[Skiving Knife handling] How to catch a fin bend with a knife

In order to make a video, we tried to catch a bending through several attempts.
Once you have mastered it, you will be able to bend it even with one attempt.

[@jeremypaul8844]

mesmerizing :P Is the goal of rubbing the yellow thing to sharpen the blade?

[@skiving2020]

The yellow stick is an abrasive stick.
The key is to dull rather than sharpen. This helps the knife to enter the proper thickness when it enters the material, so that it mounts well on the knife.

[@jeremypaul8844]

@@skiving2020 Thank you for responding.

[@D3nn1s]

@@skiving2020 i guess its just to remove the burr that forms at the tip, no? Also isnt the heatsink fragile at the point where you bend it?

[@skiving2020]

@@D3nn1s A knife ground with a whetstone is very sharp. It is not intended for deburring. Rather, you can think of it as making a burr. The bends are pretty solid too.

[@D3nn1s]

@@skiving2020 sorry wasnt very clear what i meant. The "dull" blade has its tip sometimes curled up. I mean with the whetstone you remove that curled up part making it sharp again

[@lsw070]

Amazing and cool!!!

[@lawmate]

Amazing process. Is the blade solid carbide? Must be expensive!

[@skiving2020]

It uses steel, which is often used as a knife. Kinds of cold alloy tool steel....

[@FrozenHaxor]

It's HSS it seems

[@skiving2020]

@@FrozenHaxor Processing tool steel hardness 58 or higher

[@crisrose9707]

So when the blade is sharp the fins curl, when it is dull they stay straight?

[@skiving2020]

The grinded knife with a grinding stone is very sharp. This should be made a bit dull as the knife will not cut through the material and will climb onto the material during processing. Just like a toothed blade makes it easier to cut bread...

[@crisrose9707]

@@skiving2020 That is very interesting, thank you for replying! An odd comparison might be when trying to cut cheese with a flat blade you always end up with the blade wandering and getting a slice of cheese that gets thinner rather than a uniform thickness?

[@skiving2020]

@@crisrose9707 Exactly~!
In addition, uniformity of thickness is important when entering the initial blade. If the blade enters thinly when entering the blade, it gradually becomes thicker, resulting in a shape in which the head of the thin fin bends backwards.

[@crisrose9707]

@@skiving2020 oooooohhhhh! I see now, that's very interesting indeed! Thank you for explaining :D

[@RainbowLamb1212]

@@skiving2020 so if the cut is perfectly uniform the upright part will be straight?

[@mackgonebald]

omg that sound at the end of the video is from diablo 2

[@skiving2020]

!

[@lokicam1307]

I need a heat sink! 2 foot long, 3 inches wide in a spiral, with a I.D. of 2.5 inches. for a shop space heater chimney.

[@skiving2020]

Thank you for your interest. For business inquiries, please contact [e-mail].

[@FlexDRG]

Looks like a painfully slow and expensive way to make cooling blocks.

[@skiving2020]

It has the advantage of being faster and less expensive than machining the pins one by one. :)))

[@FlexDRG]

@@skiving2020 in copper probably yes. Others go for aluminum extrusion.

[@BigChuck_1]

Is skiving heat sink all you do???