicu
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Re: MS3D SLS oem 3D Printer

Postby VDX » Fri Feb 24, 2017 10:06 pm

... good luck!

Viktor
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Re: MS3D SLS oem 3D Printer

Postby mecanicu » Tue Feb 28, 2017 10:55 pm

VDX wrote:... good luck!

Viktor

Tank's. It wood be nice if i had some companion here. No activity on the forum lately :(

I manage to get the pressure sensor as well :mrgreen:
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Re: MS3D SLS oem 3D Printer

Postby VDX » Wed Mar 01, 2017 10:53 pm

... I'm actually busy with an "additive wire welding" setup and developing/building all the needed bits'n'bytes -- but this is a comercial funded project under NDA's, so can't blog the development :roll:

... and yes, not this much action here :?

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Re: MS3D SLS oem 3D Printer

Postby VDX » Fri Mar 10, 2017 8:24 am

... did recently some tests with an XY-galvo-scanner on different surfaces (black tile or iron sheet):

https://vimeo.com/207439809

https://vimeo.com/207440970

https://vimeo.com/207474893


... and here an older test with the "bare" laser - https://vimeo.com/195822668

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Re: MS3D SLS oem 3D Printer

Postby Jeremy » Tue Mar 14, 2017 8:04 am

Haha I see you're developing quite a list of components. How far off are we from seeing some construction?
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Re: MS3D SLS oem 3D Printer

Postby VDX » Tue Mar 14, 2017 10:20 am

... if meant for me -- I have quite a number of "long-term" DIY projects ... some of them since some +20 years ;)

Others are comercially motivated, so not blogged (or only with single bits) :roll:

The galvoscanner for marking or testing is actually "open", so some more posts/videos to come ... other much more interesting development in 3D-fabbing is "closed", so maybe some infos/blogs end of the year or next year :?

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