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-   -   The New "What did you do with your Z today" (with off topic replies) XXIX (http://www.the370z.com/lounge-off-topic/126713-new-what-did-you-do-your-z-today-off-topic-replies-xxix.html)

JLarson 05-23-2018 11:16 AM

Quote:

Originally Posted by Leingod (Post 3758603)
I can do CAD models. years of light show coordination for concerts taught me that. All the other things are acronyms for things that can be learned over time.

If I can take my CCNA exam to proceed to work on level 4 OSI layers within security protocols ranging from SSL to PCT. Shouldn't be to difficult. I can even measure fiber gage strands that are as thin as hairs.

I don't doubt you have the capability. Thin as hairs though.... .002 is about the thickness of a human hair. Things get dicey when you start measuring in the .0001 range in a non-climate controlled environment. Dust, slight temperature variations - these are my nightmares.

madwi 05-23-2018 11:19 AM

Quote:

Originally Posted by JLarson (Post 3758609)
I don't doubt you have the capability. Thin as hairs though.... .002 is about the thickness of a human hair. Things get dicey when you start measuring in the .0001 range in a non-climate controlled environment. Dust, slight temperature variations - these are my nightmares.

The gorilla aka the machinist whose hands are squeezing the life out of the end of the mic trying to argue it is in tolerance... :rofl2:

madwi 05-23-2018 11:20 AM

No! Calipers are not the appropriate tool for a +/-.001 tolerance! :mad: :gtfo2:

JLarson 05-23-2018 11:20 AM

Quote:

Originally Posted by madwi (Post 3758608)
We used one for measuring a critical 100% check dimension on the pintles for the F-16 afterburner fuel rails.

Unfortunately the FARO arm isn't that precise. I wouldn't trust it for anything less than .001.

Most interesting piece I ever worked on was a titanium transmission frame beam for the S92 helicopter. It has center holes for bushings, vertical and horizontal, with a positioning requirement of .005 relative to 3 datum surfaces (1 of which was technically inside the center of the part... frigging engineers) and I had a 25 year old CMM to do it with.

madwi 05-23-2018 11:20 AM

Ahhh the good 'ol days.

Leingod 05-23-2018 11:20 AM

Quote:

Originally Posted by JLarson (Post 3758609)
I don't doubt you have the capability. Thin as hairs though.... .002 is about the thickness of a human hair. Things get dicey when you start measuring in the .0001 range in a non-climate controlled environment. Dust, slight temperature variations - these are my nightmares.

Nothing a 45x electron microscope primarily used for soldering connections on motheboards couldn't fix. It's the only way I could solder with pin point accuracy when replacing micro controllers on laptops covered in oil. But it was used to make sure nothing was on fiber pairs as well before connecting them.

Leingod 05-23-2018 11:21 AM

Now I wanna go splice a pair of fiber together to see if i've still got it....

JLarson 05-23-2018 11:21 AM

Quote:

Originally Posted by madwi (Post 3758613)
No! Calipers are not the appropriate tool for a +/-.001 tolerance! :mad: :gtfo2:

Ha! Tell me about it! The owner was just as bad! Once, he pulled out his machinists tools from the 60s... his old calipers looked like something a phrenologist would have used to measure bumps on your head! Accurate within ± .05...

madwi 05-23-2018 11:21 AM

Quote:

Originally Posted by JLarson (Post 3758615)
Unfortunately the FARO arm isn't that precise. I wouldn't trust it for anything less than .001.

Most interesting piece I ever worked on was a titanium transmission frame beam for the S92 helicopter. It has center holes for bushings, vertical and horizontal, with a positioning requirement of .005 relative to 3 datum surfaces (1 of which was technically inside the center of the part... frigging engineers) and I had a 25 year old CMM to do it with.

Hey intern! Come over here and get thing set up by noon, I have a meeting. :rofl2:

JLarson 05-23-2018 11:25 AM

Quote:

Originally Posted by madwi (Post 3758620)
Hey intern! Come over here and get thing set up by noon, I have a meeting. :rofl2:

Everything I ever experienced with ridiculously dimensioned drawings made sense once I met Tyler. Tyler is the engineer at my current facility. He's new, fresh out of college, and I can best explain him by saying he once dimensioned a pair of nested cylinders so that both had the some outside diameter.... and expected one to fit inside the other.

madwi 05-23-2018 11:27 AM

Quote:

Originally Posted by JLarson (Post 3758615)
Unfortunately the FARO arm isn't that precise. I wouldn't trust it for anything less than .001.

Most interesting piece I ever worked on was a titanium transmission frame beam for the S92 helicopter. It has center holes for bushings, vertical and horizontal, with a positioning requirement of .005 relative to 3 datum surfaces (1 of which was technically inside the center of the part... frigging engineers) and I had a 25 year old CMM to do it with.

I honestly dont know what some of the parts I made went to. I know back in '97 we were making parts for the stealth helicopter that crashed during the bin laden raid. One year I gave my mom a pen holder for her office and it was the inconell armor housing for the aviation black boxes CPU.

JLarson 05-23-2018 11:30 AM

Quote:

Originally Posted by madwi (Post 3758622)
I honestly dont know what some of the parts I made went to. I know back in '97 we were making parts for the stealth helicopter that crashed during the bin laden raid. One year I gave my mom a pen holder for her office and it was the inconell armor housing for the aviation black boxes CPU.

We did work for a number of ALRE systems (aircraft launch and recovery), lot of critical safety and critical application items. Most humorous was a steam catapult hook (for the deck of an aircraft carrier) which seriously was drawn to look like a giant d1ck. Some engineer somewhere had a good laugh over that.

"Hey Fred, I've got $20 that says I can put my **** on a drawing, have it mass produced, and use it to catch aircraft!"
"You're on!"

madwi 05-23-2018 11:36 AM

Thats funny!

StevenSlice 05-23-2018 11:39 AM

Lol ill just stick to SQA because i have no idea what you guys are talking about

madwi 05-23-2018 11:40 AM

Our shop was in a rough neighborhood and shootings happened fairly often in the area. We had made a new prototype gun that was going to be used for trajectory computations that the big guns on the ships would be calibrated to. It used these big tracer rounds and we worked night shift... naturally we decided it was a great idea to test it out. :icon17:
There were cops flooding the area in mere minutes and everyone was just chilling by their machines like nothing happened while the foreman talked to them. He just walked by everyone and said dont even think of stepping a toe outside until your shift is over. :icon17:


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