Hardcore Pornography

[ilcylic]

Hardcore Machining Pornography, that is.

khallis, randomdreams, project_mayhem_... I got something I think you're going to like... :D

6:50 aw yeah... I got your rigid broaching operation RIGHT HERE!

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Comments

[randomdreams]

Okay the coordinated axis off-center turning is amazing. So's the toolchanger. So's the auto switch chuck. And the I don't even know how many axes that is helical milling. I'm trying to imagine the software it'd take to make this toolpath.

[ilcylic]

Actually, the CNC broaching at 6:50 is one of the most impressive things to me. I mean, don't get me wrong, the rest of it is cool too, but that's just fancy programming and lots of axes. That broaching implies a lost of available rigidity.

I mean... imagine taking a wood chisel, in a really big piece of wood, with a hole drilled in it much larger than your chisel, and then just pushing the chisel down along the side of the hole, in order to cut a squared off keyway. Think about what the tool would want to do, as it cut through the wood. (i.e.: dive into the material) Admittedly, they're probably very shallow cuts, but given that it's also a blind hole... Man.

[randomdreams]

I've done a bunch of broaching on the lathe, using a broach tool in the tp against a stationary object in the chuck. If I'm only peeling like 0.002" with each pass, it's not much force. However, I bet they're not willing to do 75 passes to get the depth they need.

[ilcylic]

Yeah, but they weren't using something solidly mounted in a tool post, they were using a tool on the end of that crazy 5 axis arm! :D

[_eljefe_]

Yesssssssss

[khallis]

Hee.

I want one. Though I have to think that both of those must have a cost per minute of operation somewhere around that of a space shuttle.

If I ever make a Terminator movie, I'm going to show milling T-800 endoskeletons like that motocross helmet in the second part.

[ilcylic]

Yeah, I want one too. I don't even know what I'd do with it. Make custom engine blocks, cranks, heads, probably. ;)

As for cost per minute of operation... Once you factor in the initial purchase price of the device and all of that lovely lovely tooling (did you see that fucking tool changer?) and the time someone has to spend generating the model and toolpathing... yeah, that's not going to be cheap. But the more you run it, the better the amortized cost is! :D