Quarantine Projects!

Janderso

Jeff Anderson
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Goce,
I hope you didn't burn any of that galvanized coating. That stuff is really bad to breath. Never have heard of that welder??
Work out ok for you?
 

GoceKU

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Goce,
I hope you didn't burn any of that galvanized coating. That stuff is really bad to breath. Never have heard of that welder??
Work out ok for you?
I used my grinder to grind back as much of the coating as i could, i know is toxic but i've done it many times before no bad effects. My welder is Varstroj varmig 160 c that is a slovenian company they are good machines at affordable prices, i've recently modified it with those big wheels and i've changed the ground cable.
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GunsOfNavarone

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I‘d say an Arduino uno would be your gateway drug... ;)

they’re cheap and easy to code for with the Arduino IDE. A raspberry pi is essentially an entire PC on a single board. The Arduino is just a small relatively slow microprocessor with some additional bits to allow it to talk with the outside world. Check out the official arduino website for some ideas:
This seems really daunting. I'm not a computer idiot, but even basic commands...say DOS, isn't something I can do much with. I know Arduino doesn't use DOS commands, but it still seems to be alpha/numeric mumbo jumbo. How do you do it? Is there U.I. that makes this easier? Like ITTT?
 

rwm

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I think you have to have an interest in learning to code to play in this sandbox.
Except for the Rasp Pi 4 which is pretty much a PC.
Robert
 

Weldo

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Thanks for the guidance fellas! If I don't get into Arduino this month I probably will some time this summer. I've not heard of Parallax Propeller, I will check that out too!

One of the main reasons I've been inspired to learn some programming is this guy.

https://bps.space/

He's been designing/building highly engineered model rockets for a few years and one of the things he's been working on is thrust vector control at the model scale. Below is a GIF image of how small servo motors can manipulate the rocket engine in response to external stimuli in order to keep the vehicle going straight.



He designed and built the mounts and such with a 3D printer and even designed his own flight control circuit board.

While this level of programming is likely not for the beginner, this is the type of thing that is possible with Arduino and Raspberry Pi and the like. It has me intrigued, though to be honest I don't have an idea about what I want to do with it.
 

AGCB97

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Check out this 1+ minute vid. It uses a 'drag and drop' programming method that doesn't get any easier.

One thing I like about Propeller is that with 8 cogs, you can do 8 separate things at once (simultaneously)! Not just one after another like a single core processor.
For instance, in the program pictured, there is a RTC' real time clock' constantly keeping track of days, hours, secs etc.;
10 temperature sensors; 2 door sensors; as well as 4 other events; all being displayed on a TV screen with 4 different audible alarms. It also monitors the chimney temperature of my outside wood boiler and turns down the draft fan speed when the fire gets to the best temperature but doesn't let it get too hot.

Aaron
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GoceKU

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Quarantine Project No: 4 Making a steel planter for my yard, i used 10x30 mm tubing, marked them cut them to size, welded them, made the two sides and welded the cross braced. I plan to hang it and paint project 3 and 4 after lunch at once. This may look strange without the skin but once all together you'll see my design.
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matthewsx

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Quarantine Project No: 4 Making a steel planter for my yard, i used 10x30 mm tubing, marked them cut them to size, welded them, made the two sides and welded the cross braced. I plan to hang it and paint project 3 and 4 after lunch at once. This may look strange without the skin but once all together you'll see my design.
View attachment 323597 View attachment 323598
You grow your own steel?

Johh
 

matthewsx

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So a little more than a week ago I was looking on Craigslist and there was a die filer being offered for $40 not far from me. I've wondered about these tools since I first heard about them and even contemplated trying to make one from an old scroll saw I have. A quick trip and this one was mine.

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Looks like I didn't get too many "before" pictures but you can see it was pretty grungy, I took it apart and drained the old oil.

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Cleaned up the motor, here's just part of the swarf I got out of it.

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Painted everything, replaced a few fasteners, sealed it up, new belt and oil.

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It's a pretty cool machine, table can adjust to any angle and should speed up just about any filing job.


