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Ask machining questions, post machining failures

CAD CAM talk
Speeds and feeds guessing
G-Code, M-Code, Bro-Code
Fanuc vs Haas
Bitch about pay
Ignore Sieg
Whine about spline shafts
Button pushers who think they're machinists

new years improvisation edition theme: https://www.youtube.com/watch?v=nmrkecCd_1E
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>>2975739
We made this as a practice piece when the company first got the machine...made in 1 operation....i set it up and he wrote the program
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>>2975740
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>>2975741
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>>2975740
Oh wow, thats really impressive. This was my first piece on a 5 axis machine btw
>>
>attach indicator magnet to machine
>barely start wrestling the joints into place
>150 year old boomer materializes behind me and sticks his giraffe neck over my shoulder
>uyo CaNeth measurings lika t..that, anonski!
>i haven't even setup the indica
>YUO can NOT
>refuses to elaborate
>vanishes into dust and appears at the next guy to bother
why are industry boomers like this?

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A place for anything to do with Welding.

Post your welds, ask questions and discuss sticking metals together.

IDK I just want a place to talk about welding.

Thread Theme: Wacky Weaves

Previous:https://warosu.org/diy/thread/2932874

Previous before previous:https://warosu.org/diy/thread/2894379
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muricans cannot fathom the 7018 open root
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>>2976891
canucks cannot fathom a good fitter and a 7010 hippy rod downhill root
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>>2976922
>fitter
murifats never did end the slave trade after all
>>
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>297692aight
>the helper thinks its allowed to talk
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>>2972986
>be lowlife scum dropshitter
>wait 22 days to dispatch my fba order
>send chinkshit instead of genuine as ordered and paid for
>get negative feedbacks removed because they were all fba orders of garbage middlemanned through amazon delivery
>continue doing monkey behavior for peanuts margins
and here i am being fucking retarded just trying to make an honest buck melting metal together

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how do I into blacksmithing?

why are anvils so expensive?
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>>2976755
Took some pics today. Went to town to get some oxygen bottles and co2 bottles refilled but the welding supply house was all out. Truck comes tonight so I'll get em in the morning. Figured I'd swing by and check out those weights while I was thinking of it.

These two (one right below it that matches) are 56" long, 34" wide and 4" thick with the one tapered end.
>>
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>>2976755
And these two are 47" long, 34" wide and tapered on the one end as well. Pretty big chunks of steel though.
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>>2976755
Noice
>>
Weren't there some Chinese cast steel hardened anvils on Amazon? Accio/happy buy or something? Not super heavy, and not quite shaped right in every way, but would be good starters. When I started, the only new anvils were from Sweden and Germany and cost a large amount of money, and the antiques were no longer cheap. Ended up with two anvils (65 lb Hay Budden and 100 lb Trenton) for a decent price out of luck.
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>>2977523
Harbor freight sells a 65lb cast steel anvil under their Doyle brand for $140. I'm sure someone could get it cheaper if they watched the coupons and deals. Has good reviews.

A breaker bar is a breaker bar, right?

ITT: Shit tier tools
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>>2973874
Not OP. Duracell have been living off of their name for decades. I've have had better luck with no name discounts not leaking.
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>>2977043
They know most people will just buy a new one rather than going through the hassle and runaround of getting a free replacement.
>lemme track down that receipt from 15 years ago
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>>2977231
I broke a the jaw on a crackwhore supply spud wrench and they replaced it no diff
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>>2973446
I never leave batteries in devices I don’t use a lot. Of all my electrical testing stuff and laser level and all that, I only leave batteries in my go-bag meter and my most common garage meter so I’ll see the battery low warning before the cells have a chance to explode.
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>>2967819
Heh

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Hi /diy/, I'm in between jobs right now and lately I've been collecting broken appliances from the curb and checking the dumpsters around my local apartments too. I've taken apart a few microwaves and resold a couple working mini-fridges. It's not a ton of money but it keeps me busy. Any other scrap collectors?
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>>2975284
i needed it for myself
>>2975312
didn't burn the whole thing just the partly crushed carbon rod in the center
since i need it for a high temp application it defeats the purpose
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>>2975284
artists, metalworkers etc
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Told my neighbor that I'd clear his front yard for free (scrap metal profits for me). Got told to fuck off.
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>>2977349
I was out in front of my house hauling an old metal lathe out of my garage. Some rando driving buy offered to haul it away for free. I asked what he was going to do with it. He said all that iron could be scrapped. I said "Wow, and here I was just going to sell it to a guy who offered me $800 for it and is coming but to pick it up right now. But you'll take it for no money at all? Gee, thanks. Keep driving." And that is the story of how I sold my old Atlas 618 lathe to make room for my Monarch.

Can't see the forest for the trees.
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>>2977366
"People" who offer to take scrap are pure scum.

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How do I fix this?
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>>2977254
U look like shit
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>>2974687
>File: fixed.jpg

I used to do property maintenance.
When I visited a property I checked behind EVERY poster taped to the wall.
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>>2977254
I had originally intended trying to mimic the texture, but I think it looks pretty good, especially since it's down at shin level.
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>>2977412
It's fucking trash, you botched it hard
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>>2977412
>I had originally intended trying to mimic the texture, but I think it looks pretty good, especially since it's down at shin level.

