How these impossibly thin cuts are made

[@Rubrickety]

5:15: "It does something with it and pumps out deionized water." Once again, Steve Mould lucidly explains a complex process.

[@puppergump4117]

Better than pretending to know

[@eclectichoosier5474]

Perfectly described, when it is outside the scope of the video

[@Rubrickety]

Just to be clear, I loved this; I’m quite sure it was a deliberate deadpan joke on Steve’s part.

[@Filmaker25]

007

[@YoUtUbEhAnDlEsArEgReAt]

The real reason why knives can cut things is because they’re sharp, unlike say, a tennis ball. It needs to have a defined edge of a particular sharpness in order to cut, otherwise you’re just left with some sort of tear.

[@BryantCutler]

"... which, in inches, is... a different number." This short phrase made my whole week. I laughed so hard.

[@lunakid12]

Hehe, I just came to join this particular party myself too.

[@brainzend]

@@lunakid12 same lol 6:47

[@Popupkiller]

Same here. Had to get my phone out just to comment on it, as you can't on the TV app.

[@suncat530]

i don't even remember what it was in -cm- mm - but i noticed this effing awesome joke xD

[@aoxc61]

It was great , I'm going to steal it 😁!!

[@Junkt123]

Hilarious how you had the plastic cover on the competition’s razor as you shaved with it. I noticed, and I salute your attention to detail and subtle humor. Same goes for the “see it even works on cheese.” I giggled.

[@Rompler_Rocco]

"...you first drill a hole in the cheese, we've all done it..."

[@dfgaJK]

True precision and intention! 😂

[@ChristopherWanha]

That made me laugh too. I figured it is possibly the best way to sell the product with a bit of humor rather than showing you left cheek and right cheek that look identical. Well done. -- surprised I'm talking about an ad, when I usually skip'em.

[@Aut0KAD]

"it fits perfectly"

[@nathanfaulkner2364]

I always appreciate some good stubble humor in my youtube videos

[@poro3246]

I love how smoothly you recalculated it to inches.

[@demef758]

And to eleven decimal places to boot.

[@VeganSemihCyprus33]

They are hiding this knowledge from you so they can keep you as a slave 👉The Connections (2021) [short documentary] 🙌

[@gabrielv.4358]

no one use inches ollolol

[@nulzthepastathief]

@@gabrielv.4358 Did you forget Americans exist?

[@BillAnt]

Ya, at 6:50 "... which in inches, is a different number." lol And that's why the metric system is more logical and precise.

[@tehlaser]

3:55 another benefit of submerging the part is that the liquid reduces how much eroded material gets into the air and, from there, into Richard’s lungs.

[@jokeassasin7733]

old versions were non submerged, but the newest nonsubmerged machine I've worked on was from 1986.

[@kolby4078]

@@jokeassasin7733 they still make them. they are better for speed but less precise, we use one as a bandsaw to cut 3d printed Inconel off build plates at our shop.

[@isaacgraphics1416]

I love Steve's commitment to demonstrating everything using cheese.

[@Booga-tz8kj]

I am now disappointed that he didn't shave cheese at the end

[@lephtovermeet]

I really hope Steve becomes England's premier cheese machinist

[@lizaking25]

that’s commitment to the bit. wait - wrong science communicator.😅

[@tidonuss]

I love Steve's commitment to have half of his face shaved unoted

[@memlordguy5792]

Cheese

[@FreakyRufus]

I was impressed by your dedication to the cheese comparison throughout the entire video.

[@acomingextinction]

for real. guy IRONED CHEESE. that's commitment to the bit.

[@MttGaming904]

destroyes ur 777 likes :D

[@samh2340]

Ah yes, wire electro dance music

[@lukemorris2000]

Bro thats what i was thinking too lol

[@beginnereasy]

Edm strong

[@JAL_EDM]

This vexes me.

[@cipherhex]

8:51, the difference really is remarkable!! It's almost unbelievable! You would think there must be some user error, but no, it couldnt be that! 😅

[@Thund3rstorm]

To be fair: they are actually horrible to use if you want to shave off more than a stubble...

[@lunakid12]

Hehh, indeed! Good thing he'd shown it up close and slow, so we can exclude that possibility.

[@fabianwhs9891]

is it just me or did he have the security cab on that blade?

[@axtre]

@@fabianwhs9891 yea he did

[@iamdigory]

I kinda wonder if that was so obvious that it was meant as a joke of some kind?

[@sevegarza]

In the 1995 World Rally Championship, Toyota infamously used engineering like this to bypass the FIA mandated turbo air restrictor plate and thus produce significantly more horsepower than their competition. There were internal springs that would open an air gap around the restrictor only once the restrictor was fully installed and the turbo was producing boost pressure. It would close when the engine was at idle/when the restrictor was removed for inspection, making it impossible to spot by the FIA inspectors. Max Mosley, the president of the FIA at the time said this: "It is the most sophisticated and ingenious device either I or the FIA’s technical experts have seen for a long-time. It was so well made that there was no gap apparent to suggest there was any means of opening it.”

[@abigailcooling6604]

I'm always impressed by the ways in which motorsport teams try to use technology to get around bans on certain things. Except when the team I support loses because of it of course.

[@rogerramjet8395]

I wonder if this gave the automotive industry the idea for how to beat diesel emission tests … 🤔🙄

[@SnoodyMcFlude]

And the only reason we know about this is because there was a whistle-blower, otherwise it would have gone undetected for much longer.

[@gearloose703]

@@rogerramjet8395 No that was software. Software is messy and ugly, unlike precision mechanics :D Now what if all the cars had the same controller and software... oh wait, they did and they all cheated, never mind.

[@Sam-y5o6j]

Max Mosley.. there was a man strapped for cash.

