The Evolution Of Cutting Tools

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Published 2020-01-31

The story begins with how cutting tools evolved from simple paleolithic stone edges to the knives, axes and other basic metal cuttings tools via the copper, bronze, and iron age. From there we look at the discoveries of metallurgy during the industrial era, the rise of steel, and the evolution of machine tools. We explore the advancements of the tooling mills, lathes and shapers used as cutting tool materials moved from high-speed steel to carbides, and other exotic cutting materials.

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FOOTAGE USED
J.Kacher, G.S.Liu, I.M.Robertson
"In situ and tomographic observations of defect-free channel formation in ion irradiated stainless steels"
www.sciencedirect.com/science/article/abs/pii/S096…

Mike Williams
Basic Carbide - How it's Made
• Basic Carbide - How it's Made

All Comments (21)

@NewMind 4 years ago

Special thanks to Gear Quest for helping with this video. Check out his latest video at - https://youtu.be/G2y6cU5mN9Y
@memorabiliatemporarium2747 4 years ago

I don't stress this enough: there are only a handful of channels that I know within YouTube that rival yours.
@kentvandervelden 4 years ago

Fantastic, this what the History Channel should be like!
@FrankieJames7 4 years ago

I am a ballistic engineer, and when i first learned why metal is so strong it was compared to paper. if you have a solid sheet of paper and apply force to it, it will rip, and the rip will continue all the way to the other side with little effort. now take the same material, paper, cut it into strands, and weave those strands together perpendicularly, if you rip that paper the rip will get stopped at the strand boundary/separation. I've never seen footage of this tangling effect on real metal grains. that was really cool how you showed grains shifting under stress
@jellybeanpowder 4 years ago

My favorite part is how in depth you go into everything. That's what I look forward to! I watched this thinking it would be a brief overview of the timeline of milestones in cutting tools. It was wonderful to learn more about the process of hardening and why things are the way they are. I can always count on an educational video. I don't care if these videos take a long time to come out as long as they maintain a quality like this one.
@DestructorEFX 4 years ago

Just finishing my Mechanical Engineering degree. Amazing video! It's a very good review of material engineering and heat treatment process.
@suibora 4 years ago

00:00 Introduction 00:34 History 01:10 Science of cutting 02:06 Advancement: Bronze Age 03:16 Metallurgy: Treatment, Crystals & Grains 06:10 From Iron to Steel and Industrialization 10:17 Advancement: Machining 13:05 Advancement: Digitalization and CNC 15:07 Alloys: Harder, faster, stronger ( ͡° ͜ʖ ͡°) 17:16 Carbides, Diamonds and Ceramics 20:54 Recent and potential future advancements
@benmcreynolds8581 2 years ago

It's actually mind blowing how impressive it is that people in our past learned so much about metal smelting. It's not the easiest thing to just come up with one day. A complex idea, hard to just have pop up out of thin air, kind of thing..
@JoyfulJapaneseMaples-us7on yesterday

This channel is everything that's right with YouTube. This video was SO SIMPLE yet so informative, and as a hobbyist machinist, taught me the "Why" in relation to so many of the concepts which i already operate under. I cannot believe I'm just now seeing this - but it's one that will be watched over and over
@steelcannibal 4 years ago

Watching this between cycles in a machine shop! Love your videos man! I've never seen video of the crystalline change in metals before that was a trip! Keep up the great work!
@heyitsdrew 4 years ago

this old Tony does a good video about cutting tools for lathes. start with a block of metal and grinding it until it's just right, explaining each and every angle as he goes from. a square
@daveasharps 4 years ago

Wow, this is an incredible piece of work! It's so rare to find such densely informative content that's actually enjoyable to watch these days! Thank you for making this!
@anchorbait6662 4 years ago

7:38 those are kids. Holy crap! Oh, and great video BTW.
@Enzo6006 4 years ago

I had so many "Ohhhhhh yeah, now I get it!" moments in this video. you very clearly explained several metallurgical concepts that I never fully understood. Thank you!!
@realname2404 4 years ago

It brings me great joy to have known about your channel. It is without doubt a channel that will grow to surpass the famous engineering YouTube's in the coming months. The content quality is amazing and in detail. As a mechanical engineer I find your work to be extremely interesting for a non engineer. Keep up the good work and may god bless you
@suibora 4 years ago

Top tier content my dude. Suggestion: timestamps for the different sections would be great for longer videos
@iteerrex8166 4 years ago

A high quality documentary on the history of a great topic. Thank you.
@massivejester 4 years ago

This channel is one of the best and most underrared on youtube. Consise, informative, good narrator and to the point without having any clickbait.
@ronroberts110 4 years ago

I've seen several videos like this, and this particular one is the best by far. As the saying goes, the best tutorial is like a skirt. Short enough that it's not boring, and just long enough to cover the important bits...well done, sir.
@BrilliantDesignOnline 3 years ago

As a machinist growing in experience, this was SUPER interesting. Thank you!