We used to have factories all over Melbourne making all this sort of stuff, with Australian made machinery. This is exactly the type of factory you could see in Dandenong, Moorabbin, Cheltenham, Braeside, and the list goes on and on across Melbourne, and indeed, across Australia. Then our politicians sold us out, with lowering and then eliminating tariffs that protected Australian jobs against the difference in labour and currency exchange. Now you get to watch the industries we used to work in on YT, and what was once our kids employment future, being done in China. Our factories are now warehouses for Chinese imports, and owned by Chinese. I love watching and indeed doing this type of work, however, it also breaks my heart to see it on YT now as a historical record for us. It wasn't only the factory workers that had work, it was the Receptionist, the BookKeeper, the Sales guy, the delivery driver, the cleaner, maintenance people, the local lunch shop that employed that extra Mum for the lunch rush, it was the flow on effect of making those nuts, that gave people purpose, employment, wealth and pride, knowing they were probably going into an Australian made ship, bridge, crane or even exported for our high quality standards. Manufacturing was the lifeblood and pride of our country, the little fish in a very big pond, we were big hitters for our size, till our politicians, as I said earlier, sold us out to foreign interests for their own personal gain. Australia had absolutely nothing to gain from it, only the politicians, corporations and banks had wins out of it. I worry for our kids future, as we've lost so much more than jobs. These were the factories where you could prove yourself, gain self respect and respect from others, learn new skills, be rewarded for your efforts, we developed lasting friendships, we met girlfriends, sometimes even wives, we had community in those workplaces. Now we grapple for part time/casual meaningless jobs, where we can be moved on at a moments notice, reliant on online dating apps to meet people, and buying online crap because you can't get it locally anymore, as it's all imported now. It's only one spoke in the wheel of this story though...
You can't blame it all on the Government. A lot has to do with the "comfortable" Western lifestyle. These bolts made overseas are made with a workforce that work long hours, 6-7 days a week, very little OH & S, no sick leave, no paid holidays, no work cover etc. So they can make the bolt for say $0.05 each, but to make the same bolt here in Australia when you add in public holidays, weekends, annual leave, minimum wage, work cover, OH & S, payroll tax, GST, maternity leave, (I'm sure there is more) it costs $1.00 to make the same bolt. Where do you think the end user is going to buy his bolt?
@@ricbarker4829 It is lack of morals. You DO NOT negotiate or do business with people that violate standards and don't play fair, such as the Chinese, whose government is a Communist one. If the world was full of honorable, decent, honest people, this would not have happened.
There has to be a give and take in the global economy for it to make sense for everyone. Australia had been selling coal, steel and wheat to China for long without China selling anything back to Australia, and when the Chinese woke up and demanded a share of the manufactured goods market, Australia simply had to remove those tariffs to protect other jobs in agriculture and mining, there simply wasn't any other choice, otherwise China was going to buy wheat and coal from S.America and then Australia would have egg on their face!
Nice video. One suggestion would be to turn the music down a bit. I reckon that people that watch manufacturing videos are more interested in the process noises than the music.
Hard-working Koreans! They're getting the job done! Looks like the guy making the socket head bolts on friction screw press has the hardest job. Kudos to him!
@@тюленище ..ya its just small details of not being able do what u want, being free, choose ur own path etc...minor details... if the gov say jump - u better jump or u will end up in a factory stamping nuts for the next 25 years... ruskie on the fast track to becoming the new north korea...
@@com97anche - согласен насчёт размера, а вот оборудование не УСТАРЕВШЕЕ, оно рабочее и соответствует выполняемой работе и требуемому качеству. Для самолетов конечно гайки не поточишь здесь...
@@victbass4792 Просмотри еще раз... Единственно что там более-менее - револьверный (с кнопочками ПУ). Вообще-то для этого в СССР стояли автоматические линии. А такие мелкие партии метиза производились на вспомогательных производствах, примерно на таких же станках - 50 ЛЕТ НАЗАД!
@@victbass4792 Это скорее всего для всяких мостов и других металлоконструкций, там не требуется очень высокая точность. насчет оборудования соласен, оно выполняет свою функцию и это нормально. А избыточная автоматизация тоже не есть хорошо, людям работать надо, а где им работать если 99% работы будет делать автоматика ? Да и слишком дорого будет стоить такая автоматика.
Северная Корея судя по обстановке.Перчатки и метчик это супер. Затянет и никто не поможет пока не размотает на куски медленно.Лучше без перчаток кусок кожи оторвет пальцы поломает но рука останется.У нас на заводе шестигранный пруток в станок ЧПУ и он делал такие гайки по 1000 штук в смену. Резцом нарезал сам мерял и корректировал оператор тока прутки в магазин ложил.Метчиком нарезать такую резьбу в массовом производстве не выгодно метчик быстро сядет. 200+- деталей и новый надо.У работников нет очков защитных от ИК лучей. Катаракта гарантирована всем после 5 лет такой работы.
да уж... мало чем отличается от пакистанских видео. пыли только поменьше. А на ТБ и корейцы забили. Тащит краном рваную бочку кг на 100+ и ноги под неё суёт в кроссах. точно пальцы на ногах лишние. Где обувь, очки, беруши (TWSы не в счёт), спецодежда? перчатки... это надо показывать у нас на заводе в качестве примера "как не надо делать"
Easier access to the surface means you can apply more force in a specific manner. Rolling external threads it is more efficient because you lose less material and can make more bolts with the same amount of stock. Truly manufacturing has become a game of stacking efficiencies.
