Speaking as someone who’s first job was in a brass/bronze/aluminum foundry casting mostly ship and boat fittings as well as coming from a family on both sides of machinists, millwrights and engineers with more than a little knowledge of metallurgy and engines, machining and tooling there is no centrifugal casting going on here. It’s straight sand casting and machining. I too have some concern about the quality of the melt but obviously they make a lot of liners and must have a decent quality or they would be out of business. I am sure there are some variations in the melts but they likely have a decent working knowledge of how much of this scrap and that scrap is correct for the results they need. They can break them out fairly hot as they require a fair amount of post casting machining and their mix is likely a bit like chilled iron/steel.
@@LegendLength actually almost all piston sleeves are made of cast iron, as are most older engine blocks. Quality cast iron, in piston sleeves often called chilled iron, is very tough and somewhat mailable. Also it has a decent stability as far as expansion and contraction. It’s also a tad porous, just a bit so it absorbs a bit of oil into the surface which helps the rings last better. It also forms micro carbides as it cools and they add wear resistance. It makes ideal cylinders/liners for anything from small engines to huge diesels and all the piston aircraft from flat fours and sixes to V-12s and the huge radials. Depending on the formation of cast iron it can be hard and brittle all the way to tough and durable often used in vise’s, anvils, brake drums, rotors and calipers and most machines like lathe’s, mills etc. In the early years even complete bridges have been made of cast iron and some still exist.
you would have thought they could build a few work benches in that dump. Jesus they need to form trade unions. they are one hundred years behind the times. that is how it was before trade unions took off in united states. but i am sure why they got a million excuses why they can't organize. and why they can't afford work benches coke machines break rooms or christmas parties. those idiots should go out and raise poppy flowers.
@@awax2585 Safety precautions is a western idea. In the East it is “In God we trust”. Besides safety precautions also have a cost. Where human life is over populated, it does not cost much.
i cast metal in barefeet. ever tried ripping a boot off in a hurry? i can assure you, when your toes can feel the sand underneath, and the heat from above... YOU WATCH WHAT THE HELL YOU ARE DOING! noone in this factory wants to die. noone wants to clean up the guts of their colleagues. so they dont hire just any old idiot that walks in teh door... more than likely its just about impossible to actually get a job in these places doing anything more than shovelling sand or breaking molds. and if youre STUPID? clumsy? ignorant? get the F\/CK OUT. no unions here matey boy!
A friend of mine had Enfield India Motorcycles (the original one) and ordered replacement parts for it from India. I can guarantee that the cylinder liner wall thicknes was constant within + - 5 mm on most of the cylinders. On one of the cylinders the bore was so offset to one side that it was impossible to mount, so he asked an Indian mechanic what to do, and the usual solution is to grind off a little from the inside of the piston so it can match the offset on the connecting pin. That's a perfectly acceptable solution in India
Любо-дорого смотреть! Просторные и светлые цеха, хорошо экипированный и обутый персонал, современное и качественное оборудование... И по ходу такая же высокая оплата труда. Может поэтому там высокая рождаемость? Чтобы компенсировать, так сказать отдельные, порой ещё кое-где иногда встречающиеся, на отдельных предприятиях (исключительно по вине персонала!), редкие несчастные случаи... (((
Where was the centrifugal casting I didn't see any. Firstly my concern is scrap steel going into the furnace, scrap that varied immensely in quality so there could be no consistency in the quality of their product. Second, those castings are being broken open long before the metal is allowed to cool , which again is detrimental to the product and dangerous to the men who have no protective clothing or footwear . As for throwing poorly machined parts onto the ground in all that dirt and dust expecting an end user to build a quality engine with them is insane.
1. It’s all consistent when melted together, 2. Osha nazi’s aren’t needed at this workplace 3. at 21:38 you can see the guy putting the neatly stacked cylinders in plastic.
There wasn't any I agree. But that isn't steel it is cast iron. Seems to machine quite freely nothing wrong there. Rough turning followed by grinding. Looks like a reasonable product. I wouldn't say they are poorly machined. Remember the machining is just a rough process - it is the grinding that gives the accuracy and surface finish.
Those old Jones & Shipman cylindrical grinders just last forever and hold tolerance. I ran one that must have been 50 years old and it would hold a tenth all day.