John
 

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Weldo

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Man, one work week down! I was so tired after work on Monday! Everyday I get a little stamina back.

So, this isn't technically a quarantine project, but I feel like sharing. A friend is trying to mount Harley Davidson saddlebags on his Vulcan, so he got the brackets and asked me to modify them. The following is his design to mount up the bags to his rear fender.

This is the pair of brackets.

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The plates were welded on by me. He'll use these plates to drill/bolt the bags on. The holes in the plate will be used to mount the bracket to the bike.

EM520891.JPG

Gussets on the back side. All this stuff was welded with 110V flux core. My trusty old Lincoln SP135! I bought it in 2001, it's almost 20 years old!

EM520893.JPG


He also needed a backer plate made for the air cleaner. Here's the template.

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The plate fits into this grommet for an air tight fit.

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I thought I'd be slick and cut this thing out with the lathe. If I'd have known what a pain it was going to be I would have just sheared it out and sanded it down!

To get the clearance I needed I set up to cut the OD from the back side. The metal is 1/8" 5052 aluminum. The thickness is just right for the grommet.

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Nother view.

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Inverted tooling! Craziness!!!

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Holy chatter! I had an awful time with this. Chatter was very very bad. A few times the tool caught and caused the piece to spin on the arbor. I tried a few different speeds even down to back gears. The slower the better for this. I tried to feed in with the carriage as slowly as possible but it was extremely easy to catch the part and cause the arbor to slip. Eventually the tool caught bad enough to break the tip off.

I finished cutting it out the old fashioned way. I love this little shear! It was very easy to follow the kerf made on the lathe. It was over halfway through.

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I put it back on the arbor and cleaned up the OD. Even this chattered badly. I tried a tool with lots of negative rake thinking it would help and it kind of did. I again ran the lathe very slow. Out of all the passes I did only one of them yielded a nice quiet cut with well formed strings of aluminum peeling off the part. What I needed was a beefier arbor I think. Trying to turn a 6.5" round disc on a 1" arbor is pretty asinine if you think about it, which I didn't until now.

All that's left is the ID. I should be able to hold this in the 4 jaw and bore it out. The finished size is around 1.875" so I may hole saw 1-3/4" to start.

Fun fact: you can see there's a concentric ring on the face which is where I almost cut the part too small! I did a scratch then double checked the size with a tape measure. Always double check!

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A final view of the edge. I filed it a lot to get this finish. It's not great but better than the lathe cut finish. Didn't feel like doing the sandpaper/polish bit.

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Tomorrow I'll tackle the ID. I hope it goes better!
 

GunsOfNavarone

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I've gone through most of the microcontroller types but settled in on Parallax Propeller for simplicity of programming and power and usefulness of system. Also has a great forum for help and ideas (just like this forum).

Here's a little site to look at

Aaron
So, say I purchased that board, what do you do with it? I'd have no idea what I could connect to it and how to program it do do whatever it was I wanted it to do. I just don't even know where to start. I mean, could you connect a simple tail stock type caliper to it and have it display on a DRO? I'd be very interested in that, but again, just because I can buy something, doesn't mean I could have the understanding how to use it.
 

AGCB97

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They don't teach 1st graders trig. So first of all one needs to want to learn, either to do something specific or to put new tools in the tool box of your head. Then start simple. With computer classes they usually teach you how to get the screen to say "hello world", with a micro controller the 1st lesson is 'blink an LED'. After that there are tons of tutorials on YouTube. Some are very good and fit the skill level you are at. Others are above or below your current skill level or done by just plain poor teachers. I've learned many things on YouTube and continue to so. The other thing is a good forum to ask questions and get advice. By a good forum I mean, "are there members who are glad to teach and help you out". Are they friendly and put your interests and personality above their own? Like this forum is with machining and so much more. Many people with skills and experience and desirous to help others.

The next decision is yours. Think about it, count the cost and either jump in or pass.