[@modernfellow6257]

As a machinist (I do CNC work but we also do a lot of EDM work here) and it’s always satisfying when your parts fit together so perfectly and smoothly

[@The1stDukeDroklar]

I LOVE EDM, especially the drop 🤪

[@kalebstover-fb2ll]

The best is when you get your nominal pin to bounce like a spring in the part

[@Flaruwu]

oh hi shulk

[@ADBBuild]

​@@kalebstover-fb2ll Nah, the best is pulling the pin out quickly and making the pop noise. "Like a finger in a butthole" as a coworker once described it. 😂

[@calholli]

0.005 mm = 0.00019685 inches or 196/1,000,000 of an inch. lol or >2/10,000 inch AKA > 2/10ths of a thou ... It's precise

[@MF-dz7cp]

I love how he demonstrates how useless normal razors are by not taking the plastic piece off of the top of it 😂

[@herczegkristof3963]

yes, that was the joke, or am i the stupid one here? :D

[@ShittySwag]

@@herczegkristof3963 nah, I'm the stupid one for not realising the plastic was still on and wondering why it was so shitty! I do it all the time irl too bc, stupid, hurpdurp

[@Cacowninja]

I'm tried normal/catridge razors they really do suck. I just got a safety razor and it rocks actually trims the hair.

[@alexucon]

Thats a lawsuit waiting to be filled

[@neologicalgamer3437]

@@alexucon Literally bro lmao💀

[@kyouhyung]

I've been working with 3d printers for the past couple of months and I've really become to admire this kind of precise tolerances only advanced machining methods could achieve. Amazing.

[@ansgaryeysymontt7155]

You can make this part with plain milling machine and surface grinder.

[@king_james_official]

@@ansgaryeysymontt7155 🤓🤓🤓

[@jeffyboi6969]

you should have seen this 3D print I did for an etsy order. One square fitting in another and it was a ridiculously perfect fit. Now the edges aren't as sharp so you could still see the outline, but I got lucky on how perfect the squares retained their designated sizes.

[@lungcops]

​@@king_james_official step on me

[@jeeperzcreeperzz]

Unfortunately 3d printing in itself is not accurate when ur talking about .00001 tolerances

[@olekaarvaag9405]

There's a Japanese Gameshow called Supreme Skills, where they set a challenge to an EDM and a lathe to drill through a 6cm long 0.5mm thick pencil lead. It was impressive as hell.

[@_billyk_]

The most impressive part was the machinist on the lathe used a manual haha "I don't need your fancy CNC BS"

[@chucklebutt4470]

Sounds interesting!

[@ashlidotto1605]

Is it on KZbin, is there a link ?

[@P4INKiller]

@@ashlidotto1605 kzbin.info/www/bejne/l5rTfYRogrujY68

[@olekaarvaag9405]

@@ashlidotto1605 It used to be on YT, but I think only part 1 is up now.

[@Alexm920]

Steve Mould is legitimately one of my favorite channels, I never know what I'm going to see. Today, I saw him iron cheese.

[@rjamsbury1]

think he was sanding it lol

[@Corn0nTheCobb]

He was definitely sanding it. And if you listen to what he's saying as he's doing it, it makes sense. Not that that's any less strange.

[@quentinsf]

I thought it was ironing, too! "That's a new kind of fondue/raclette!", I thought.

[@ross-carlson]

@6:55 "which in inches is another number" - EPIC

[@T_A_WOW]

As an engineer at rolls-royce who has access to one of these machines. It makes me very happy. I love making these sort of things!

[@weedfreer]

CRF per chance?

[@calholli]

0.005 mm = 0.00019685 inches or 196/1,000,000 of an inch. lol or >2/10,000 inch AKA > 2/10ths of a thou ... It's precise

[@Stasiek_Zabojca]

I worked for around a year on wire EDM, almost the same model as Mitsubishi in this video when I started my career (together with CNC mills) and I really like working on that. I made a cube made of four puzzles like that. It's so satisfying.

[@LiterallyCensoredDaily]

Must be pretty cool using wild machines to make parts for some of the coolest cars on the planet. Congrats.

[@feliperojas-doomride]

wait, you get access to cheese cutters at rolls royce??

[@joeyoh9292]

6:50 "A typical wire EDM machine will have a precision of around a 5000th of a millimetre, which in inches is a different number" 😂

[@NathanaelNewton]

I came here to say this but you beat me to it😂

[@CjqNslXUcM]

I think he meant 5 thousandths, not 1 five-thousandth.

[@judgeg2906]

0.00019685 inches

[@Weaseltube]

The length of the right side of his stubble is the same number as the left side. They’re just different units.

[@BenAlternate-zf9nr]

I believe the number he gave was "five thousandths", so 5/1000, not 1/5000. If you remember that there are 25.4 millimeters in an inch, you should be able to approximate the conversion in your head pretty easily. (It actually ends up being close to 1/5000 in inches since there's about two factors of 5 in the conversion.)

[@sniper13500]

That shot at the beginning is wild. I had to swap to 4k and re-watch it a few times. It must have taken forever to get most of the shot to stay in focus. Thanks for all that effort!

