Plasma table + 4th axis

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08 Feb 2023 04:09 #264002 by chrisfischer
It sure is easy to put off posts!

I've got the gantry pretty well designed and started 3d printing parts for a mock fit.

 

 
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08 Feb 2023 04:18 #264003 by chrisfischer
The gantry coming together with 3d prints. 



I over designed and over engineered this in the name of training - and fun. 


Stiffness is a nice thing to run fea on since its all relative so you dont have to be nervous of the results. 


After some crazy lightweighting I got to machining all these pockets. This was another part of the learning curve. I payed attention to my programs, tool usage, and machine time. Trying to think more about the job shop rather than a person having fun without regard to cost. 
 
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08 Feb 2023 04:26 #264005 by chrisfischer
These are some of the coolest looking parts I've ever machined. After all the work with lightweighting the 4 main parts of the x/z stage I was able to reduce the weight to 49 percent.

 

 

 
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08 Feb 2023 04:31 - 08 Feb 2023 04:50 #264006 by chrisfischer
I am also switching from rhino over to the dark side (fusion 360) for their far superior cam package. Very pleased with all the features I keep learning about.

 
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08 Feb 2023 04:38 #264007 by chrisfischer
I got a 7i96 a while ago and recently picked up a 7i44 to break out to stmbl drives and realized the head pin cable connection is 26 vs 50 pin. I hope I didn't mess up there. 

 
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08 Feb 2023 04:46 #264008 by chrisfischer
Got myself a view sonic 24" TD2430 touch screen. Works great with linux cnc so far with my little testing.
 



I also got a WHB04B-6     6 Axis Pendant after finding some good info on it in the forums. Hopefully its not too challenging to setup. The build quality feels great so far! 
 
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08 Feb 2023 12:34 #264033 by tommylight
Replied by tommylight on topic Plasma table + 4th axis
Parts look awesome! :)
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10 Feb 2023 20:59 #264250 by chrisfischer
Can anybody comment on the compatibility of the 7i96 and the 7i44? I looked up the pinouts for the 26 and 50 pin connectors and it doesn't look promising.
The whole point of using a 7i44 is to connect to the stmbl drives.

If it turns out to be a big hastle I will just order a 7i94 like my buddy has and be done with it. Of course that might mess with the ability to run a thcad for torch height...

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10 Feb 2023 22:34 #264258 by tommylight
Replied by tommylight on topic Plasma table + 4th axis
Mesa 7i74 is a 25 pin 8 SSerial board, same as 7i44.
That still leaves you with 7i96 and THCAD and STMBL, and probably cost less.
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Never had a 7i44, but see if there is a possibility of using a 25pin header on both sides (one side of the connector to 7i44 will have to be ground a bit as not to bend the pins on insertion) with flat ribbon cable, and if that makes it possible to use part of the 7i44, maybe 4 channels?

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11 Feb 2023 15:19 #264292 by chrisfischer
Oh yeah I see the 7i74. Looks like I just ordered the wrong one.
I will buy the 7i74 and skip any headache of trying to get the 7i44 to work.

Thanks for the help tommy!
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