@@Galaxy-EyesEnjoyer Ha. I guess I am an old beard without the beard. Rolling the threads instead of cutting them is akin to forging. Cutting interrupts the grain of the steel. My opinion of course. Appriciate you responses. Good to see folks interested in the same as me.
Ich glaube, das ist ungefähr der Stand an Arbeitssicherheit, den wir in Deutschland 1960 hatten. Die Arbeiter arbeiten hart und sind talentiert. Sie haben einen besseren Schutz verdient. Ich finde es schlimm, dass Menschen heutzutage noch unter diesen veralteten Bedingungen schuften müssen.
& t=14:26 proof that several accidents did happen in this factory. Maybe welding or inserting two flat rings to barrel can prevent this. Anyway, respect for people doing real work.
Yes but using 1/2 tar barrels to lift such weight without any strengthners where the lifting holes are is mad. I see one such barrell which had torn thru and still in use with new holes, Also the guys moving the cranes about are walking over obsticles as they work. Really safety needs to be improved a bit. A tidy of the floor, Proper containers not tar barrels, and I see one person walking on top of rounded steel at height. It wouldnt cost an aufuff lot to make the workplace a whole pile safer, while still using the same procedures.... Just safer
Что то я прям залип при просмотре видео. Завораживает процесс......... А присмотришься всё как и у нас, в России. Те же бочки обрезанные под продукцию, те же лица работяг (только чуть прищуренные глаза) и тот же лютый оскал капитализма. Пролетариат он и в Корее, пролетариат.
The machine shop I worked at had us use a go/no go gauge when we would tap or thread anything. We will go get a new tap or die when the go gauge would work. Judging by some of those having missing teeth I would say they don't change them too often but who knows you may not show every step of the way in this video
I used to sell taps. Something that big (over 1" in diameter) would get dull after doing hundreds of parts, maybe one thousand. However, the taps can be resharpened. This is old technology. These days maufacturers use CNC machines and carbide thread mills of roll taps (cold forming).
@Laura Reiser high speed steel must be run at much slower RPM's than carbide. Yes, if you ran them faster, they would burn the cutting edge. The surface feet per minute is constant and just looks skower on larger taps.
>Working with overhead lifting equipment without hard hats. >Working with open face ovens without face shields. Because what could possibly go wrong, right? >Wearing cotton face masks just for... reasons, you know.
I love videos like this, but this one makes me wonder if creating the steel and then forming it into 1" or so rods and then cutting the rods and once again melting those cut pieces so as to make big hex nuts could not be made with only one melting. I also like how each nut is tested on a threaded rod, something I know is not done for the small size nuts and bolts I buy, some of which simply do not thread properly.
So from a steel mill (with a rolling mill) you can get bar stock, billets, rod (like this), sheet, plate and rebar. With those, you can make thousands of things. They just don’t make enough of these to put the factory near the steel mill to have hot rod ready, and it’s not efficient for this factory to make their own rods.
@@jakeharris9075 There's a lot more to this than meets the eye. The metallurgical properties are very important to making nuts and bolts that can meet the specifications for strength. There is a big difference between "melted steel" and steel formed when it is red hot. In a rod mill, they start with molten steel cast into billets. Typically these are square shapes formed anywhere from about 6 inch square to somewhat larger or smaller. But these are cast, and formed directly from molten steel. The billets then get reheated to red hot and are "rolled", meaning that they are stretched, elongated and compressed under shaping rollers using high pressures. The rolling process is key because it aligns the molecules within the steel, which greatly improves the overall strength. This is a continuous process and a 20 foot by 6" billet will be squeezed down to form the round bar you see in the video. As the billet gets squeezed down and shaped it becomes longer, so at the final stages, that round rod is flying through the machinery at high speed, while the billet may still be in its original shape and moving much more slowly. It's pretty amazing to watch this red hot "spaghetti" zooming along a long roller track. In some cases that rod may be coiled up, but in this size they are usually sawed off to length as they are moving down the line. Once in this rod shape, they are often heat treated to adjust the hardness and other properties. Also very critical is the exact formulation of the molten steel with different alloys. Very small fractional percentages of various metal alloys will make a huge difference in the metallurgical properties. (Steel is not a generic material) As the rods are cut into slugs, reheated and forged into the basic shape, the temperatures and amount of displacement in the forge, are all important variables that add up to the final metallurgical properties. As the threads are cut, a form of "cold forming" takes place, which also contributes to the final properties. The process itself is highly engineered to achieve the final desired properties that meet the specifications. Again, much more going on here than meets the eye. You can make nut that look just like this, but I wouldn't trust them on a big structure. You can find videos of Indian, Pakistani and other countries described as "How nuts are made", but they look nothing like the process you see here. Typically, they are some little "mom and pop" shop using chucks of rebar or junk steel. They heat it up in a very much uncontrolled fashion and then get handed to the next guy who stamps it in a big hammer forge. Then they cut the threads by hand. The trouble is that side by side, you probably can't see any difference. But one is a real, high specification nut and the other is a piece of shit!! 4 or 5 guys working in one of these little shops can probably make several hundred or more nuts in a day. But if you want to buy the high grade 2" nut produced in this video, you'll pay around $30 each. Those 4 or 5 guys combined don't even make $30 together for a long day's labor. And their processing costs are some gas to fire their small reheat furnace, some scrap steel and some 100 year old forge they bought at scrap prices. So I