Those machines aren't that ancient but yes I agree. My 2 lathes were built in 1957 and 1964 and are far better than the modern stuff. They built them to last. People think it is only CNC that can deliver accuracy. Far from it.
@@codprawn in the US, some of the best lathes ever made and are still running were built during World War 2 almost 80 years ago. They made them by the hundreds for the big guys and thousands for the small ones. No CNC in sight but they were very good production machines. Good examples are sought after and bring good prices. Of course, they are nothing compared to today’s pieces but they sure did win the war.m
The lathe center is wobbling, that means the center bore will not be concentric to the outside diameter. Looks nice turning in the lathe but if you were to measure the wall thickness around the liner, you would find differing numbers.
رووووووووعة لا حول و لا قوة إلا بالله و الله رائع اللهم صل و سلم على نبينا وحبيبنا وشفيعنا وقائدنا وقدوتنا محمد صلى الله عليه وسلم تسليما كثيرا وسبحان الله وبحمده سبحان الله العظيم.💘🍃💝🌾💚🌺❤🌻💙🏵💞🌱🧡🍀💓💐🌼🌷💙🌿💕
Сразу видно, что все спецпроцессы валидированы, особоответственные технологические процессы аттестованы и внедрены. 7-8 квалитет точности обеспечивается без единого средства измерения. Что сказать-молодцы!))))
Such resourceful people God bless them. I have employees I pay 30 US dollars an hour and bitch about their jobs. These people make less than 5, dollars a day. My respect goes to them and their family’s.
@@denjhill Well if they contribute to a mosque it must be ok, alot of things seem to be hidden behind religion which are wrong and harmful, if people wish to believe in the best selling fiction books known to man thats fine but not at the cost of peoples safety and lives!
@@aleksandr4626 А вы много видели, что бы у нас гильзовали блоки? Это не мокрая гильза, это вкладыш в гильзу. То есть, двигатель отходил ресурс, потом двигатель расточили на ремонтный размер, отходил ещё ресурс, потом отходил ресурс на втором ремонтном размере. Вот только потом, туда делают такой вкладыш и все с начала. К тому времени что от машины останется? Или у двигателя БМВ ресурс 50тыр. км? Да и что то таких вкладышей я в магазинах не видел. У нас то же гильзовали двигатели, только е времена давно прошли.
Одновременно и смешно и грустно.У нас в Латвии единственный сталелитейный завод давно банкротировал.Даже таких технологий как на видео нету.Боюсь что даже спички Латвия не производит...
Is it possible to reach out to the guys directly, I would love to help them out myself personally. Also do any of them have a patreon account's. I love how these guys make do with whatever they've got that gets the job done. Thank you for creating such interesting content with great people. Take care. James 🇦🇺
Well its a local made aftermarket parts for locals only. I am from Pakistan we are happy to use them terms of quality wise. As we hardly do 4 to 5k kms a year so not much wear n tear
LM4 pigiron to be used for melting molten material temperature 880degrees chemical test to be done.minium .30 chromium should be there.nothing followed spun castings.crude in method adopted.
Centrifugal die motor powered not there to poreolyen material.no chemical test chromium silicon total carbon manganese required for cylinder liners plus LM4 pig iron.
A very modern steelfactory in The Netherlands is obliged, due to CO2 regulations, to invest billions - partly subsidized by Dutch citizens, taxmoney - in converting from gas-based to hydrogen-based processes. All this to prevent the earth of warming up. Soon these good people will feel the scorch of the earth while we, good obedient people in the low lands by the sea, will enjoy the cooling of earth temperatures. Because thats how it works isn’t it ‘green people’?
Pure conjectured *advertising.* I’m wondering if these people buy *everything* those over them in the Dominance Hierarchy deign to *sell* them, i.e. “my Betters have told me a certain thing, and *because it came from my BETTERS, IT. MUST. BE. TRUE.”*
legend has it that the master smelter can mix scrap metal based on the colour of the flame, thats how he knew what to add and how much to add this is a joke btw
The title is wrong as there was no centrifugal casting with the process shown,It was just standard casting! Centrifugal casting involves spinning the mould so the molten metal is thrown to the outer edge with centrifugal force!
Al crisol le meten cualquier tipo de metal... blando, acerado, sapos, culebras y lo que haya cerca de la mano... eso no importa, solo importa el volúmen. -- El moldeado por centrifugado no se ve por ningún lado... ¿así quieren competir en calidad con otros países...? ¿Quiénes son las víctimas que compran ése producto...?
