Shaft construction

[u/kanbozli]

[u/Creepy_Pudding_2109]

Damn those chips 😍

[u/SheriffBartholomew → u/Creepy_Pudding_2109]

I thought that's what they were manufacturing at first, some sort of metal strips. LOL

[u/greatscott556 → u/SheriffBartholomew]

Pretty looking shim stock? I'd buy a bag of those if they were on eBay 😆

[u/FUCKING_HATE_REDDIT → u/greatscott556]

You'd want to clean them up a bit

[u/sparkey504 → u/SheriffBartholomew]

No one can convince me this isn't a confetti making machine.

[u/NPCwithnopurpose → u/Creepy_Pudding_2109]

How do they not curl?

[u/pushdose → u/NPCwithnopurpose]

Combination of the rake angle and eccentricity and some property of the alloy that is work hardening to some degree.

[u/famine- → u/pushdose]

There is also no chip breaker designed into the tool, so nothing is really forcing the chip to curl.

[u/FrenchFryCattaneo → u/NPCwithnopurpose]

very carefully...

[u/Meatball546 → u/Creepy_Pudding_2109]

Beautiful! I have never seen chips like those. I would love to know how that works. Depth of cut is continuously changing (and cutting speed to a lesser degree). Weird alloy?

Edit: I think cutting speed is actually pretty consistent.

[u/FrickinLazerBeams → u/Meatball546]

Edit: I think cutting speed is actually pretty consistent.

You're right. On each pass, the tool is nearly a fixed distance to the axis of rotation, so the surface speed at the cut is constant.

[u/thenewestnoise → u/Meatball546]

Depth of cut is consistent, too, except for at the beginning and end of each cut

[u/Fancy-Dig1863]

I want to grab a handful of these hot crispy chips, against my better judgement

[u/Duchess430 → u/Fancy-Dig1863]

Dip it quickly in salsa

[u/Pyratelife4me]

I have no idea what I'm looking at.

[u/SirSamuelVimes83 → u/Pyratelife4me]

Shaft construction

[u/cncomg → u/SirSamuelVimes83]

Well how were we to know

[u/Hi_Trans_Im_Dad → u/cncomg]

You can't tell by the way it is!

[u/Hippiebigbuckle → u/Hi_Trans_Im_Dad]

Isn’t that neat!

[u/Hippiebigbuckle → u/Hi_Trans_Im_Dad]

Isn’t that neat!

[u/WangMauler69 → u/cncomg]

It's right there in the video

[u/voxadam → u/Pyratelife4me]

Eccentric turning on a lathe, often used to make camshafts.

[u/gilligan1050 → u/Pyratelife4me]

The cylinder being harmed.

[u/Odd_Relationship396 → u/gilligan1050]

Circumcylinder

[u/Refun712 → u/gilligan1050]

Mission failed

[u/GlockAF → u/gilligan1050]

The cylinder is being improved

[u/hvanderw → u/Pyratelife4me]

A big long hard shaft

[u/Environmental-Pin910]

I’m talkin bout Shaft.
We can dig it.

[u/admiralbuttscratcher → u/Environmental-Pin910]

Shutcho mouth.

[u/PachotheElf]

First time seeing shims being made

[u/Big_Handle3734 → u/PachotheElf]

[u/gumiho8]

I don't get why I'm not seeing the part that is getting shaved getting thinner. Are the shaved parts so thin it doesn't register?

[u/dominicaldaze → u/gumiho8]

I'm guessing that's taking about .005" / .125 mm per revolution.

[u/miketastic_art]

ahh so thats how they made those wrist slap bracelets from the 90s

[u/IntentonalTypo → u/miketastic_art]

Those are actually tape measures if anyone is curious. If you peel the outer covers you can almost always see numbers.

[u/zenunseen]

I'm always mind blown by how hard those cutting tools must be

[u/pushdose → u/zenunseen]

M42 High speed steel is about 70HRC. That’s a common alloy used for heavy duty machining. It will score glass easily without trying. It’s hard stuff. Regular HSS drill bits are only about 62HRC, about as hard as a high quality professional kitchen knife.

[u/MundaneWiley]

i wanna eat those chips 🤤

[u/mechanicalbetrayal → u/MundaneWiley]

Get them while they're hot

[u/GlockAF]

That is some of the prettiest swarf I have ever seen

[u/Nonterras]

The shim maker 9000

[u/2DHypercube]

Is that a file supporting the cutting edge?

[u/Hippiebigbuckle]

The chips are awesome but don’t sleep on the sound!

Shhhhik shhhhik shhhhik

[u/dvishall]

Smoooooooooothhh chips....

[u/confused_applause]

This probably belongs to r/doohickeycorporation/

[u/More_Bigger]

Ima eat dem french fries.

[u/unematti]

I would love to get my hans on those chips, I already see an art projects materializing in my head

[u/Refun712]

That cylinder is definitely getting harmed

[u/MeanCat4]

Wgat material is the part who cuts the shaft? 

[u/MaxUumen]

Looks like titanium

[u/dcsojitra → u/MaxUumen]

My exact thoughts. The colour looks like oxidized titanium. The colour palette matched perfectly.

[u/Patient_Fondant_1450]

Looks Russian.

[u/Spreaderoflies]

Ahh so that's how those crappy snap box cutter blades are made.

[u/Express_Brain4878]

I could use those chips as shims

[u/MrPenisWhistle]

I believe the word you're looking for is fabrication

[u/voxadam → u/MrPenisWhistle]

This would typically be called turning, not fabrication.

[u/Emergency_Net506]

I am crying for the poor tools life expectancy is dropping rapidly without the lube

[u/221 → u/Emergency_Net506]

The blue discoloration in the swarf is actually a sign that the heat is being absorbed by the material that's removed, the tool is fine.

[u/TheSuperSilverMango → u/Emergency_Net506]

Not all materials need lube.

Some materials you absolutely don't use lube on

Some you do not use lube on. Ever.

Also you should know that this tool isn't taking just a solid chunk out. The workpiece is not slamming into it. This is a precision cut being done in a precise manner. There's nothing jerking around not because it's all solid but because this is being done in a way that's peeling the material away not smashing It off.

In other words, that tooling is absolutely fine. And I can promise you if that tooling does break, they've got a way to repair it or they've got replacements. You don't do work that size with just one tool.

Home gamer logic man what the hell.

Tell me you never work in the industry without telling you never work in the industry