think you get the picture. The little shop probably makes a nut for 50 cents, maybe a dollar, but passing it off as the real thing has a huge profit margin. If you are doing some little shelving project using 1/4 -20, grade 2 bolts, you probably wouldn't know the difference. But imagine putting a bridge or building together with this cheap shit!!! And in big lots, there are millions of dollars to be made selling the low quality, counterfeit fasteners. It's a serious problem. Ironically, in their home countries, they use this cheap, sub-standard shit every day. We really shouldn't allow these third world countries to even participate in this market. But because of the money involved, somebody would find a way to cheat the system. With many large contracts today, the contractor may be assigned to supply the fasteners and some dumb ass bean counters who are supposed to watch it, may never catch it. Well engineered projects must have measures in place to ensure the quality of the materials meet the specifications. So, in answer to your question, you don't want to shortcut the processes involved without fully understanding the implications. That is essentially what these third world shops do. The Koreans, (South), have some excellent engineers and large industrial processes. Most of what they learned and the technologies they use, came from Japan. Koreans are very good at steelmaking and have good quality control. But they have some people in business who are no beyond looking for easy profits. Not so long ago, some Chinese steelmakers were shipping cheap Chinese steel to Korea to essentially be rebranded, as a way to get around tariffs on some steel products. I have little doubt that some very large steel consumers may have been involved in the ruse or at a minimum. looked the other way. Steel can be pretty forgiving and it's an inherently very strong material. But certain applications rely on the engineered material properties being what they are supposed to be. Years ago, many things were overbuilt to a large degree. That made sense when the materials used were not precisely made. But in modern times, designs take advantage of the very specific material science and the properties associated with them. The very high performing materials need to be made to exacting specifications. But by using these, the total amount of material can be much less. Lots of advantages to using less of very high performing materials. But the materials need to meet the specs or the design may be compromised. Critical structures are still over engineered, but to a much lesser degree than they once were. Modern engineering tries to build redundancy into designs and avoid single point failures. But assemble a bridge or building with substandard fasteners and you can create multiple failure points that may well go unnoticed.
суперклевый завод где изготовление гаек поставлено на конвеер, по перемещение между цехами происходит не в специализированной таре предназначенной для этого а в отрезанных бочках. боюсь представить что у них внутри завода, если на видео такое уже попало.
There are different grades of steel for different grades of bolts. We used A36 bolts and "high strength" A490 bolts. "Allen head" bolts are some kind of high strength steel better than A36. I think grade 5 bolts are A36, while grade 8 are higher tensile strength steel.
Do you still in Bolt N Nut field , Our factory professional in Bolt and Nut more than 20 years in HanYan China , Is any chance we supplier to you ? Thank you
I would never have thought that the bars were cut with a saw. I thought she was cutting herself with scissors. The cost of operating the saw must be at least 10 times higher than the cost of dividing the material by cutting with scissors.
An interesting process for the production of large-sized hex and hex head nuts and bolts. This specific copper hammer is for display, but if it's effective, it's in its place in production. The process of upsetting steel is also interesting, greetings 😀.
16:12 Yeah, that copper hammer was interesting. I wonder what the purpose is for? Perhaps not to mar the steel as I suspect copper being softer? Softer and less impact on the human using it? No spark? Interesting.
I was wondering too. But after seeing the next step, I realized what he was doing. He is setting a centering point on the other end of the bolt, to center the bolt in the lathe.
@@frischerfisch2528 Hi. Oh, I understand the center point for the lathe. I was just curious why use a copper hammer instead of a steel hammer. That's all.
40 лет назад и я так работал. Только у нас с техникой безопасности получше было: тара для деталей была стандартная, регулярно проверялась на грузоподъёмность и вместо чалок проволока не использовалась. Не было ЧПУ, но и не было таких архаичных прессов и станков. И уж, конечно, таких рваных бочек не было. Иными словами социализм плюс феодализм равно корейский капитализм.
Суажи кому что 50 лет назад станков с чпу в ссср было больше чем ву США -не поверят..... А они как инопланетяне в цехе рядами стояли.... Непривычные по виду...
I understand the reason for rounding over the edges on bolt heads and nuts but it’s sometimes overdone. I’d rather have a very slight roundover for better grip even if it limits off-angle driving.
너트나 볼트 만들때 재료를 먼저 톱으로 자르는데 먼저 가열하고 프레스로 절단하면 안될까요. 공정과 공정사이 모든 작업을 손으로 옮기는데 힘도 많이들고 사람도 많이 필요 할것 같음. 달궈서 가공한 반제품을 자연 냉각 시키는데 그열을 원재료 예열용으로 쓰면 어떨까 함.. 돈 많이 벌어서 좋은 시설에서 작업했으면 좋겠네요. 애국
I see that water is poured over the white-hot pieces of round metal when they are forged into hexagonal parts. Why doesn't this produce a big cloud of steam?
Impressive respect for the very hard working Korean people here for sure. I bet there are many injuries here...lots of questionable working conditions (poor housekeeping), questionable practices and workplace tools such as the transporting containers, their crude lifting holes for crane chain hooks, very little safety guarding on processing equipment. The USA OSHA would have a field day here resulting in shutting down the factory until safer work practices and safer working conditions are implemented.
I don't think so. They know what they do. Experience and routine and as I see it enough time given to do the job properly reduces risk. Usually unskilled stressed people are in danger. All the protective measures make work less enjoyable (my opinion). I didn't see a superviror with a whip.
14:22 Cringing as I'm watching guy hoist this absolutely fubar'd drum around without steelcap shoes...a single bolt would crush toes let alone the entire drum!
