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#lasercutting

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Aaron EB

I also like doing stuff like this where a sketch solves for a messier relationship: here, two ball bearings are sandwiched on each side of a lasercut segment. The hole they both seat into takes into account the material thickness so they have a small gap left between and don't crash.

a sketch showing a circle of the diameter of a ball bearing (OD 9.525mm), one half (with blue crosshatches) of a flat disc is visible at the bottom
the cross section of a stack of three flat discs with cutouts separated by three ball bearings. the ball bearings are sandwiched on either side of each disc such that the ball bearings don't touch in the hole in the disc.
a non-cross-section view of the previous image, this time there's two spheres visible in the middle of the image with three discs (with various holes cut) top middle and bottom along the vertical axis.
#CAD#lasercutting
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NedMan 🚀

I’m always a fan of having built in adjustment tools for things that need to be periodical adjusting. Needing to use the cabinet key to open the bottom door on these bigger laser machines has always bugged me. Finally decided to design and 3D print some knobs with built in triangular keys slots. Friction fit on the triangle so they can be removed if needed.

Apparently these triangular cabinet locks are not universal in the key size as the ones I made for the makerspace machine don't fit my own laser machine. So if you make your own, I would recommend doing some 5mm tall test prints of the cylinder with the triangular holes, all the way through, to fine tune the fit size. The corners of the triangles should be slightly rounded to give more room within the cylinder.

Picture showing the metal key way on the front of a blue paneled laser machine. Inside the round key way is a raised triangle that a key needs to fit to turn the latch. Beside the key way is a hand holding a black 3D printed knob that has a matching triangular hole.
Picture showing the black 3D printed Key knob fitted to the metal key way on the front of a blue paneled laser machine.
Picture showing the bottom panel of the laser machine partially open looking down the edge of the door. You can see the interior latch and on the other side the black 3D printed key knob.
Picture showing the full front of a blue and gray large CO2 laser machine. On the bottom panel you can see two black 3D printed knobs attached to the key ways on either side of the panel.
#MakerSpace#LaserCutting#3DPrinting
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