>>2974858

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Where do you get thin metal cut? Sendcutsend only cuts aluminum down to 1mm. Need .30mm cut.
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>>2975610
use the old printed circuit board method, laser printer toner transfer sheets and a ferric chloride etching bath
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>>2975669
I thought about something like that. I may be able to skip the masks and just spray stuff on the metal and then laser it away before etching too.
>>
I ended up swapping the metal discs for carbon fiber. $70 total landed cost for 66 discs from a factory in China. Were I to do this with aluminum just the raw materials alone would probably be $30. From a production standpoint the discs could be made quicker with stamping but the aluminum comes in rolls so there would probably be some warping unless it went through a roller. The aluminum is also I think like 40-50% more heavier than carbon fiber by density. So looks like I will be doing these with CNC for now and potentially maybe stacked in a waterjet in the future should my prototypes work. If anyone needs the email for the carbon fiber cutting just let me know. Will hopefully have the parts soon to see how the quality is.
>>
>>2975240
Go to a Photo/Chemical Etch place.
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>>2975613
You can just go ask local machine shops.i got something similar done by a local shop and he charged me a flat rate of $40 and said he could do up to X quantity for that price. Laser cutting, not as thin as yours. Only paid for the (scrap) material of his choice and about 15 minutes of his time. I had asked 2 other shops. One said no and the other quoted me $500+. Different shops have different flexibility and friendliness. My shapes were simpler than your pic also

post your tractors
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>>2976969
injection pump and starter are mechanical independent so likely a battery issue. if if sat a while the starter may be stuck. tap on it with a hammer while turning the key. especially on the solenoid. make sure the battery is good and charged up fully first or maybe hook it up with jumper cables so you know youre getting full juice
>>
>>2976978

The start turns over no problem u til the batteries run out. Even with the battery hooked up to a jump starter they will eventually die. Could be the jump box or the battery, either way the engine should fire while the starter is getting good voltage. Next time I look at it I will bleed from the filter housing with the lifter pump then crack the injectors before I begin cranking to verify that fuel is making it to the injectors. Suspecting that there’s either an obstruction at the injection pump or there is a wiring issue causing the injection pump to never come on. It wants to start with ether but it isn’t getting fuel for one reason or another
>>
>>2976991
As you suspect you still have air in the system. Some filters have bleeders on them you can crack open and pump away on the primer until all the air is out and it squirts out fuel. Yes do crack the injector lines as you mentioned it will help get the air out. Once they start pushing fuel out tighten them down one by one and it will eventually fire off and run.

If that has the injector pump on it that I think it does, there is a return line coming off the injector pump that has a little check valve in it. Make damn sure it's clear and doesn't have any debris in it clogging it up. If that return line gets clogged off it will keep the injector pump from working. The usual symptom of that is it will start and run for just a second and then immediately shut down and won't re-start until the pressure internally in the injection pump bleeds off.
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>>2977002
Thank you. I will try that tomorrow and report back tomorrow night with the results
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Bought this model M for $800. Runs and drives but has a hairline crack in the headgasket that needs fixing this spring. I have no fucking use for this and don’t know why I bought it aside from it being cool and fun to drive around my humble few acres. Maybe will be worth something in a couple decades who knows

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The first thing a real man does when he gets a new angle grinder is rip off the guard and toss it in the garbage.
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>>2976758
>slowly bends the shaft and causes excess vibration

>>2974831
Earpro blocks out higher frequencies better than lower frequencies thoughbeit.
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>>2976784
>thinks 3lbs hanging 1/4" cantilevered on a 5/8 hardened shaft is gonna bend it
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>>2974803
WHAT!
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>>2945518
lmao I had the very same experience. I bought 115 mm diameter parkside angle grinder by accident, with two gay guards, stopped working after few seconds of work. yeeted it angrily into trash, not even bothering with refund, and bought 125 mm.
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>>2976996
hahaha

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3d printing was supposed to be eventually in everyone's home. What happened?
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>>2956820
cheaper to have someone else print it
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In the past month I have printed these functional parts:
drill guides, for cutting glass, and for general drywall punctures with debris catch
rails for aquarium lids
various inserts for diy polycarbonate aquarium lids
auger system for automatic aquarium feeder
filter adapters
shrimp towers
floating breeder boxes
light risers
more tool and battery mounts for work van
machinery dust covers
knuckle chopsticks that let me snack without dirting my fingers, but also not getting in the way of mouse/keyboard usage
milwaukee packout bins that slide into the system
could keep going, but I've saved loads of money on all these projects by having the 3D printer and it's fun
haters gonna hate
>>
>>2976807
Less expensive lathes used to make their back gears out of pot metal or zamak. Those types will probably hold up a little better than your printed one but you can probably get quite a bit of use out of it before it fails. The main problem I have seen with setups like this is the metal gears eventually eat away at the plastic ones. No catastrophic failures, just the teeth on the plastic one wear down and it gets sloppy and later starts slipping.