This is where Automation makes perfect sense. There is simply too much handling of each piece over and over again. Even just to put a little stamp on each nut makes no sense when it could have been stamped when the nut/hex was first formed. The steel shot cleaning wouldn't have adversely affected any stamp marks. There is just too much repetitive manual handling that could easily be eliminated with the proper machinery. It would still require humans to maintain the equipment so few would lose jobs in the long run but the automation would make these nuts much faster and more accurately. I say the latter after watching the Threading which was often on an angle (not perpendicular to the nut face).
@@realemonful my time in Korea says that the chaebols don't really give a shit about safety and accidents do happen to these men and they are basically maimed for life... I literally watched a man lose his left leg from the knee down in front of me when a stock rack finally cracked out.
I prefer without music, only mechanic sounds
My thoughts exactly.
Totally agree with you. when I watch these types of videos or wood turnings, I like to hear the sound of the tools and machines, not music!
The workers prefer music
@@Dankboi420 But they probably don’t care about music in videos.
No hate on classical music...
We used to have factories all over Melbourne making all this sort of stuff, with Australian made machinery.
This is exactly the type of factory you could see in Dandenong, Moorabbin, Cheltenham, Braeside, and the list goes on and on across Melbourne, and indeed, across Australia.
Then our politicians sold us out, with lowering and then eliminating tariffs that protected Australian jobs against the difference in labour and currency exchange.
Now you get to watch the industries we used to work in on YT, and what was once our kids employment future, being done in China.
Our factories are now warehouses for Chinese imports, and owned by Chinese.
I love watching and indeed doing this type of work, however, it also breaks my heart to see it on YT now as a historical record for us.
It wasn't only the factory workers that had work, it was the Receptionist, the BookKeeper, the Sales guy, the delivery driver, the cleaner, maintenance people, the local lunch shop that employed that extra Mum for the lunch rush, it was the flow on effect of making those nuts, that gave people purpose, employment, wealth and pride, knowing they were probably going into an Australian made ship, bridge, crane or even exported for our high quality standards.
Manufacturing was the lifeblood and pride of our country, the little fish in a very big pond, we were big hitters for our size, till our politicians, as I said earlier, sold us out to foreign interests for their own personal gain.
Australia had absolutely nothing to gain from it, only the politicians, corporations and banks had wins out of it.
I worry for our kids future, as we've lost so much more than jobs.
These were the factories where you could prove yourself, gain self respect and respect from others, learn new skills, be rewarded for your efforts, we developed lasting friendships, we met girlfriends, sometimes even wives, we had community in those workplaces.
Now we grapple for part time/casual meaningless jobs, where we can be moved on at a moments notice, reliant on online dating apps to meet people, and buying online crap because you can't get it locally anymore, as it's all imported now.
It's only one spoke in the wheel of this story though...
so the australian government is pro capitalism and free trade?
You can't blame it all on the Government. A lot has to do with the "comfortable" Western lifestyle. These bolts made overseas are made with a workforce that work long hours, 6-7 days a week, very little OH & S, no sick leave, no paid holidays, no work cover etc. So they can make the bolt for say $0.05 each, but to make the same bolt here in Australia when you add in public holidays, weekends, annual leave, minimum wage, work cover, OH & S, payroll tax, GST, maternity leave, (I'm sure there is more) it costs $1.00 to make the same bolt. Where do you think the end user is going to buy his bolt?
@@ricbarker4829 It is lack of morals. You DO NOT negotiate or do business with people that violate standards and don't play fair, such as the Chinese, whose government is a Communist one. If the world was full of honorable, decent, honest people, this would not have happened.
@@ricbarker4829do you not understand how tariffs work?
There has to be a give and take in the global economy for it to make sense for everyone. Australia had been selling coal, steel and wheat to China for long without China selling anything back to Australia, and when the Chinese woke up and demanded a share of the manufactured goods market, Australia simply had to remove those tariffs to protect other jobs in agriculture and mining, there simply wasn't any other choice, otherwise China was going to buy wheat and coal from S.America and then Australia would have egg on their face!
I love watching Korean factory videos with very hard working people.. It's nice to see the nuts and bolts of the operation! .
How many rips in the barrel before they get replaced,14:30 and is he putting in a center hole at 16:00?
기초가 무너지면 미래가 없습니다 이런 중소기업 들의 노고가 담긴 유튭 항상 응원합니다
Nice video. One suggestion would be to turn the music down a bit. I reckon that people that watch manufacturing videos are more interested in the process noises than the music.
classical music over factory is the most beautiful thing i've experienced
Pls believe in Jesus
Agreed!!!!!!
nice job. different sizes of these bolts and nuts are used in almost all the devices. one of the biggest inventions of humankind
Why the music? The natural noise of the manufacturing process is all you need.
Hard-working Koreans! They're getting the job done! Looks like the guy making the socket head bolts on friction screw press has the hardest job. Kudos to him!
I want to buy the gut @14.22 a pair of safety shoes.
...i guess ther no shortage of workers in Korea lol.....
is this North korea?....
i doubt many ppl at this factory can spell to safety...
@@Patrik6920 Spelling as in like your spelling?🤣🤣🤣
@@Patrik6920 в Северной Корее о безопасности рабочих заботятся гораздо больше.
@@тюленище ..ya its just small details of not being able do what u want, being free, choose ur own path etc...minor details... if the gov say jump - u better jump or u will end up in a factory stamping nuts for the next 25 years...
ruskie on the fast track to becoming the new north korea...
