Bridgeport Torq-Cut TC4G Retrofit

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01 Apr 2020 02:33 - 01 Apr 2020 02:36 #162325 by chopper79
Well time to begin a new retrofit...

I get to start on them in the next couple weeks by first cleaning them down and getting some new paint on the tin.

The machines are 2000 Bridgeport Torq-Cut TC2G and a 4G. Will update when the actual work begins and see what happens B)

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Last edit: 01 Apr 2020 02:36 by chopper79.
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01 Apr 2020 21:36 #162382 by andypugh
You are having too much fun!
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01 Apr 2020 22:20 #162389 by chopper79
Thanks... I believe I will be having tons of fun doing these.

Unfortunately I need to finish getting the shop together and floors painted before I begin. Moved 10hrs from my old shop and starting over, but this gives me an opportunity to do the things I wish I would have the first time.

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18 Apr 2020 21:26 - 18 Apr 2020 21:32 #164518 by chopper79
The fun has begun.

* Floors painted (Had my kids throw the paint sprinkle chips. They had a blast doing that)
* Ran power to machine (Ignore the temp wire connections. Will finish conduit once machine is on the floor)
* Tested all functions of machine
* Began disassembly and cleaning (Machine is filthy behind the scenes)
* Looking over mechanical components for issues (Found bad X axis thrust bearing. Appears rusted badly on the left side of X axis. Makes me think machine may not have been level and also do not see any drainage holes.)

Last edit: 18 Apr 2020 21:32 by chopper79.

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18 Apr 2020 21:28 #164519 by chopper79
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18 Apr 2020 21:31 - 18 Apr 2020 21:35 #164521 by chopper79
Will update more as I make progress with the cleaning, painting, and assembly. Then comes LCNC goodness...
Last edit: 18 Apr 2020 21:35 by chopper79.

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18 Apr 2020 22:08 #164529 by andypugh
It looks lovely until you undress it, then horrors emerge.

But they look like good quality parts, at least. That probbaly means they will clean up.
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18 Apr 2020 23:08 #164537 by tommylight
Nice.
The fun has began ! :)
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19 Apr 2020 01:53 - 19 Apr 2020 01:55 #164564 by chopper79
Agree with both of you.

I ordered the replacement thrust bearing already. Part number below for anybody needing it.

Thrust bearing = INA ZKLF 2575 2RS
Last edit: 19 Apr 2020 01:55 by chopper79.

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21 Apr 2020 01:40 - 21 Apr 2020 01:41 #164911 by chopper79
While I was cleaning the mill I have been contemplating what computer I should use to run this thing. I keep coming back to using my RPI4 communicating with a 7i92.

Here are my latency results over a 10 minute duration with 8 glxgears and moving files around. The 3 different views are from different arm frequencies. (800mhz, 900mhz, and 1500mhz)

Notice that the best numbers come from the 800mhz frequency.

What do y'all think about the results and why does the latency change with arm frequency? Any reason I should not run the mill from a RPI4?

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Last edit: 21 Apr 2020 01:41 by chopper79.

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