Respectfully
Aaron
 

GreatOldOne

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I've been doing an impression of a motor repair shop. My mill's DC motor decide to eat its brushes.
IMG_5216.JPG

I took the motor off, pressed out the rotor and cleaned up the commutator.
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Oh look - there's the rest of the brush...
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I also cleaned out the casing, and the brush holders. Buttoned it all back up, and waiting for the supplier to ring me back regarding replacement brushes... They're some sort of weird unobtanium size. 13.6mm high, 5 mm wide, no idea how long. Don't seem to be able to find them elsewhere on the interwebs.
 

AGCB97

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You may be able to find some slightly larger and sand them down (easy) to fit. If you post a detailed picture with dimensions, I'll look through some boxes. I have quite a few.
Aaron
 

mmcmdl

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The past 2 days I've been attempting to put some motors together for our chillers in at work . We'll throw one on first thing this morning and see if the rebuild was successful . We have about 25 of these old motors which cost 3 grand a pop . Not my idea of fun but the boss put me on it , and he pays my bills . :grin:
 

GoceKU

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Quarantine Projects No: 1 is doing well, all the plants made it and are blooming. I still need to get some paint and make it look a bit better.
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Quarantine Projects No: 4 i also finished, i had to bend the sheet metal in between couple pieces of tubing and i used a lot of rivets to secure the sheet metal to the frame then i had some help and planted couple of bushes.
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Quarantine Projects No: 3 Got loaded, i stored 18 tires with rims, i have space maybe for one more for later, i plan to install some lights under it maybe a stereo also.
IMG_20200509_181446_1.jpg
 

GreatOldOne

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You may be able to find some slightly larger and sand them down (easy) to fit. If you post a detailed picture with dimensions, I'll look through some boxes. I have quite a few.
Aaron
Thanks for the offer, but I’ve got some now. :encourage:
 

middle.road

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Well compared to the other projects here in the preceding (15) pages, this is bush league.
New ramp for the mower shed.
Despite best intentions, three lasers (for triangulation of start point), a transit (for excavation), two 4' levels and a chalk line, it came out uneven...
Still trying to figure out where I went wrong. One of the lasers must be out of calibration. :cool 2:
The 8" portion shown between the new planks and the doors is the original steeply angled 2x6's.
I wanted a 'gentle' ramp that was not so severe. Too much of a 'drop-off' when coming out of the shed.
Should have demo'd out the original, but everytime we do that on this property it turns into major project, so we left it.
Besides, We still need to put a new roof on it and fix some of the trim, just like on the house... :grin:
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GoceKU

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Small update, Quarantine Projects No: 3 got an addition, i glued on a row of led lights, and got some more light over the work table, i've been inspecting the wall mounts its holding, on separation at the bolts. The Led's are 12v and i'll be installing a car stereo and a 12v power supply to power both, i don't lesson to music when i'm working, i like the quiet, but i often find myself working long in the night and getting sleepy if i'm working sitting down, music should help then.
IMG_20200513_122645.jpg IMG_20200513_122700.jpg
 

GoceKU

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Small update, Quarantine Projects No: 3 got an addition, i glued on a row of led lights, and got some more light over the work table, i've been inspecting the wall mounts its holding, on separation at the bolts. The Led's are 12v and i'll be installing a car stereo and a 12v power supply to power both, i don't lesson to music when i'm working, i like the quiet, but i often find myself working long in the night and getting sleepy if i'm working sitting down, music should help then.
View attachment 324357 View attachment 324358
 

Weldo

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Despite best intentions, three lasers (for triangulation of start point), a transit (for excavation), two 4' levels and a chalk line, it came out uneven...
Haha, too much thinking and measuring maybe? Looks good though! Home Improvement!

It’s a hammock post, cunningly disguised as a rotary washing line / dryer.
Man, that thing turned out beautifully! Nice work!

i don't lesson to music when i'm working, i like the quiet
I am also like that. I usually prefer no music in the shop. Sometimes it's nice on a jobsite, and sometimes it's obnoxious. The racks look great by the way! You're utilizing all that wasted space very well.
 
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