It's nice to see the nuts and bolts of the operation! 😁
부산 사상구 감전동에 있는곳이네요~
Трудоемкий процесс.Интересное видео.Благодарю!
Древняя технология, устаревшее оборудование, мелкие партии метиза среднего размера...
@@com97anche - согласен насчёт размера, а вот оборудование не УСТАРЕВШЕЕ, оно рабочее и соответствует выполняемой работе и требуемому качеству. Для самолетов конечно гайки не поточишь здесь...
@@victbass4792 Просмотри еще раз... Единственно что там более-менее - револьверный (с кнопочками ПУ).
Вообще-то для этого в СССР стояли автоматические линии. А такие мелкие партии метиза производились на вспомогательных производствах, примерно на таких же станках - 50 ЛЕТ НАЗАД!
@@victbass4792
Это скорее всего для всяких мостов и других металлоконструкций, там не требуется очень высокая точность.
насчет оборудования соласен, оно выполняет свою функцию и это нормально.
А избыточная автоматизация тоже не есть хорошо, людям работать надо, а где им работать если 99% работы будет делать автоматика ?
Да и слишком дорого будет стоить такая автоматика.
@@victbass4792 Паровоз тоже выполняет свою работу. И "Запорожец" едет...
07:37 Absolutely beautiful work
Yes, it's hexcellent work. Those nuts and bolts look absolutely hexquisite.
중소기업의 무궁한 발전을 기원합니다! 안전사고 예방의 기본 원칙! 안전장구 착용을 생활화 합시다!
Трудоемкий процесс.Интересное видео.Благодарю!. It's nice to see the nuts and bolts of the operation! .
"Sir? We need a new carrier to transport the nuts and bolts." "Aw, just cut an old barrel in half. That'll work." And it does! Cool.
It has to have the holes flame burnt/cut as a drilled or sawn hole will tend to start tearing far sooner.
Innovation
Innovation
Outstanding video. I use some of these larger nuts (for 1-1/4 size rod) and It's great to see exactly how they're made. Thanks for sharing
that's what she said
Absolutely beautiful work. There is something about precision steel working like this that speaks about the industrial heart of a country.
6:53 i like how they use their own nuts to make things work
Северная Корея судя по обстановке.Перчатки и метчик это супер. Затянет и никто не поможет пока не размотает на куски медленно.Лучше без перчаток кусок кожи оторвет пальцы поломает но рука останется.У нас на заводе шестигранный пруток в станок ЧПУ и он делал такие гайки по 1000 штук в смену. Резцом нарезал сам мерял и корректировал оператор тока прутки в магазин ложил.Метчиком нарезать такую резьбу в массовом производстве не выгодно метчик быстро сядет. 200+- деталей и новый надо.У работников нет очков защитных от ИК лучей. Катаракта гарантирована всем после 5 лет такой работы.
Тоже так подумал. Много ручного труда, какие-то ржавые мятые бочки вместо контейнеров, домашние бытовые вентиляторы - особый шик..
На 10:20 понравилось, пластмассовый ящик, по углам проволока прикручена. Этим поднимают металлические заготовки.
да уж... мало чем отличается от пакистанских видео. пыли только поменьше. А на ТБ и корейцы забили. Тащит краном рваную бочку кг на 100+ и ноги под неё суёт в кроссах. точно пальцы на ногах лишние. Где обувь, очки, беруши (TWSы не в счёт), спецодежда? перчатки... это надо показывать у нас на заводе в качестве примера "как не надо делать"
@@ЮраКугаенкоНу пластик то тоже разный бывает. Видимо прочности этого пластмассового ящика хватает для этих целей.
@@Алекс-ы2ю6х хватает на эту смену, а дальше хоть трава не расти))
This is so satisfying to watch. I was a machinist by trade so I fully appreciate all this.
the slugs they are hitting in the forge are not the same small slugs they show cutting off , they mixed different operation lines in video
Saved me 18 min. You showed me the process in the first 20 sec.
Jh테크가 제 첫 직장이라 감회가 새롭네요 노병만 반장님도 보고싶고 ㅎㅎ
Very interesting informative video, Loved it all the way, beautiful background music..
All the very best regards and Love from Pakistan.. ❤❤❤
The music at the 7 minute mark is Still Life by Adrian Berenguer
16:00
So what's the point of those little taps? Doesn't appear to be using much force, does it even do anything?
It's interesting how threads are "rolled" onto bolts, but cut into nuts.
Easier access to the surface means you can apply more force in a specific manner. Rolling external threads it is more efficient because you lose less material and can make more bolts with the same amount of stock.
Truly manufacturing has become a game of stacking efficiencies.
@@Galaxy-EyesEnjoyer Rolling threads also is much stronger than cutting them on a lathe.
@@robertmceuen3630 I've heard that before from my old beard predecessors but I haven't come across actual data for that claim.
@@Galaxy-EyesEnjoyer Ha. I guess I am an old beard without the beard. Rolling the threads instead of cutting them is akin to forging. Cutting interrupts the grain of the steel. My opinion of course. Appriciate you responses. Good to see folks interested in the same as me.
Does South Korea still produce in such all-era factories?
It's like looking at a factory 50 years ago.
Most of that equipment was probably sold off from American factories 50 years ago and shipped abroad.
This puts a new dimension to classical Music that was fully enjoyed. Thanks!
Great camera work 😀
Ich glaube, das ist ungefähr der Stand an Arbeitssicherheit, den wir in Deutschland 1960 hatten.
