Products > Test Equipment
Test Equipment Anonymous (TEA) group therapy thread
mnementh:
[Random Mode]
[Things that make you go "Hmmmm..."]
So this morning (barely) I wake up in a fugue state after futzing around with my new Tornado 3DP until almost 5AM; after the obligatory scratch, yawn and grumping at my noisy kids who woke me up so rudely at the crack of noon, I decide to get up before I turn 100% vampire and start living the graveyard shift. Rummaging around in the laundry basket for clean socks and shorts I come across this disturbing little penguin creature that for all the world looks like a miniature sex doll complete with pouty lips and "orifices". :wtf:
Persisting mental fog notwithstanding, the REALLY disturbing thing about it (to ME at least) is the fact that nobody in my house knows where it originated from or how it came to be lurking in my UnderArmor pile. Not me, not my wife or either of my children. NOBODY. :wtf: :scared: :wtf:
[/Things that make you go "Hmmmm..."]
[3DP Time]
For those still interested in the ongoing saga of The 3D Printer That Actually Worked, here's a quick photo rundown of this morning's fettling. (Yeah, I'm deliberately trying to wear that word out; it has ALMOST gotten to that point of having lost all meaning. >:D )
First up is a closeup of the part showing the hollow infill honeycomb; I was able to get some nice pics during printing and I thought it was interesting.
Next is the spool holder just after I woke up and pulled it from the hot bed; this required some considerable prying with my thin-bladed paring knife (if you don't already have one of these Mundial restaurant-gear paring knives in your tinkerer's toolbag, they are a MUST; they have the perfect combination of high-quality stainless steel and "just-flexible-enough" thin cross-section edge for a zillion tasks) as the Tevo hotbed skin has quite good adhesion. I need to ask in the groups and see if there's some trick to make it release; I vaguely remember some post back in my Tevo Tarantula daze about heating the bed real quick then spraying the part with frost from an upended can of canned nitrogen duster. I'd have tried it already, but the bed underneath is ceramic glass like a smooth electric cooktop.
Next is a shot of the bottom showing the excellent bonding of first layer strands and how thin the trimmed-off raft is.
The next two are shots of overhang performance and conical buildup performance; layering is precise and even, and minimal slubbing at the extreme outer edges of the overhang. I could spend days tweaking and never get it any better; I'm dead chuffed with this.
Next after that is a shot of one of the gusset areas showing compound curve rendering performance; layering is mostly quite even with a few microscopic voids in the finish layer that could be tweaked out, or could be better fixed with a second finishing layer in the model. I'm not sure which is the best approach there, or if it is even worth attempting to fix.
And last is a shot of the bottom "parting area" of the print; the leftmost 1/3 is untouched, the middle third is just lightly going over it with heat from my old Ungar heat-shrink gun, and the rightmost 1/3 is working the heat until it polishes to a high gloss and removes the knife marks from trimming the raft/flash around the edges.
The middle third is easiest to do well; just a few seconds with the heat at medium distance takes away the frosted look and leaves a satiny finish, and it is easiest to do evenly. The last third requires patience and a steady hand as you have to apply the heat quite closely in a circular motion; getting an even gloss finish without bubbling or sagging the surface requires a lot of concentration. And as I discovered, the amount of heat needed to get that gloss finish across the entire surface invites the part to warp and twist; I had to manually flatten the part before it cooled. :phew:
Okay, okay... I know I need to wrap it up before the Langoliers come to spank me for being grossly OT; I'll try and keep future updates a little less... uber.
[/3DP Time]
[/Random mode]
And now for something completely... TEA-related. >:D
Whilest shopping in the Micro-Center for Filament, I found myself in the midst of a wall of HDDs of varying sizes and description. in the middle of all that was a small sale flag, advertising the above SSD for the princely sum of $24.99. I wibbled over it for several minutes; I already have a hybrid HDD in my desktop and a Samsung 850 EVO in my old laptop, but damn... a SSD for $25, and something with semi-decent specs and barely usable size, not some idiotic antique like the 32GB mini-PCIE ones everybody's trying to unload in Chromebooks. I guess my son's new ThinkPad is gonna get a little turbo boost. :-+
After I got it home I committed a little Guugle-Fu on the beast; to my surprise, it's also available for the same price from Amazon, and for $20 more you can double the size. Not only that, the reviews are mostly positive; while not a thoroughbred performer, still a good solid SSD and crazy good bang:buck ratio.
So there... I CAN post something at least moderately TEA-related. :-DD
mnem
:bullshit:
bd139:
--- Quote from: tggzzz on June 24, 2018, 09:52:00 pm ---
--- Quote from: bd139 on June 24, 2018, 09:35:01 pm ---Note the decoupling caps everywhere.
--- End quote ---
Life's too short to watch most videos; they don't even appear in my default browser settings.
--- Quote ---This wasn’t precautionary but reactive after there was some oscillation in the integrator stage.
--- End quote ---
Tee hee. Never doubt my judgement :)
--- Quote ---I could have done it dead bug to be honest, got enough parts stock, but I want this to go nuts. Diagnosing stability problems and oscillation was one of the points of the exercise. At one point it was going mental and slinging it’s shit all over the place but now I know why and how to squash those problems.
--- End quote ---
Debugging problems with your design is fun and laudable. Debugging problems with an avoidably shitty implementation of your design is simply perverse.
But then you are a softie in financial services, so that's probably standard operating practice in your day-to-day "professional" environment :) Me a cynic? Shurely shome mishtake.
--- End quote ---
No comment about financial services software. It’s why I keep a roll of 20s around and a crate or two of beans ;)
Remember if you can debug your own avoidably shitty implementation you can debug the whole spectrum of shitty implementations without pulling a face like you’ve had the shitty implementation rammed up your butt. Thus putting yourself on the top of the food chain when it comes to flames coming out of something. My software side business model is basically being paid to do things no one else will touch with a 6 foot long stick. The sick perverse person in me likes arguing with this stuff.
I have never lost. Yet.
bd139:
@mnem that is looking pretty awesome. Not bad for the turnaround time so far on set up. I’m at +25 now :D
I wouldn’t use a computer without an SSD these days. No mechanical disks here other than in my NAS box and that’s only because I didn’t pay for that :D
Specmaster:
--- Quote from: bd139 on June 24, 2018, 10:10:11 pm ---@mnem that is looking pretty awesome. Not bad for the turnaround time so far on set up. I’m at +25 now :D
I wouldn’t use a computer without an SSD these days. No mechanical disks here other than in my NAS box and that’s only because I didn’t pay for that :D
--- End quote ---
I got a 500GB SSD as my main drive but then thats followed up with a 2 mechanical drives totaling 3.5TB with loads of other USB drives totalling at least another 4TB and a further 5.5TB in 3NAS drives but not all of them are in use all the time.
My laptop also has a 500GB SSD main drive and a mechanical 500GB 2nd drive in the expansion bay. If I could I'd go SSD all the way.
No reason not to have that many drives when so many can be had for fuck all from Sky+ boxes that people dump. :-DD
Specmaster:
@mnementh I watched a video of your Misfit watch last night and it does have pretty good robotics and it is so much more subtle about being a smart watch than the digital ones are and that year long battery life is a big improvement too. That said, it does still has functions that are not really necessary as they are duplicated on the phone and the phone has to be in the close proximity to you anyway so may as leave those functions to it.
It is a watch that I would certainly wear because of its quirky way it tells the date etc and it does look good as dress watch.
This watch here is one that I have and others in a similar vein from Citizen.
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