[@SteveMould]

Thank you! Yes, it was a royal pain in the arse to get the timing right. Thanks for noticing

[@jellyphone8343]

@@SteveMould LMAO

[@StyeAI]

​@@SteveMouldLMAO

[@Dad32646]

@@SteveMould LMAO

[@Navarroonn]

​@@SteveMould LMAO

[@avaviscarra8141]

I've worked with Mitsubishi Wire Feed edms (FA20S) myself, and I honestly find them very satisfying to work with. I used to primarily program and run the machine for tool & die components, but I loved to find an excuse to whip out the machine for other use cases that conventional machining methods would be difficult. I have far more experience on milling and lathe work now, from anywhere from micro-machining to huge oil and gas components, but its nice to see wire edm in action as it was essentially my roots beginning as a machinist. Thanks for showing off my passion for others to see, I find this stuff fascinating with the history and science of manufacturing, and how it allows humans to make amazing innovations. A few little tidbits I thought I might mention in case you might be reading this: when referring to the .001's place of a millimeter, it is preferred to say "Microns" as it makes you sound smarter, but also it prevents confusion from the imperial "thousandth's" which is commonly used as it's own term. The first type of edm you mentioned, the sinker type, was far more common decades ago as wire feed edm was not advanced enough at the time. While the accuracy of a EDM machines is amazing, they are not the only machines that can reach such levels of repeatable precision even down to +-.005 millimeters, however, they are set apart by the unique features they are able to cut as they exert very little cutting forces, and the difficult to cut materials that they superior at dealing with. Modern diamond tooling solutions try to give other machine tools access to manufacturing these types of extremely difficult to cut materials, such as tungsten carbide, but EDM machines are a tried and true method that many shops still rely on for tool & die or other prototyping manufacturing. Thank you for your informative video, I have not touched a wire edm machine in a year and I honestly miss the joys of working with them, or having your wire break midway through a 18 hour die and accidentally resetting your G54.

[@DougWoodrow]

I think you meant "down to ±5 microns" 🙂

[@logandarnell8946]

@@DougWoodrowlook, a useless pedant. its almost like the original commenter was using measurements that are more familiar to the average person, and by the by, +- is pretty good shorthand for someone who doesn't know how or doesn't care to input the actual symbol.

[@DougWoodrow]

@@logandarnell8946 Try reading the comment I replied to in full. The symbol wasn't my point, I was merely amused that the commenter didn't follow their own "tidbit".

[@simonlb24]

Cheese machining is a very underrated pastime. Steve, I salute you for bringing this crucial skill to a wider audience!

[@Geert2682]

it's not for everyone though: some alloys are as hard to work with as they are delicious

[@andyreact]

Cheese welding is good too, lots of skill and patience required though!

[@Marin3r101]

Another muppet on YT that thinks they are a comedian....

[@LiterallyCensoredDaily]

"Dang, would you look at the cheesy rims he put on that Caprice? What are those, Muenster truck wheels or something?"

[@andrewhawkins8616]

@andyreact That's how one loses half a beard

[@skilletborne]

This has got to be one of the funniest and best episodes you've made so far Between the perfect cheese analogy, the resin and the water mixing and doing,,, something? to deionize it and the "which, in inches, is a different number" I had my sides splitting

[@hugodasilva9050]

and the beard half trimmed lmao

[@TheOriginalEviltech]

I gave the like for his brilliant comparison of a Henson shaver and a leading brand shaver on his face! He finished me off with that one!

[@spvillano]

@@TheOriginalEviltech I had a feeling, when he didn't go into ink cartridges and toners, where profit margins exceed nuclear rod profit margins by far. I'll stick with my straight razor for single blade shaving, for regular shaving, I'll stick with my only recently introduced to supermarkets 500 blade razor until it starts to dull as quickly as the much more expensive name brands. Largely, as I do know how to hone my straight razor and the 500 blade model still has cheap and durable blades (as in, they last months for me on a single blade cartridge. With its evil attachment method. I'll just get my coat...

[@austinembry2809]

@@hugodasilva9050 Especially using the razor backwards, with the guard on.

[@jeremydemarco8697]

​@@spvillano dude you're so high 😳🤯

[@Mionwang]

Steve Mould should make a mould out of mold. I'll look forward to Steve Mould's moldy mould for a bold Steve Mould made of gold for people young and old to behold and uphold, for future generations to be told the tale of Steve Mould's moldy mould that withstood weathers hot and cold, yet never sold and let unfold the tale of the bold gold Mould cast in Steve Mould's moldy mould.

[@ezrakornfeld8436]

Steve Mould should make a Steve Mould Mould made of mold and gold

[@sandasturner9529]

Nowhere near worth the health risks involved.

[@Mionwang]

@@sandasturner9529 there already exists a cheap and eco friendly packaging material made entirely out of fungus so I suppose it's not entirely out of the question.

[@mme725]

Steve Mould should make a Mould mold, then full it with mold, so he can have a Mould shaped mold he made with his Mould-mold. Ol' Moldy Mould we'll call him

[@sandasturner9529]

@@Mionwang ok but I feel like it's too soon for me and I was referring to the traditional common bread mold and moisture latent mildew.

[@ebubeawachie]

This must be THE BEST sponsor segment I’ve ever seen on ANY KZbin video. And I’ve been a KZbin addict for the better part of 10 years. Kudos. ❤

[@thegrindfather]

fuck using 2 mins + on "sponsored" shit

[@throwawaypt2throwawaypt2-xp8nx]

sponsor block

[@Frownlandia]

The occasional "and you can do the same thing with cheese!" really sells me on the whole process.

[@KentonTyrie-p3v]

Right?

[@KingScienceShorts]

“The difference is remarkable” 😂

[@JohnJesus]

at least he's honest and shows why the difference is so remarkable

[@SuperRookie95]

Honest about what? We all saw that razor not do its job, right. I know I saw it.

[@amzarnacht6710]

@@SuperRookie95 That's because neither razer could have tackled quarter inch beard hair... period. One half of his face he lather shaved with ... something ... and the other half he tried to dry shave with a disposable. Like a moron. Completely destroyed any credibility his channel may have ever had. He just took a sheet straight out of the informercial handbook: Show someone using a different product in a way no human ever would and f*cking it up.

[@echonovember636]

@@JohnJesus More honest if he took the cap off the razor. LOL.