Also, South Bends are not what I would call a junk lathe. Even if it is clapped out you should be able to resurface the ways and get it back in trim.
>>
holy fuck I just printed a silly cat gladiator helmet using multi color AMS
the amount of poop produced to change colors every layer is insane
this is not a critique of 3D printing, multicolor is purely unecessary and meme aesthetic nonsense
but fuck if you do it... 1/4 of the filament for the print is going down the drain
also clogged my poop shoot because I didn't expect it, knocked the fan off
lmao
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>>2977024
>just the teeth on the plastic one wear down and it gets sloppy and later starts slipping.
so you print 10 at .05$ apiece at once and swap em
i mean if you can find and buy the cast gear awesome, but if you can't...

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Hi, I need practical ideas: my family is in a bad financial situation and I want to help while I study.

I went to a technical high school in electronics, but I had almost no hands-on practice — I’m willing to learn soldering, electronics repair, PC assembly, 3D printing, or any manual skill that can generate income.

What projects or skills would you recommend I learn first to sell services or products quickly? Thanks — I can dedicate time to learning the basics now.
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>>2976148
How many warm holes do you have that you're willing to sell?
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>>2976234
just my mouth and my ass, the rest are off limits
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>>2976151
In the same vein, the kiosks that change watch batteries at the mall are always hiring. I’m sure they don’t pay well, but it’s a job.

It is *tough* getting a gig as an electronics technician without experience but it’s also really hard to find anyone any good. Soldering is table stakes and half the applicants struggle with that. And you’re competing against people with BSETs if not BSEEs anymore. So apply for those jobs but don’t count on anything coming through.
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>>2976220
selling blood and bone marrow for that virtue signalling
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>>2976148
Find appliances roadside, check what still works. Sell off the good parts on ebay.

The milk shelf broke in my fridge and I am about to look for a replacement that is cheaper than the factory one.

Alternatively part out a junk car.

This is all shit work but it sounds like you cant take on an actual job.

If you can take a part time job, find a factory looking for electronic assembly. Tell them you can solder but you havent in a long time. Tell them you are available on call to fill in. They pay 18/22hr around me all small and non union.

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In Texas, auto parts stores and scrap yards pay $15 for each stolen car battery. Plus the scrap yards will buy the cables. Thieves bust the drivers window with a spark plug, pop the hood, then cut out the cables with bolt cutters. My car has a factory cable with multiple wires and costs $279-. My neighbors and I are struggling to stop this in our Houston area. Any suggestions are appreciated.
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>>2976241
>It takes a court-order
I'm calling BS. Any cop will gladly rip a homeless individual from your car.
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>>2976288
Only if there is evidence of break-in. Otherwise the homeless gentleman will claim you gave him permission. Then it becomes a civil case and the cop leaves.
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>>2976300
If you live in a jurisdiction where the cops take any fucking excuse to walk away, then they also aren't going to give a fuck if you settle things "civilly." You can't play this quantum game where literally everyone in this hypothetical is here, specifically, to screw you over.
Besides, most homeless people will leave the second it looks like a confrontation is starting. That's the reason they are on the streets, because the shelters are overrun by the ones that are actually willing to shank each other over "their spot".
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>>2976306
>You can't play this quantum game where literally everyone in this hypothetical is here, specifically, to screw you over.
lolwut. Every cop says to lock your car with the windows up.
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>>2971186
Unfortunately, your engine bay is not covered by the castle doctrine here.

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how do you clean this ? I tried scrubbing the fuck out of it and it's not coming off
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>>2969983
Bleach.
Neat. Thick.
Wipe it on.
Leave it to pickle.
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>>2974233
Kys
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>>2970979
You just rekt the finish when a melamine sponge would have worked faster without damage
Buff out the damage with some 1000+ grit sandpaper
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>>2969983
Not sure if late to the party. But you can use pimstone to remove that.
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>>2977327
the fuck is pimstone, shirley you don't mean pumice stone

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A challenge for those who seek.
The file is attached.
Only logic and attention will reveal what’s hidden.
Do not give up.
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>>2977269
>playing stenagraphic games from random 4chan posts

Ishygddt
>>
>>2977293
Try again bro
>>
>>2977269
Hmm

post your watch
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>>2972309
had this baby for a few years now, really like it
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>>2974823
Turd herder so it's unlikely but fair point
>>
irish wristwatch
irish wristwatch
irish wristwatch
>>
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these were scratched up to shit and had broken strap holes when i got them out of the fuck it bucket, so i fixed them up. top side was patched up with a 3d pen, bottom was beyond saving so i cut it out and replaced with a 3d printed part, plus some polish and a cheap band and they are back to being my daily driver. finding 22mm bands is so easy now with smartwatches around, used to be a nightmare when i wore those in high school.
the bottom side is supposed to hold a microsd, but i printed it too tight and couldn't be assed to reprint it so it's just got a niche o' potential slowly filling up with human dust.
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>>2972309
Nice try Ahmed.


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