I have been lied to by my engineering college professors and apprenticeship days that this was sand casting, when in reality this is is centrifugal casting.
Главный поставщик группы «ГАЗ»
И Камаза тоже
@@НиколайИванов-о9и И деятеля из Набережных Челнов, который гильзует корейцев)
Speaking as someone who’s first job was in a brass/bronze/aluminum foundry casting mostly ship and boat fittings as well as coming from a family on both sides of machinists, millwrights and engineers with more than a little knowledge of metallurgy and engines, machining and tooling there is no centrifugal casting going on here. It’s straight sand casting and machining.
I too have some concern about the quality of the melt but obviously they make a lot of liners and must have a decent quality or they would be out of business. I am sure there are some variations in the melts but they likely have a decent working knowledge of how much of this scrap and that scrap is correct for the results they need. They can break them out fairly hot as they require a fair amount of post casting machining and their mix is likely a bit like chilled iron/steel.
@@LegendLength actually almost all piston sleeves are made of cast iron, as are most older engine blocks. Quality cast iron, in piston sleeves often called chilled iron, is very tough and somewhat mailable. Also it has a decent stability as far as expansion and contraction. It’s also a tad porous, just a bit so it absorbs a bit of oil into the surface which helps the rings last better. It also forms micro carbides as it cools and they add wear resistance. It makes ideal cylinders/liners for anything from small engines to huge diesels and all the piston aircraft from flat fours and sixes to V-12s and the huge radials. Depending on the formation of cast iron it can be hard and brittle all the way to tough and durable often used in vise’s, anvils, brake drums, rotors and calipers and most machines like lathe’s, mills etc. In the early years even complete bridges have been made of cast iron and some still exist.
also , these are so cheap, quality is not too relevant if it lasts just enough.for sure they will be immediately recycled.
you would have thought they could build a few work benches in that dump. Jesus they need to form trade unions. they are one hundred years behind the times. that is how it was before trade unions took off in united states. but i am sure why they got a million excuses why they can't organize. and why they can't afford work benches coke machines break rooms or christmas parties. those idiots should go out and raise poppy flowers.
I always cringe at the non existant safety precautions ...
@@awax2585 Safety precautions is a western idea. In the East it is “In God we trust”.
Besides safety precautions also have a cost. Where human life is over populated, it does not cost much.
These guys are all true artisans. All their work is done just by their hands... Thanks for sharing.
Wearing sandals when working with molten metal👌
Also at the beginning: What kinda metal do we need? Yes😃
Metal is called pakistanesium.
OSHA approve steel toe sandals, we didnt get them
What sandals? Their all barefoot 😂🤦🏼♂️
i cast metal in barefeet.
ever tried ripping a boot off in a hurry?
i can assure you, when your toes can feel the sand underneath, and the heat from above...
YOU WATCH WHAT THE HELL YOU ARE DOING!
noone in this factory wants to die. noone wants to clean up the guts of their colleagues.
so they dont hire just any old idiot that walks in teh door... more than likely its just about impossible to actually get a job in these places doing anything more than shovelling sand or breaking molds. and if youre STUPID? clumsy? ignorant?
get the F\/CK OUT. no unions here matey boy!
I saw no "centrifugal" (tangential) casting happening.....
😆
The centrifuge was the guy spinning on top of the casting
Yeah he got the English word wrong he meant "Cylindrical" LOL.
I bet if an employee showed up with steel toed boots one day his fellow employees would make fun of him.😂
Love the ingenuity in there machines. Love the huge mixer run with a differential
These guys accomplish a lot with little to work with. Kudos.
Safety and precision are Paramount in the workplace! Great job guys!
A friend of mine had Enfield India Motorcycles (the original one) and ordered replacement parts for it from India.
I can guarantee that the cylinder liner wall thicknes was constant within + - 5 mm on most of the cylinders.
On one of the cylinders the bore was so offset to one side that it was impossible to mount, so he asked an Indian mechanic what to do, and the usual solution is to grind off a little from the inside of the piston so it can match the offset on the connecting pin.
That's a perfectly acceptable solution in India
@@kapilagrawal1237 even worse then. they tend to just hammer it in and wait for the engine to "break in" instead.
Любо-дорого смотреть! Просторные и светлые цеха, хорошо экипированный и обутый персонал, современное и качественное оборудование... И по ходу такая же высокая оплата труда.