[@officialdezynafrica357]

@@JohnJesus just the cap 😂😂😂

[@NorfKhazad]

One note about the process, the voltage actually isn't very high. The wire EDM machines we have at work run at around 40 volts. The amperage is quite high however and would instantly overheat and break the wire if it weren't submerged. You can also stick your hands in the tank while the machine is running with no worries of electrocution because the deionized water is such a good insulator.

[@GogiRegion]

People really underestimate how much of a resistor pure water is.

[@Blox117]

this would be a good way to hide stuff. like sneaking things on an airplane

[@jackmclane1826]

... and it is only 40V, as you just said. Nobody ever was electrocuted with 40 V...

[@cherno8119]

​@@Blox117w... what are you planning to do with this info

[@m0nky89]

Would the water stay deionized if you put your hand into it, though. 😂

[@JohnDoe-yp3zv]

I've seen videos of F-22s and B-2s refueling in midair. One of the craziest parts of it is that the port for refueling seems to appear from nowhere. The nature of stealth aircraft is that you really can't have even small ridges otherwise you've compromised your stealth, so the closed port needs to be perfectly hidden with no visible seam. I wonder if it's the same process being used.

[@Prawnsly]

I will now start drilling holes in my blocks of cheese. Thanks for the cooking advice as always, Steve

[@McPebbster]

„We‘ve all done it!“

[@hakancarlsson2881]

I buy Swiss cheese. It's pre drilled!

[@Chlorate299]

Wire erosion _can_ be very accurate, if well calibrated and with the proper settings... I've personally had wire eroded parts delivered well out of tolerance before - it's like any other CNC machine in some respects. One of the really cool things about wire erosion, aside from the sorts of details and features you can make with it, is you can put very neat cuts through incredibly tough materials that traditional machine tools would really struggle with: hardened tool steel, nickel superalloys, tungsten etc.

[@ivysinistra]

it'd be very easy to make stuff like 123 blocks this way too. just grind in one dimension and let the machine handle the rest of it

[@joshuapowers4623]

I mean your first point is literally true for everything.

[@sychodellic3523]

Nigga who cares

[@All_SportGG]

Does anyone know how a brass wire can cut steel?

[@PedroJulianArroyo]

​@@All_SportGG Just a guess on my part. But I think the brass wire mostly carries the electric charge which is actually doing the cutting.

[@mikefochtman7164]

In a 'former life' worked on EDM machine that was used to remove broken studs from machine blocks etc. I always thought it was amazing how they could 'bore' out the broken stud, large enough to cut the stud from it's own threads (diameter of the thread root) and yet NOT damage the threads cut into the hole of the machine block. Some very precise stuff.

[@4f52]

Not trying to be annoying but why did you stop working with EDM? It seems such an interesting career for me

[@dud3655]

​@@4f52 Maybe he just didn't like it, was tiring, didn't pay well, stuff like that, Mark Rober quit being a NASA engineer to be a youtuber.

[@spvillano]

Well, one can cut to tighter tolerances, using similar methods. But, then one has to worry about sticktion, the damned thing welding itself while static and assorted other annoyances.

[@bnnett]

6:32 "The grain of the abrasion pattern fows seamlessly across the seam, and so it seems as though the seam can't be seen" 😂 Love it

[@drakonnos]

Ya know, I just bought a safety razor about 2-4 weeks ago, and after a small learning curve I love it far more than any proprietary multi-bladed razor I've ever used. Glad to see you on the old school train, Steve

[@Shadowserpant00]

i can't get one to shave a single hair off of my mustache lol. it's excruciating. I don't get it

[@caenir]

​@Nokami Gaming my first guess is angle. Ps, I'm about yo use one for the first time

[@jellezegers]

It's a bit tricky, but definitely worth it! It sounds cheesy, but combine it with a nice soap and brush and it transforms shaving from a chore into a fun ritual

[@DesidiosumCorporosumHominis]

​@@Shadowserpant00did you forget to put the razor blade in the safety razor? lol

[@Shadowserpant00]

@@DesidiosumCorporosumHominis are you asking if i had a blade in it? yeah, that's the part that made it excruciating

[@TheBoogerJames]

My dad has worked with CNC machines for years. We always had stuff like this around he made at work. The tolerances they work with can be super tight.

[@TheSacredCowtipper88]

Just what all men truly desire. Beautiful and *super tight* .

[@Kawka1122]

Tight, tight, tight!

[@ThomasAT86]

Yeee, have worked on CNC machines for around 7 years (+ 3,5 years training + 3 years in the office programing for such machines) and some of the tolerances were almost unbearable, especially when it came to things that were hard to work on...like special materials or long and small stuff, like for the production of medical stuff for blood draws and so forth. And even though I'm much more into biochemistry and such these days, it's still fascinating and I love to watch it.

[@jaewok5G]

but how was he at slicing cheese?

[@bradlyryxler]

I like your new half-shave looks~ it fits together nicely as if there were no seams at all!

[@bernds6587]

@Just Looking Damn, I'm melting!

[@Hallowed_Ground]

I didn't even notice until I read your comment lol

[@JM-oo3rb]

Haha. Over 7 minutes until I noticed that!

[@modalmixture]

The trick is that he completely shaved a copy of his face, cut it and glued it onto his first face, the n gave it a polishing pass so it looks like a single face.

[@nothinginteresting1662]

I was searching whether someone commented this before I do. Now I don't need to comment because it's not just me who thought so🤣

[@SyeedAli]

I came for the dance music.

[@WhiffTheRubbishEngine1869]

I would leave if EDM was played

[@Zarro0o0o]

​@@WhiffTheRubbishEngine1869MAN SHUT UP!!! 'FORE YOU MAKE ME DO SUM I'M GON' REGRET!!!

