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| diy die filer |
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| raynerd:
Nice build. I was keeping up with it nicely while making the frame and crank housing but I lost it when you assembled it - I can't see how it's actually being lifted or what actually is being held on the lathe. If you get any time to take a photo, I'd appreciate it. Looks great, nice one. Chris |
| Andrew Wildman:
Thanks Chris. I took this photo this evening that may help. The collet holds a shaft with one half of the coupling 'jaws' shrunk onto it. The other jaws form the thrust bearing for the shaft that passes thro' and rotates in two bronze bushes that are pressed into a piece of bar that is pressed into the frame. The shaft has a disk pressed onto it in which is threaded a crank pin. The crank pin fits into a square bronze block that slides horizontally in the yoke. You can see the bronze block in the photo. the pin can be screwed into different holes in the disk at different radii to change the travel of the file. I think I have made it sound more complicated than it actually is. :hammer: Before I paint it I may take a photo with it all apart in an 'exploded' style which may help. |
| Noitoen:
Older electric jigsaws had the same type of crank drive. |
| Andrew Wildman:
So Job's a good 'un. I finished off the uplift arm and all the mechanics are done. All it needs is a bit-o-paint. at some point in the future I may build a bearing guide to support smaller diameter files, mounted off the same post. :nrocks: |
| raynerd:
Sorry, didn`t reply to your earlier post - it really did help! Great build and thanks for sharing. Videos now of it in full action are needed! |
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