[HN Gopher] Fractal Vise ___________________________________________________________________ Fractal Vise Author : mattlondon Score : 31 points Date : 2023-07-09 19:48 UTC (3 hours ago) (HTM) web link (airgraver.com) (TXT) w3m dump (airgraver.com) | sleepybrett wrote: | adam savage just bought a new one from alibaba: | https://www.youtube.com/watch?v=NUhrF0xkhhc | hammock wrote: | It's like the gator grip socket wrench | https://www.google.com/search?client=safari&hl=en-us&sxsrf=A... | RicoElectrico wrote: | Honestly for me it falls into "generates a lot of YouTube | content, but is of dubious practicality" category. Tesla valve | also belongs there. Can someone give other examples? | [deleted] | slang800 wrote: | Prince Rupert's drop is another. | explaininjs wrote: | Haskell. (as someone with published Haskell-based research | papers) | kveykva wrote: | Ironic that the video of the vise is recorded handheld it seems | nine_k wrote: | Not entirely fractal, just third-order! Fourth-order would likely | not be sturdy enough though. | | But cool, while also practical. | andybak wrote: | Today at the age of 52 I learned that Americans spell "vice" | differently. | mdorazio wrote: | Does anyone know how the dovetails of the individual jaw pieces | are machined on a curved surface? I can't figure it out even | using a 4 or 5 axis CNC. | mitthrowaway2 wrote: | I must be missing the difficulty. It looks to me like you could | turn those dovetails on a lathe. You cut them into round stock | before sawing it in half and facing. The female dovetails are | done directly on the OD of the round stock. For the male | dovetails, it would require mounting the work offset (eg. on a | faceplate); alternatively, you could do it more awkwardly on a | mill with the tool offset in the spindle like a boring bar. | Either way, it could be done with manual machines. | xtagon wrote: | I don't actually know, but maybe electric discharge machining? | exabrial wrote: | This is the stuff the patent system is _supposed_ to protect | Trellmor wrote: | Maybe in 1912 https://patents.google.com/patent/US1059545 | causality0 wrote: | How is this "patent pending" when fractal vises have been made | for decades? | | https://www.youtube.com/watch?v=QBeOgGt_oWU | nine_k wrote: | A special small variation can be as well covered by a patent, | because it can make all the difference. | | See e.g. Phillips screws vs Posidriv screws (cut the tip), or, | more prominently, a normal needle vs the Singer sewing-machine | needle (move the eye). | NegativeLatency wrote: | Or even more egregious: the patent game being played with | insulin https://www.vox.com/2019/4/3/18293950/why-is-insulin- | so-expe... ___________________________________________________________________ (page generated 2023-07-09 23:00 UTC)