[@fowler_steam]

People that call certain music genres EDM are the same people that idolise sync button warriors

[@SB-ed4gz]

I work on wire EDM for living. I'm glad you picked out this topic, those perfect-fit parts are fun and eye-catching. I made one for myself

[@Zanaki113]

My coworker uses one, has me run it at times, is a really neat machine, except when the wire breaks mid part... lol

[@johndododoe1411]

Note that EDM is also a kind of really nice music .

[@wizdude]

i also came here thinking that Wire EDM was a new musical sub-variant of EDM. dammmmnnn 😥

[@VeganSemihCyprus33]

They are hiding this knowledge from you so they can keep you as a slave 👉The Connections (2021) [short documentary] 🙌

[@kevinspacey5325]

"top secret government job"

[@gnorts_mr_alien]

the metal parts were very confusing but the cheese analogies made everything crystal clear.

[@B-M.B]

Crystal clear as cheese.

[@dancollins1012]

mmmmm.... transparent cheese crystals.... yum

[@leroysanchino]

This is why cheese is considered a universal language

[@diabolicallink]

6:56 gotta love this channel. Informative and dry humor

[@patrickturner2788]

I had a WIRE EDM shop for 18 years. Did this type of work every day. It's been 20 years would love to know what cutting speeds are now. Back then 12 inches an hour was fast.

[@jacquelinesears1770]

i think you would know im a mold maker and ran sinker EDMs from the Pacific's from the 70s to the more modern cnc edm the speed increase is night and day

[@patrickturner2788]

@jacquelinesears1770 I also started out as a mold maker. That's when I began to specialize in sinker EDM. I ran a Charmilles D10. Then, I went to work for AGIE, where I learned wire EDM. Bought a wire machine from AGIE, and the rest is history. My first employee was a woman she could do it all.

[@jacquelinesears1770]

Its my wife's account i am a mold maker her husband sorry about that @@patrickturner2788

[@deanallenjones]

An amazing video. Quick word to anyone thinking of getting the razor. I bought a safety razor 17years ago and never looked back. 100 blades for about £10 and as Steve showed, you can take off days of stubble on one pass. Took the wife a little time to work out how to do her legs but she's got her own new. Regardless of what brands you buy its cool you can be environmentally minded, have a better product and it's cheaper

[@Ciph3rzer0]

Yep. Buy a safety razor, better in every way. Multi stage disposable razors are a masterful display of capitalist innovation.

[@DamagePerHour]

Genuinely thank you for making a video on machining stuff. We have so few people entering the work force and I hope this video inspires some kids to pick up the trade.

[@kennyjohnson26]

Idk why but the “fits perfectly” followed by the look Steve gave the camera at 3:01 made me laugh so hard 😂

[@gblargg]

He lingers the shot just the right extra amount of time.

[@cat_with_sunglass]

You know exactly why you are laughing Don't you?

[@hal-c]

Pretty cool. The "tricks" were pretty clear just from looking at the end result. I didn't know about Wire EDM though. I was wracking my brain trying to figure out how they got such precision with a CNC mill.

[@ExcaliburAero]

My dad works with wire EDM at his work, it's amazing to see just how PRECISE the cuts are. Literally within thousandths of a millimetre. In fact, i believe the cuts he makes at his workplace are even more precise than shown in the video. It's an outstanding piece of machinery.

[@mj47_dreamer]

Wow

[@jakefriesenjake]

I don't know if it was mentioned or shown in this video, but I believe you cut out the hole on main work piece. Then, on a separate piece, you cut out the plug, so it will sit super tight

[@ExcaliburAero]

@@jakefriesenjake yeah it’s something like that, im not 100% familiar with the technology but it truly is incredible stuff

[@Just_Hanging_Around73]

This channel is like therapy, the way you talk is super relaxing, you relay information in a really engaging way for me and the subtle hints of comedy just ties everything together perfectly. Thank you for all the great videos

[@tonyoliver2167]

I always thought of the possibility of invisible seams after seeing loads of cartoons on TV as a child where a trap door would open in a metal floor or a door etc. And thought "I wonder how possible it'd be to actually conceal a door in that way." But not with those exact words 😅

[@Dev-In-Denver123]

You know all those cartoons were based on Chicago's Hotel of Horrors. Look it up. The guy even had paintings with holes in the eyes to watch people.

[@radadadadee]

a true visionary

[@antoniograncino3506]

You did notice those blocks have a wire- brushed surface ? Helps to conceal joint lines.

[@Dev-In-Denver123]

@@antoniograncino3506 Of course we all did.

[@alnicospeaker]

The "portable hole" in a bugs bunny cartoon always intrigued me from a young age.

[@blaster-zy7xx]

I just want to comment how refreshing this is to have a channel that is educational, clever and interesting among the huge crap that has become the internet.

[@DraconaiAuracto]

I didn't know how much I needed to see the end results of a wire EDM until I saw this video on my frontpage. Your explanation of the process really makes it clear that an amazing end result needs an amazing process.

[@blackshard641]

Wire EDM was all the rage in the early 2000's club scene.

[@Basjuh1984]

My previous company used a custom developed wire EDM process to cut dozens of slots with micron-level accuracy, for use in electrical shavers. At some point they moved to newer techniques, but until a few months ago, these processes where still used for the low-end market and ran for decades. Very cool and robust process!

[@hardrockinhere]

1:49 I love how he went to the effort to drill a hole and feed a wire through the cheese, only for it to split in the corner immediately as he tried to cut it

[@michaelham2366]

Great video. And as a long-time shaver who uses double-edge safety razors, you are absolutely right about Henson Shaving's razors. I have two - AL13 and AL13M - and both are excellent. Extremely good design: if you don't have the right angle, nothing happens. (With most DE razors, if you don't have the right angle, you get a nick.) The Henson Shaving razor is both extremely comfortable and extremely efficient. I do recommend using a good shaving soap and a shaving brush rather than canned foam: that makes a big difference, even with a cartridge razor.