Может поэтому там высокая рождаемость? Чтобы компенсировать, так сказать отдельные, порой ещё кое-где иногда встречающиеся, на отдельных предприятиях (исключительно по вине персонала!), редкие несчастные случаи... (((
5s организация труда так сказать
Where was the centrifugal casting I didn't see any. Firstly my concern is scrap steel going into the furnace, scrap that varied immensely in quality so there could be no consistency in the quality of their product. Second, those castings are being broken open long before the metal is allowed to cool , which again is detrimental to the product and dangerous to the men who have no protective clothing or footwear . As for throwing poorly machined parts onto the ground in all that dirt and dust expecting an end user to build a quality engine with them is insane.
Much agree!
1. It’s all consistent when melted together,
2. Osha nazi’s aren’t needed at this workplace
3. at 21:38 you can see the guy putting the neatly stacked cylinders in plastic.
There wasn't any I agree. But that isn't steel it is cast iron. Seems to machine quite freely nothing wrong there. Rough turning followed by grinding. Looks like a reasonable product. I wouldn't say they are poorly machined. Remember the machining is just a rough process - it is the grinding that gives the accuracy and surface finish.
@@codprawn definitely agree, cast iron. The chips are small and powdery, not long or stringy.
@@btrswt35
And the distinctive hiss. I love turning cast iron but it makes a hell of a mess. Make sure the ways are covered.
Those old Jones & Shipman cylindrical grinders just last forever and hold tolerance.
I ran one that must have been 50 years old and it would hold a tenth all day.
That was really cool to see how they used, what many would consider, primitive methods and ancient machines to create a precision product.
Thats the fact it is not precision product. Thy putting old Steel in owen and there is not any control about it. For me unacceptable.
Those machines aren't that ancient but yes I agree. My 2 lathes were built in 1957 and 1964 and are far better than the modern stuff. They built them to last. People think it is only CNC that can deliver accuracy. Far from it.
@@codprawn in the US, some of the best lathes ever made and are still running were built during World War 2 almost 80 years ago. They made them by the hundreds for the big guys and thousands for the small ones. No CNC in sight but they were very good production machines. Good examples are sought after and bring good prices. Of course, they are nothing compared to today’s pieces but they sure did win the war.m
The lathe center is wobbling, that means the center bore will not be concentric to the outside diameter. Looks nice turning in the lathe but if you were to measure the wall thickness around the liner, you would find differing numbers.
Liczy się sztuka, głupcy na zachodzie wszystko kupią.
العمل رائع جداً
التصوير يفوق الخيال أنتم مبدعون جزاكم الله خيرا
تحية وتقدير من اليمن صنعاء
As a machinist, I can only say.......Jeeezes!
I can see they could churn out a considerable amount of cylinder liners a week, I wonder how many blind cripples they make a week?
Кнопка включения станка на стене , очень удобно . Хорошо не в соседнем здании .
Русский Вася лучше знает и делает конечно
@@АлексНэш-р5г А украинский Опанас вообще ничего не знает .
То что школьник за станком это не смущает?
@@sivik_777 не школьник он, и в школе никогда не был!
رووووووووعة
لا حول و لا قوة إلا بالله
و الله رائع
اللهم صل و سلم على نبينا وحبيبنا وشفيعنا وقائدنا وقدوتنا محمد صلى الله عليه وسلم تسليما كثيرا وسبحان الله وبحمده سبحان الله العظيم.💘🍃💝🌾💚🌺❤🌻💙🏵💞🌱🧡🍀💓💐🌼🌷💙🌿💕
Сразу видно, что все спецпроцессы валидированы, особоответственные технологические процессы аттестованы и внедрены. 7-8 квалитет точности обеспечивается без единого средства измерения. Что сказать-молодцы!))))
What is a rabbit’s favorite dance?
The Bunny Hop. 😐😐
Assalomu alaykum Uzbekistondan..... 👍👍🖐️
Such resourceful people God bless them. I have employees I pay 30 US dollars an hour and bitch about their jobs. These people make less than 5, dollars a day. My respect goes to them and their family’s.
Idk 🤷🏻 how these guys can walk around in sandals and not get burned. 👊🏼props to them!!
Ótimo trabalho parabéns a todos 👏👏👏🇧🇷
I love the mixer made out of an old axle 😂
Incrível os trabalhadores! Parabéns a todos vcs!