Die Arbeiter arbeiten hart und sind talentiert. Sie haben einen besseren Schutz verdient.
Ich finde es schlimm, dass Menschen heutzutage noch unter diesen veralteten Bedingungen schuften müssen.
when its made in Korea,you know its QUALITY
Kia??
Я реально залип на процесс и досмотрел до конца
Good, honest living. Great job!
Holy moly! That's nuts!
& t=14:26 proof that several accidents did happen in this factory. Maybe welding or inserting two flat rings to barrel can prevent this. Anyway, respect for people doing real work.
a great factory thanks for the video
Wonderful. What is their main use?
대학교 시험기간 입니다. 너무 재미있습니다.
I love watching Korean factory videos with very hard working people.
Yes but using 1/2 tar barrels to lift such weight without any strengthners where the lifting holes are is mad. I see one such barrell which had torn thru and still in use with new holes, Also the guys moving the cranes about are walking over obsticles as they work. Really safety needs to be improved a bit. A tidy of the floor, Proper containers not tar barrels, and I see one person walking on top of rounded steel at height. It wouldnt cost an aufuff lot to make the workplace a whole pile safer, while still using the same procedures.... Just safer
@@nialldaly7108 i see your point but theirs something else to it, my guess is that method is more convenient?
i don't know who has the more exciting job at 5:40. the guy that is handing over the parts or stamping guy. tough decision man, both so fulfilling
I enjoy watchng these videos but dang does that look like a crazy dangerous place to work.
Что то я прям залип при просмотре видео. Завораживает процесс......... А присмотришься всё как и у нас, в России. Те же бочки обрезанные под продукцию, те же лица работяг (только чуть прищуренные глаза) и тот же лютый оскал капитализма. Пролетариат он и в Корее, пролетариат.
И такие же похеристы, 6:40 работают сломанным метчиком. Да ничего же страшного )
What about hardening? I wonder what class of nuts and bolts they did, it seems it was not more than 5.8
And what about galvanization?
@KingProcess -- do you have a version of the video without background music?
Does anyone know generally how long a tap will last you when making production like this? Just curious
The machine shop I worked at had us use a go/no go gauge when we would tap or thread anything. We will go get a new tap or die when the go gauge would work. Judging by some of those having missing teeth I would say they don't change them too often but who knows you may not show every step of the way in this video
I used to sell taps. Something that big (over 1" in diameter) would get dull after doing hundreds of parts, maybe one thousand. However, the taps can be resharpened. This is old technology. These days maufacturers use CNC machines and carbide thread mills of roll taps (cold forming).
@@erinbrew9675 i didnt know that. thanks
@Laura Reiser high speed steel must be run at much slower RPM's than carbide. Yes, if you ran them faster, they would burn the cutting edge. The surface feet per minute is constant and just looks skower on larger taps.
Love the way that they run the taps all the way through and let them drop out rather than reversing, very ingenious
Very good! Thank you...🇺🇸 😎👍☕
This video reminds me of having made steel bolts and nuts with a lathe in 1978.
Howdy and Great Vid.... DEEZE NUTS
Man this video was totally nuts👍
>Working with overhead lifting equipment without hard hats.
>Working with open face ovens without face shields.
Because what could possibly go wrong, right?
>Wearing cotton face masks just for... reasons, you know.
I was thinking the same thing
I'm not mad about it ⛳
this is slavery. freedom peoples should not work like this. terrible env, low eff., old equipment s.
what would they do without these old oil barrels?
I love videos like this, but this one makes me wonder if creating the steel and then forming it into 1" or so rods and then cutting the rods and once again melting those cut pieces so as to make big hex nuts could not be made with only one melting. I also like how each nut is tested on a threaded rod, something I know is not done for the small size nuts and bolts I buy, some of which simply do not thread properly.
So from a steel mill (with a rolling mill) you can get bar stock, billets, rod (like this), sheet, plate and rebar. With those, you can make thousands of things.
They just don’t make enough of these to put the factory near the steel mill to have hot rod ready, and it’s not efficient for this factory to make their own rods.
yes right. sometimes they are not thread properly. when I need one I always buy two!
What country is making the low quality product?
@@teebosaurusyou, I don't know where exactly. We're talking ACE Hardware and Home Depot, so my guess would be China.
@@jakeharris9075 There's a lot more to this than meets the eye. The metallurgical properties are very important to making nuts and bolts that can meet the specifications for strength.
There is a big difference between "melted steel" and steel formed when it is red hot. In a rod mill, they start with molten steel cast into billets. Typically these are square shapes formed anywhere from about 6 inch square to somewhat larger or smaller. But these are cast, and formed directly from molten steel.
The billets then get reheated to red hot and are "rolled", meaning that they are stretched, elongated and compressed under shaping rollers using high pressures. The rolling process is key because it aligns the molecules within the steel, which greatly improves the overall strength. This is a continuous process and a 20 foot by 6" billet will be squeezed down to form the round bar you see in the video. As the billet gets squeezed down and shaped it becomes longer, so at the final stages, that round rod is flying through the machinery at high speed, while the billet may still be in its original shape and moving much more slowly. It's pretty amazing to watch this red hot "spaghetti" zooming along a long roller track. In some cases that rod may be coiled up, but in this size they are usually sawed off to length as they are moving down the line.