[@needamuffin]

I remember being very disappointed when I learned EDM works in two steps. It really removed the mysticism of the process and just turns it into "it's very precise" which has it's own merits but it's just not the same as thinking it's a single step.

[@volvo09]

The technology to practically have no waste material would be incredible.

[@Fantastic_Mr_Fox]

@@volvo09 Eh, wouldn't have much of an impact. What would be really cool would be two things: cheap, sustainable electricty (doesn't use a very limited resource as fuel and doesn't excessively pollute) and perfect recycling technology. We really need the former for the latter to be viable, otherwise it's economically unviable.

[@Shelleloch]

​@@Fantastic_Mr_Fox ... Are we reading the same comment?. The "waste material" they mention is the material lost in the cuts. If one wanted to have the inner piece to come from the same location of the hole as the original comment described, the cut would have to have practically no width, removing an imperceptible amount of material at best and also not deforming the metal like a stamping process does. This is impossible with current manufacturing techniques and will be for decades, at least in metal. Nothing to do with recycling or whatnot.

[@Fantastic_Mr_Fox]

@@Shelleloch I know, I'm just saying that in terms of actual waste it wouldn't matter much. I made a tangentially related comment about waste recycling, if you will. But yes zero waste manufacturing would be hella cool, not because of the zero waster part but because of the 100% accuracy part.

[@jannegrey]

A lot of EDM is dubstep. This is a joke.

[@banananarwhal6591]

".005's of a millimeter which in inches is a different number" 😂

[@calholli]

0.005 mm = 0.00019685 inches or 196/1,000,000 of an inch. lol or >2/10,000 inch AKA > 2/10ths of a thou ... It's precise

[@luToursAndRecoveries]

Damn😂​@@calholli

[@bobikbobikowy5458]

Who cares about inches. Noone i know use it😂

[@FutureEon]

Hilarious! That one-liner had me in stitches. It's the unexpected humor that truly brightens our days. I couldn't help but laugh out loud. Keep those witty moments coming, they bring so much joy. 😂👏🎉

[@offbeatj9er]

its actually crazy how long we've had this kind of precision, i'm not sure exactly when wire EDMs became a thing but i know that at my machine shop, we have a wire EDM from 1986 that still holds fairly good precision, yeah the ball screws are a little worn out from machine travel over the years but for never being replaced, we still hold .0005 inches tolerance with that old dinosaur

[@guytech7310]

Die EDM has been around since the 1940s. I believe wire EDM was developed back in the 1960s. There is also photo etching maching which is used to make very very small precision parts.

[@johndododoe1411]

​@@guytech7310Photo etching is still used for making electronic parts with insanely high precision, 1000 times tighter than EDM in the latest factories .

[@rockradstone]

"You first drill a hole in the cheese---we've all done it." 😅 I don't recall having done that. 🤔

[@randomviewer3494]

you should go see a doctor for your memory loss issues

[@JordanSugarman]

Oh come on. We're all adults here. No need to lie.

[@Teth47]

I remember when I was a kid, we'd get home from the grocery store and all gather around the table to drill holes n the cheese. Is that not a normal family activity?

[@rockradstone]

@@Teth47 If enough of us do it, then yes, it will be normal! 😉 Rumor has it the Swiss have been doing this for years.

[@diatonicdelirium1743]

Seriously? Never put a sheet of cheese into the hole puncher? Live a little!

[@glass1258]

I’m a machinist and I’m still wowed by seeing it and I make parts like this all the time lol . 😊

[@calholli]

0.005 mm = 0.00019685 inches or 196/1,000,000 of an inch. lol or >2/10,000 inch AKA > 2/10ths of a thou ... It's precise

[@gearloose703]

Interference fits are the worst. You never know and you should not really try either lol. Like if this piece had just a tiny fit, it would never come out.

[@higgs923]

Interesting. I made some things like that as toys during my decades in machine shop. You can hold some pretty close tolerances with conventional equipment if you're careful. Working in a controlled environment I was able to hold .00005" diametric tolerances on a Hardinge Toolroom CNC.

[@bofty]

I watched a lot of videos on EDM to figure it out and never could, this is the first video that explains it that I’ve seen. Great stuff 💯

[@ReinaDido]

3:13 I had to pause the video here and turn the definition up to the maximum to see that beautiful workshop in all its glory *-* . If I were a really good cartoonist, I'd do a super detailed illustration with every single object you see here, and the man in his work clothes, who, I'm sure, knows exactly where everything is. Oh, and the inevitable WD-40 can, like the Waldo of the shops full of things :)

[@OscarMSmithMusic]

I love that we have footage of Steve (or really, any human) ironing cheese 😂

[@jamesorendorff2284]

that's actually a sander. some of them are shaped like irons, presumably so that you can sand the insides of sharp corners

[@justin.booth.]

The shape is like that because it's a special cheese-optimised sander, only a fool would use a regular round sander to sand their cheese

[@MrJacquers]

@@jamesorendorff2284 Also referred to as a mouse sander, which coincidentally works well on cheese :P But please don't sand a mouse with it.

[@tomgidden]

Specifically, that's a Parkside detail sander from Lidl. Probably the same place he bought the cheese.

[@KrzysiekJakubiak]

5/1000 of a millimeter, which is a different number in inches. I laughed there, thank you!

[@thunder852za]

"Which in inches is a different number." Has to be one of my favourite comments on KZbin for at least a few months! XD

[@fnanfne]

I saw EDM tech years ago and was also blown away just like you Steve. Went and looked for "how it's made" videos but have never appreciated it as much as I do now. Thanks for the video, always so informative!