The only thing i find amazing is how LITTLE the company owners think of there staff shame on them
EXACTLY !.
But they contribute greatly to the local mosque. Allah would be pleased.
@@denjhill Well if they contribute to a mosque it must be ok, alot of things seem to be hidden behind religion which are wrong and harmful, if people wish to believe in the best selling fiction books known to man thats fine but not at the cost of peoples safety and lives!
Классные у них ЧПУ!
Честный Пакистанский Ученик))
Love the thumbnail! Lol
Какой чудный сплав. Называется на глаз.
Woww. Kejar target produksi untuk permintaan pasar luas 👍
Top quality steal.
I think you meant steel but it’s actually cast iron.
Похоже гильзовка блоков у них на поток поставлена.
Расходник. У них ВСЁ - расходники
И не удивительно с таким способом литья. Их центробежным лить надо, чтоб все поры выдавливало и поплотнее было литьё. Годик проездил и сменил😁
@@TheAmd481 ага и люди... заливают метал в халатах и тапках...
Если бы, это для нас делают, потом оригинальные гильзы для БэМэВэ покупать будем в наших магазинах ))
@@aleksandr4626
А вы много видели, что бы у нас гильзовали блоки? Это не мокрая гильза, это вкладыш в гильзу. То есть, двигатель отходил ресурс, потом двигатель расточили на ремонтный размер, отходил ещё ресурс, потом отходил ресурс на втором ремонтном размере. Вот только потом, туда делают такой вкладыш и все с начала. К тому времени что от машины останется? Или у двигателя БМВ ресурс 50тыр. км? Да и что то таких вкладышей я в магазинах не видел. У нас то же гильзовали двигатели, только е времена давно прошли.
Одновременно и смешно и грустно.У нас в Латвии единственный сталелитейный завод давно банкротировал.Даже таких технологий как на видео нету.Боюсь что даже спички Латвия не производит...
приезжай в гости в соседку южнее также работать будешь там в лапях скоро начнут ходить
This is not centrifugal casting itis normal casting however the work is good job
Artisti siete dei Grandi....Complimenti🤛🙌💪✌👍👍👍👏👏👏👏👏👏👏
Is it possible to reach out to the guys directly, I would love to help them out myself personally.
Also do any of them have a patreon account's.
I love how these guys make do with whatever they've got that gets the job done.
Thank you for creating such interesting content with great people.
Take care.
James 🇦🇺
Pakistan
Those folks don't use modern electronic banking.
Idiota, give them still daughter 😱
Стружка мелкая от резца идет, значит сталь углеродистая, цилиндр работать будет.
Может чугун?
10:36 he lights the smoke coming from the sides of the mould on fire, nice trick.....! 👍🏼😀
ما شاء الله تبارك الله جميل جميل جميل👍👍👍👍🌹🌹🌹🌹🌹🌹♥️مرحبا ابو امين من الاردن
Belo trabalho...like do Brasil..
Good to see they’ve got their safety sandals on! 😂😂😂
Precision is a relative term. Which car manufacturers use these parts for their engines?
That's the best reason not to buy foreign crap!
I'd love to know who's using these parts in their cars
Quality isn't that important, vehicle will be hit with an RPG long before it wears out.
John deere, ford, Mercedes, you know, the "quality" brands get their parts from these guys
Well its a local made aftermarket parts for locals only. I am from Pakistan we are happy to use them terms of quality wise. As we hardly do 4 to 5k kms a year so not much wear n tear
I admire their inginuity but my concern is the quality of the scrap being used.
Doesn't matter seems to turn nicely with a good finish and no nasty voids.
LM4 pigiron to be used for melting molten material temperature 880degrees chemical test to be done.minium .30 chromium should be there.nothing followed spun castings.crude in method adopted.
Scrap metal is used all over the world to produce steel and cast iron.
@@MichaelHeinrich1
Yes you are quite correct!
@@MichaelHeinrich1 ...with chemical content correction and control - it's a small, but most important detail...
Good work
класс,я в 1970-х работал на подобном производстве я из России☦
Nice job👍👍👍👏🏻👏🏻👏🏻
Excuse me .Where are your safety boots,breathing apparatus,fire suit,hard hat,sir...lol
19th century technology and work place!
I didn't see any centrifugal except the chips flying.
