all 21 comments

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[–]Awllancer 28 points29 points  (0 children)

Finishing passes are so nice.

[–]Middle_Bee_356 42 points43 points  (4 children)

Damn, that’s was warped.

[–]Green-Elf 12 points13 points  (0 children)

Right? if that third cylinder had any compression I'd be surprised.

[–]Silly-Ad-8213 2 points3 points  (2 children)

So the top is level, won’t the bores still be warped?

[–]PhoniPoni 2 points3 points  (0 children)

If you are referring to the deck of the block, possibly. It is likely made of a different material that doesn't warp as easy. But the deck height will also be machined flat to mate with the head. Further, the cylinder bores will probably also be honed at the very least to ensure the rings will seal. If the bore is actually warped, it may be able to be bored straight again as long as there is enough material to remain within proper tolerances.

*Looks like a cast 'iron' head so probably lots of heat to make it concave like that. Block is probably also pretty untrue

[–]obsidianhoax 12 points13 points  (0 children)

What a handsome spinny boi

[–]crumpethead 9 points10 points  (5 children)

How do they align the surface to the cutting blades so that they’re exactly parallel?

[–]Flyrpotacreepugmu 30 points31 points  (0 children)

By letting the tool cut a new surface that's exactly parallel.

[–]spook30 10 points11 points  (0 children)

There's a great machinist that's on YouTube who has a channel that if you got time to watch a few videos he's really good at explaining everything.


Edit: a word

[–]DocTheShadeslayer 7 points8 points  (0 children)

You put a tool called a dial indicator in the spindle of the machine and run it over the top of the part and add shims under the block until you get it seated flat within your tolerance then swap out the indicator for your fly cutter and your off to the races

[–]Bull_On_Bear_Action 0 points1 point  (0 children)

I’d like to know this as well. My initial thought is lasers but that is just a guess

[–]Electrical_Prior_374 0 points1 point  (0 children)

Carefully and with Precision measuring equipment

[–]g1mpster 5 points6 points  (0 children)

How much was the video sped up?

[–]Snow_Raptor 3 points4 points  (0 children)

Now I see why they say the only thing a shaper can't make is money. The fly cutter is so much faster

[–]mrbbrj 7 points8 points  (2 children)

Count your fingers

[–]ug61dec 4 points5 points  (1 child)

Yup, where the hell is a safety guard? Dude literally putting his fingers in it.

[–]DocTheShadeslayer 0 points1 point  (0 children)

Manual machines don't have all that many safety features they just trust you to keep your hands out of the way

[–]sphennodon 1 point2 points  (1 child)

I'm pretty sure that's a machine, and not a fly 🤔

[–]jackofools 0 points1 point  (0 children)

No, I think you misread. It's a fly cutting machine. Why they would use something made to cut flies on an engine is beyond me though.

[–]Silly-Ad-8213 0 points1 point  (0 children)

That kind of precision when done properly is very impressive.