[@eismcsquared]

My old man told me the story of his engineers apprenticeship (1930s)when an exam required him to make an octagonal block and octagonal key. His tutors informed him that the finished piece was an incredible 99% mark awarded. He went on to become a principle examiner in the patent office.

[@stepheneyles2198]

These blocks and your old man's apprenticeship reminded me of my apprenticeship, back in 1984! We had to cut a 2 inch cube of steel across the diagonal BY HAND (it took about two weeks!), then hand-finish the surfaces using a technique I don't remember the name of. In the end we had made ourselves a 'lifting block', which still works to this day! As it's kept carefully wrapped in oily paper the surface has been preserved thankfully! Certainly something to hand on to the grandchildren (when they arrive!)

[@barcodenosebleed5485]

​@@stepheneyles2198 was it hand scraping? Kinda a long chisel-like thing and you end up getting a really unique looking finish pattern that's almost iridescent? Seems like it would be the kind of technique to incorporate on a masterpiece project.

[@JohnDlugosz]

@@stepheneyles2198 What exactly is your half-cube used for? I Google "lifting blocks" but only see pulleys.

[@bobbing4snapples]

@@JohnDlugosz it sounds like he's talking about an adjustable parallel?

[@RageXBlade]

@@JohnDlugosz It sounds like this could be some odd name for a Gauge Block considering the apparent need for precision, storage conditions, and mention of the surface finish of the face being important.

[@SinusHealth]

I purchased 2 of these MetMo Cubes back when they were 500+ USD each and I LOVE them to this day :D They're now a lot cheaper, nearly half-off... WOW! Please consider purchasing your own you sooo won't regret it hahaa... i strongly believe in this company's products and want to see what else they come up with :D

[@vanderkarl3927]

1:22 "Like when I heard that these were made by a process called "Wire EDM" I immediately got distracted by what I assumed that must mean." Right! Wire Electronic Dance Music! "It's like a cheese wire." Oh...

[@kokroucz]

This channel helps preserve that child like curiosity. I'm 35 and for years now I'm always smiling seeing new video. Part of it is obviously chosen topic but Steve is arguably the most important thing here. I mean guy's hot wiring a cheese and somehow it's not only incredibly interesting but is teaching a lot. He's a perfect 90's children science tv program host. And it's 90's specific because back then science programs were actually designed for all ages and in some cases like in my country "health and safety" were only considered when you WILL actually die if you dont use let's say rubber gloves.

[@russellwheeler2760]

"Which in inches is a different number" hahaha brilliant!

[@calholli]

0.005 mm = 0.00019685 inches or 196/1,000,000 of an inch. lol or >2/10,000 inch AKA > 2/10ths of a thou ... It's precise

[@DemPilafian]

@@calholli Ugh. *Decimal inches are an abomination.* If you’re going to use inches, they should at least be proper imperial fractions. *0.005 mm = 3/16,384 inches*

[@ContraVsGigi]

I wonder how this compares to a laser water cutting machined one. I would imagine the same precision cutting can be obtained with that technique, too, but without even needing the drill hole. Would love to see such a comparison.

[@AlexE5250]

I am currently in engineering grad school and I use EDM for my research! I test the fracture toughness of additively manufactured alloys, and I use EDM to cut a very narrow crack into the specimens I test. We use a wire that is about 100 microns (0.004 in.) thick, and it gives us a crack width of less than 110 micron. So very cool to see Steve talk about it. Our machine isn’t as fancy as the one in the video. It doesn’t tilt the wire for one, but it’s good enough for our purposes.

[@Liggliluff]

What's a micron?

[@mackk123]

about 1/100th the diameter of your hair

[@KeithKropf]

@@Liggliluff one millionth of a meter

[@g1zm02k]

Absolutely fascinating stuff, thanks Steve! As soon as I saw the razor connection I thought you'd missed a trick by not using that as a sponsored segment - absolutely seamless segue by the way, a work of art!

[@PurajitMalalur]

Great shots and demonstrations with the cheese! One nit about the styrofoam wriggle room: that one's likely because you're cutting it by sublimating a bunch of the material with a hot wire, so a decent portion of it simply doesn't exist anymore, and that would happen on the outer edge and inner edge, causing a good amount of lost material.

[@noodlesthe1st]

The same would happen if you were trying to use wire EDM with the same method which is what he was showcasing.

[@Nicalissimo]

Great video, even followed up by buying one of the razors you were endorsing. I have a safety razor that cuts if the blade is not angled perfectly. Henson seem to have solved this issue. Thanks Steve

[@sammikinsderp]

Really cool! I've seen videos about these sorts of precision cut blocks of metal before, and I looked briefly into wire edm, but I'm glad you explained it more concisely. You're probably my favorite educational youtuber, and I watch MANY.

[@shaunhayward]

"Which, in inches, is a different number." Hilarious! 😀 Great video, as always.

[@calholli]

0.005 mm = 0.00019685 inches or 196/1,000,000 of an inch. lol or >2/10,000 inch AKA > 2/10ths of a thou ... It's precise

[@MrErViLi]

There are videos on DIY wire EDM's you can build at home. They're not as precise as commercial versions but still incredibly accurate.

[@1414141x]

Steve. I watched your video because I have always been fascinated by the EDM process. I remember an engineer friend of mine had a 3" cube of metal on his desk. It looked solid but he said look up at it between the ceiling lamp. Sure enough all though it looked solid it had hundreds of holes through it. That was a lump of titanium that had been eroded with EDM rod. Great video but I think it would have benefited from a few pictures of the EDM process where it shows the thousand of sparks going along the wire to best show how the electrical spark generation hits the metal it is cutting. It's an amazing process.