Once in this rod shape, they are often heat treated to adjust the hardness and other properties. Also very critical is the exact formulation of the molten steel with different alloys. Very small fractional percentages of various metal alloys will make a huge difference in the metallurgical properties. (Steel is not a generic material)
As the rods are cut into slugs, reheated and forged into the basic shape, the temperatures and amount of displacement in the forge, are all important variables that add up to the final metallurgical properties. As the threads are cut, a form of "cold forming" takes place, which also contributes to the final properties. The process itself is highly engineered to achieve the final desired properties that meet the specifications. Again, much more going on here than meets the eye.
You can make nut that look just like this, but I wouldn't trust them on a big structure. You can find videos of Indian, Pakistani and other countries described as "How nuts are made", but they look nothing like the process you see here. Typically, they are some little "mom and pop" shop using chucks of rebar or junk steel. They heat it up in a very much uncontrolled fashion and then get handed to the next guy who stamps it in a big hammer forge. Then they cut the threads by hand. The trouble is that side by side, you probably can't see any difference. But one is a real, high specification nut and the other is a piece of shit!!
4 or 5 guys working in one of these little shops can probably make several hundred or more nuts in a day. But if you want to buy the high grade 2" nut produced in this video, you'll pay around $30 each. Those 4 or 5 guys combined don't even make $30 together for a long day's labor. And their processing costs are some gas to fire their small reheat furnace, some scrap steel and some 100 year old forge they bought at scrap prices. So I think you get the picture. The little shop probably makes a nut for 50 cents, maybe a dollar, but passing it off as the real thing has a huge profit margin.
If you are doing some little shelving project using 1/4 -20, grade 2 bolts, you probably wouldn't know the difference. But imagine putting a bridge or building together with this cheap shit!!! And in big lots, there are millions of dollars to be made selling the low quality, counterfeit fasteners. It's a serious problem. Ironically, in their home countries, they use this cheap, sub-standard shit every day.
We really shouldn't allow these third world countries to even participate in this market. But because of the money involved, somebody would find a way to cheat the system. With many large contracts today, the contractor may be assigned to supply the fasteners and some dumb ass bean counters who are supposed to watch it, may never catch it. Well engineered projects must have measures in place to ensure the quality of the materials meet the specifications.
So, in answer to your question, you don't want to shortcut the processes involved without fully understanding the implications. That is essentially what these third world shops do.
The Koreans, (South), have some excellent engineers and large industrial processes. Most of what they learned and the technologies they use, came from Japan. Koreans are very good at steelmaking and have good quality control. But they have some people in business who are no beyond looking for easy profits. Not so long ago, some Chinese steelmakers were shipping cheap Chinese steel to Korea to essentially be rebranded, as a way to get around tariffs on some steel products. I have little doubt that some very large steel consumers may have been involved in the ruse or at a minimum. looked the other way.
Steel can be pretty forgiving and it's an inherently very strong material. But certain applications rely on the engineered material properties being what they are supposed to be. Years ago, many things were overbuilt to a large degree. That made sense when the materials used were not precisely made. But in modern times, designs take advantage of the very specific material science and the properties associated with them. The very high performing materials need to be made to exacting specifications. But by using these, the total amount of material can be much less. Lots of advantages to using less of very high performing materials. But the materials need to meet the specs or the design may be compromised. Critical structures are still over engineered, but to a much lesser degree than they once were. Modern engineering tries to build redundancy into designs and avoid single point failures. But assemble a bridge or building with substandard fasteners and you can create multiple failure points that may well go unnoticed.
Cool 30 second video.
What's that tool that looks like a Cyclop for?
Thank you for the video, but I already know the process of having big nuts. 😊
Why do they tumble them before the lathe?
주당 69시간씩 일 하는 자랑 스러운 대한민국
주당 120시간 일시키는게 목표인 대통령. 멋지다
Love the video, cool to see how those are made. However osha would have a field day in that place.
CNC로 하는거랑 탭드릴로 하는거랑 차이가 뭔가요?
So cool, I want one.
Трудоёмкий процесс изготовления. 🔥💪👍😎
Holy Crap! This is Just Nuts!!!!
суперклевый завод где изготовление гаек поставлено на конвеер, по перемещение между цехами происходит не в специализированной таре предназначенной для этого а в отрезанных бочках. боюсь представить что у них внутри завода, если на видео такое уже попало.
Thanks for this great video. That's a beautiful machined finish on those machined bolts. I wonder what grade of steel they are made from?
Probably a mild a36
There are different grades of steel for different grades of bolts. We used A36 bolts and "high strength" A490 bolts. "Allen head" bolts are some kind of high strength steel better than A36. I think grade 5 bolts are A36, while grade 8 are higher tensile strength steel.
Do you still in Bolt N Nut field , Our factory professional in Bolt and Nut more than 20 years in HanYan China , Is any chance we supplier to you ? Thank you
I would never have thought that the bars were cut with a saw. I thought she was cutting herself with scissors. The cost of operating the saw must be at least 10 times higher than the cost of dividing the material by cutting with scissors.
An interesting process for the production of large-sized hex and hex head nuts and bolts. This specific copper hammer is for display, but if it's effective, it's in its place in production. The process of upsetting steel is also interesting, greetings 😀.
Thank you for the many likes 😀.
16:12 Yeah, that copper hammer was interesting. I wonder what the purpose is for? Perhaps not to mar the steel as I suspect copper being softer? Softer and less impact on the human using it? No spark? Interesting.
I was wondering too. But after seeing the next step, I realized what he was doing. He is setting a centering point on the other end of the bolt, to center the bolt in the lathe.
@@frischerfisch2528
Hi. Oh, I understand the center point for the lathe. I was just curious why use a copper hammer instead of a steel hammer. That's all.