Point me the moment of centrifugal casting! Give me the minute and second!
0.0
@@danhammond8406 in 0:0 they make mold for gravitational casting. Again - point moment of centrifugal casting.
Where’s the centrifugal part ? Must have been when the guy picked up the sand cast mold and turned around quickly
Centrifugal die motor powered not there to poreolyen material.no chemical test chromium silicon total carbon manganese required for cylinder liners plus LM4 pig iron.
A very modern steelfactory in The Netherlands is obliged, due to CO2 regulations, to invest billions - partly subsidized by Dutch citizens, taxmoney - in converting from gas-based to hydrogen-based processes. All this to prevent the earth of warming up. Soon these good people will feel the scorch of the earth while we, good obedient people in the low lands by the sea, will enjoy the cooling of earth temperatures. Because thats how it works isn’t it ‘green people’?
I enjoyed the description of centrifugal casting, however is didn't happen here.
That bore can't be the one where the boring bar was jumping around.
Интересно, какой ресурс такой гильзы?
По разному. Зависит то того, что сдали на металл в соседнем боксе.🤣
Hard working lot
Where is the centrifugal casting shown in this video?
Втулки выглядят неплохо,но какой состав чугуна,чем контролируют,а поры,пузырьки,шлакипослеобработки?
Great industry.
Gud work Keep it up Bro ❤
Looks good
Лопата 1886 года! охренеть нас переживет.
Good 👍
I was waiting to see centrifuge but didn't come ?!!
2:19 Look at that rearend!
Very skilled and speedy foundry work. But it wasn’t centrifugal casting
А как же наклейка DELUXE?
Pure conjectured *advertising.*
I’m wondering if these people buy *everything* those over them in the Dominance Hierarchy deign to *sell* them, i.e. “my Betters have told me a certain thing, and *because it came from my BETTERS, IT. MUST. BE. TRUE.”*
Hebat
legend has it that the master smelter can mix scrap metal based on the colour of the flame, thats how he knew what to add and how much to add
this is a joke btw
Not sure how they feel/learn from other TH-cam videos. They're at least behind western 100 years.
it's a sand casting NOT centrifugal casting. but thanks for sharing this
Wonder if it's for diesel engines?
what country this..amazing
GOODBYE! John, Australia.
The title is wrong as there was no centrifugal casting with the process shown,It was just standard casting! Centrifugal casting involves spinning the mould so the molten metal is thrown to the outer edge with centrifugal force!
Al crisol le meten cualquier tipo de metal... blando, acerado, sapos, culebras y lo que haya cerca de la mano... eso no importa, solo importa el volúmen. -- El moldeado por centrifugado no se ve por ningún lado... ¿así quieren competir en calidad con otros países...? ¿Quiénes son las víctimas que compran ése producto...?
lol, eso es para consumo local, eso no pasa por ningun tipo de calidad internacional
👍👍
После увиденного на цементный завод была бы очередь.
Хорошо красиво работает, немного спешите.
Because the product is round makes this ‘centrifugal?’
What kind of fire 🔥 fuel for scrap smelting?
induction
Are you mean electric ⚡️ ?
cast iron without aditives and they used it for liners? only in pakistan
BON TRAVAIL
Половина в сандалях, кооператив видимо ещё не завод. На заводе все в сандалях.
Ох и плавильщик на печи срач,воротник полопанный ,вся печка в шлаке,зато прутом машет в конце как будто знает что делает
Are they manufacturing the pistons also?
You have one Napoleon Grind machine.woud you like to have New one? I don't to work with old machine because ít's coming soon No Quality products
3:45 А не проще было лопатой перекидать )))
Meu Deus... EPI's, Controle de Qualidade, Instrumentos de Medição pra quê????
Welcome to the Land of approximate engineering.
Работа конечно очень тяжёлая. Всё в ручную.
_вручную_
да ВЫ шо, серьёзно?! на Вазе и УаЗе фсё аутоматика с сотками от миллиметра допусками делает??
When I watch this video I go back in 1900.
Still go back
Hw much 1pcs celendyr liner i buy 100pcs 70mm inside 90mm outside celynder liner
seen this same vid with different thumbnail pic and title.
I have been lied to by my engineering college professors and apprenticeship days that this was sand casting, when in reality this is is centrifugal casting.
20:58 Ding!
😂
MULTI-USE PRODUCT