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Fedizen ,

(people frantically selling tesla stock)

TimeSquirrel ,
@TimeSquirrel@kbin.social avatar

I'm not even sure the Space Shuttle was built with those ridiculous tolerances. Maybe some internal engine parts like turbopump rotors and shafts. Does he know what he's saying?

jsheradin ,
@jsheradin@kbin.social avatar

10 micron (0.01mm) is pretty reasonable tolerance for a lot of stuff. The laminations in Tesla's motors will be held to somewhere around that, possibly even tighter. Things like motor winding insulation coatings will be far tighter.

For something like body panels or plastic interior pieces it's utter overkill and a waste of resources.

commandar ,

Something like a body panel is going to expand/contract a couple of orders of magnitude more than 10 microns just from the weather changing day-to-day.

jsheradin ,
@jsheradin@kbin.social avatar

It's pretty common for a CMM to be in its own climate controlled room. Parts will be placed in the room and allowed to reach reference temperature for a several hours prior to measurement.

On production lines you usually skip the absolute measurement of a CMM and use go/no-go gauges. One should fit, one should not. They'll be made of a material with similar thermal expansion coefficients as your parts. As long as they've both been sitting around for a while they'll be at the same temp. They'll have expanded or contracted the same amount from reference so their relationship of go/no-go will still hold true.

The whole field of metrology is a never ending rabbit hole - really interesting the more you get into it.

Nacktmull ,
@Nacktmull@lemmy.world avatar

This just shows how dumb he is and that he doesn’t know shit. Unnecessary, unreasonable and unrealistic tolerances will not result in a better car!

painfulasterisk ,

That tells you of Elon’s brain surface roughness

Hotdogman ,

Like a bowling ball

totallynotarobot ,

Variations below 10 microns, like the car parts?

coco ,

Hahhaahhahaah

LEDZeppelin ,

Sure hun. Would you like that with a side of fries or mashed potatoes?

rdrunner ,

Oh fries please, he gets too easily distracted and just plays with the mash potatoes all dinner

Piecemakers3Dprints ,
@Piecemakers3Dprints@lemmy.world avatar

So that’s how this PoS vehicle was conceived in the first place? That tracks.

brsrklf ,

10 micron tolerance is rather impressive for a mashed potato sculpture.

I’m sure he did pretend it was, though.

demlet ,

This means something…

Im14abeer ,

Elon gonna engineer the shit outta this thing. Nevermind coil steel itself varies by more than that before it goes into a die and stretches. It’s almost like he doesn’t have any background in automotive manufacturing. This statement makes me think Elon may not know what a micron even is. The fit and finish of Tesla’s current offerings seems to evidence it anyway.

FartsWithAnAccent ,
@FartsWithAnAccent@lemmy.world avatar

eNgInEeRiNg

ImpossibleRubiksCube ,

That thing looks like a soda machine toppled onto a pallete jack and spray painted the color of the road…

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