[@toastyeeter]

If I had one of those cubes I'd literally be playing with it so much I'd forget to eat

[@robinbennett5994]

You need one made from cheese!

[@toastyeeter]

@@robinbennett5994 I'm lactose intolerant lmao

[@kikones34]

@@toastyeeter aged cheeses barely have any lactose left in them

[@gblargg]

They probably cost as much as many meals.

[@KeeliaSilvis]

1:46 "You first drill a hole in the cheese, we've all done it" I don't know why but that line & dry delivery made me SCREAM with laughter. Like, we had to pause the video and I had to forcibly calm myself down bc I was starting to scare the cats 🤣🤣🤣

[@weevilinabox]

The gap at 2:50 actually corresponds to to the diameter of the wire plus two times the spark gap, i.e. the distance the dose to jumps. The spark gap is small, but for this level of precision, it will be taken into account.

[@mastpg]

Will definitely look back on this video as the point where Mould started spinning out of control with his "everything can be demonstrated with cheese" mental abyss. All the great ones go insane.

[@lunaponta594]

6:52 steve your humor is getting better each time, i laughed many times throughout this video, definitely more than once! that was amazing. edit: the comedic time is getting way better too, the cut after the inches joke was perfectly made, with the level of precision as great as the ones in the metal.

[@Steve.Garrison]

Awesome precision and how the wire edm works. A scroll saw with a spiral blade can make similar cuts in wood that aren't possible with a conventional flat blade. I have a video of a set of nesting helixes that are all cut from the same cylinder, the inside pieces are removable and are completely enclosed except for a thin slot along the edge - no gluing involved. I think it would be really cool to make one with a wire edm machine from metal. Keep up the great videos!

[@NoodleBear]

I've been really curious about those invisible seam metal pieces. I've been seeing them a lot in damascus knife forging videos (some absolutely insane effects can be achieved that way). Love your videos and thanks for the new info ❤️

[@RobertFletcherOBE]

ive been trying something similar by layering differnt types of cheese

[@Sinoxa2]

Have been using Henson Shaving for years: It's a fantastic product.

[@jb76489]

I love the dedication Steve showed to his cheese analogy

[@BoyProdigyX]

I assumed that's how they were made, but I never thought about the awesome level of precision involved! So cool!!

[@burgerjointgame]

great explanation! I've always wondered how these were made. It's really cool that you got a block that shows the cut piece. Awesome video!

[@onixtro]

I need to pay respect to your sutil yet deep sense of humor. Amazing and dark. would love to hear you talk about the world out of a censored platform.

[@Sitslikeinu]

Yes, the most difficult part is getting the kerf correct. The kerf being the with of the cut. The cut has to compensate for the width of the cutting tool.

[@KirstyTube]

Quite a bit more advanced than my metal work apprenticeship. Manually machining parts to 0.01mm is fun / therapeutic and also stressful. Looks amazing when you get it right though, invisible interference fit retaining pins etc.

[@anthonymercuri8885]

The commitment to recreating every step with the cheese analogy 😂

[@shilombaba]

6:55 *"which in inches is a different number"* And that's all the care we should give about the imperial measurment mayh... system.

[@DeadbeatDuder]

Based

[@__-pl3jg]

6:38 - "Look, you can achieve the same thing with cheese" ...Proceeds to run an orbital sander over a block of cheese 😂

[@glowerwur3305]

6:45 "A typical wire edm machine will have a precision of about 5000th's of an mm, which in inches is a different number" Steve Mould 2023, also did anyone notice how he shaved half of his beard at the end of the video?😳

[@JOKBO1]

Yes! Most people seems to have missed that.

[@theCuchuoi1]

Henson is great, I'm so glad you pair up with them. Also, I'm very curious about their machining to get such a precision, so if there's a how it's made style video that'd be awesome!

[@amzarnacht6710]

After how badly he bolloxed the presentation I will never even CONSIDER that product, period. And will warn any and everyone away. When they resort to informercial idiocy to showcase a product you know that product is not even worthy of one star.

[@theCuchuoi1]

@@amzarnacht6710 I have to disagree. I actually had one of their, the AL13 to be exact. A bit hefty on the price, and they don't have a counterweight on the bottom, making it kinda tip heavy, but it's the smoothest razor I've tried so far

[@amzarnacht6710]

@@theCuchuoi1 It's not the product, it's his HENOUS presentation of it. So bad it made informercial hokery look positively legit. And I've still got my father's razor that he used during the Korean war. Works just as well as these things despite being 50 years old.

[@torinireland6526]

@@amzarnacht6710 He's got pretty long stubble - so long I'd call it a beard - and showed trying to use a multi-blade cartridge razor on it totally dry / with bad technique. Can confirm that works about as well as displayed... which is to say it doesn't. Seems to me everything he said was technically true... he didn't specify he used the cartridge razor with proper technique or lubrication, and he definitely didn't say anything was equal between the two tests, he just said he used the cartridge razor on the left and the Henson on the right. Nowhere was it said that the test/demonstration was fair or standardized. One does not simply assume that anything will be done fairly. Life is unfair by default. Furthermore the presentation isn't as misleading as it might seem at first glance... there *is* a night-and-day difference between a safety razor, like the Henson, and a multi-blade cartridge razor when shaving facial hair that long. With my safety razor I can do it in one, maybe two passes, and with the Henson in particular it doesn't take much rinsing to wash all the hair out of the head... with the cartridge razor it would take many, many passes and lots of extremely thorough rinsing, and at the end you'd still usually be stuck with a somewhat clogged razor cartridge.

[@katynewt]

Really appreciate how totally unbiased your razor comparison was with the cover left on the "branded" one... 😏