@@huyked Copper hammers are commonly used when a non-marking hammer is required but hide or plastic isn't heavy enough.
Very fun to watch and instructive. Although, it seems like a health and safety inspector's nightmare video.
Being an ex safety officer in the modern world this plant would be shut down , there are hundreds of safety breaches .
Fantastic video
This is nuts 😁
Это всё в нормальном производстве должно быть автоматизировано! Позапрошлый век...
7:32
Почему одни гайки нарезают метчиком,а другие на ЧПУ?😲
40 лет назад и я так работал. Только у нас с техникой безопасности получше было: тара для деталей была стандартная, регулярно проверялась на грузоподъёмность и вместо чалок проволока не использовалась. Не было ЧПУ, но и не было таких архаичных прессов и станков. И уж, конечно, таких рваных бочек не было. Иными словами социализм плюс феодализм равно корейский капитализм.
Суажи кому что 50 лет назад станков с чпу в ссср было больше чем ву США -не поверят..... А они как инопланетяне в цехе рядами стояли.... Непривычные по виду...
I understand the reason for rounding over the edges on bolt heads and nuts but it’s sometimes overdone. I’d rather have a very slight roundover for better grip even if it limits off-angle driving.
Great bold made with broken tap. must be 100% quality
저희 회사랑 거래하는 업체입니다. 이런 영상도 촬영 했었네요 ㅎㅎ 신기합니다.
12:50 makes me want to play Frostpunk... eerie feeling to it with the music playing.
👍Тяжёлый труд
I enjoy these videos, but it would be nice to hear only the machines without the background music.
7:34 The only cnc in the place and it's used for the simplest operation of breaking the edge? I'd like to know the story behind that.
No they use it for threading, maybe for higher quality / clearence than the tapped one
Was impressed with the quality control. They used a thread gauged on the nuts.
Seeing these after playing Ratchet and Clank hits differently lol. I need to find some markets that take these instead of cash.
Pretty sure I seen this factory on a graphite bar making video a while back too. Looks exactly the same at least.
I am surprised by how much human labour is used instead of robots and automatic machines. A lot of it is repetitive and could easily be mechanized.
After seventeen years of working in a hospital emergency room. I would love to have the job that guy is doing at 16:15 for the next decade!
знаменитые японские роботы
Once those violins kick in, you know some serious manufacturing is being done....
너트나 볼트 만들때 재료를 먼저 톱으로 자르는데
먼저 가열하고 프레스로 절단하면 안될까요.
공정과 공정사이 모든 작업을 손으로 옮기는데 힘도 많이들고 사람도 많이 필요 할것 같음.
달궈서 가공한 반제품을 자연 냉각 시키는데 그열을 원재료 예열용으로 쓰면 어떨까 함..
돈 많이 벌어서 좋은 시설에서 작업했으면 좋겠네요.
애국
Seharusnya pabrik seperti ini harus dibangaun di NKRI
I see that water is poured over the white-hot pieces of round metal when they are forged into hexagonal parts. Why doesn't this produce a big cloud of steam?
잘
보구
가내유...^^
방문 감사드립니다.
Impressive respect for the very hard working Korean people here for sure. I bet there are many injuries here...lots of questionable working conditions (poor housekeeping), questionable practices and workplace tools such as the transporting containers, their crude lifting holes for crane chain hooks, very little safety guarding on processing equipment. The USA OSHA would have a field day here resulting in shutting down the factory until safer work practices and safer working conditions are implemented.
Thus why they can undercut USA factory products
I don't think so. They know what they do. Experience and routine and as I see it enough time given to do the job properly reduces risk. Usually unskilled stressed people are in danger. All the protective measures make work less enjoyable (my opinion). I didn't see a superviror with a whip.
My thoughts exactly. I'm pretty sure the OTJ injury rate here is ridiculous high. I'm equally sure that those injuries mostly go unreported.
14:22 Cringing as I'm watching guy hoist this absolutely fubar'd drum around without steelcap shoes...a single bolt would crush toes let alone the entire drum!
I would love to check the tolerances on a few of these nuts and bolts
This is where Automation makes perfect sense. There is simply too much handling of each piece over and over again. Even just to put a little stamp on each nut makes no sense when it could have been stamped when the nut/hex was first formed. The steel shot cleaning wouldn't have adversely affected any stamp marks.
There is just too much repetitive manual handling that could easily be eliminated with the proper machinery. It would still require humans to maintain the equipment so few would lose jobs in the long run but the automation would make these nuts much faster and more accurately. I say the latter after watching the Threading which was often on an angle (not perpendicular to the nut face).
Yeah, it also wondered me that they still use a manual lathe instead of a more faster cnc machine
Really? Genius.
Бочки прям топ. Мне интересно сколько раз они рвались и содержимое падало на сотрудников...
The music ruins it but its a very fascinating video. I would have loved to only hear the sounds of the machinery and work.
this is nuts, cool!
Loved the production run! I hope my Korean brothers in the craft are staying safe with their steel toed boots!
It just goes to show that the rest of the world knows how to work safely "without" all that safety gear as the North American dummies do lol
@@realemonful a lot of money is made in keeping people “safe”
@@realemonful my time in Korea says that the chaebols don't really give a shit about safety and accidents do happen to these men and they are basically maimed for life...
I literally watched a man lose his left leg from the knee down in front of me when a stock rack finally cracked out.
Que Engenharia maravilhosa estão de parabéns
I may only have mild tinnitus, but I feel this entire video.
Where do they make the cans for Beijing Corn tho?