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| diy die filer |
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| Andrew Wildman:
Right chaps, I machined the base of the frame flat, drilled a clearance hole for the vertical shaft in the centre (I need all the clearance I can get to get a 50mm max stroke) dilled two holes for clamping nuts and drilled/reamed two holes for location pegs I made some location pegs and then drilled a location hole in situ on the lathe. The frame was just sitting on the bed and thrust provided by the tailstock. I also applied a bit of down pressure with my hand. The setup looks a bit sketchy but because the pegs are a close fit it drilled fine with no lifting. |
| Andrew Wildman:
I set up the fabrication on the small mill, with a parallel clocked straight and the pegs aligning the frame. The part was centred on the hole I drilled on the lathe. The hole was cut with a rota broach (if you do not use these then I advise getting some as they make cutting big holes a doddle and also are a lot shorter than the equivalent size twist drill, so are great where the machine is smaller) and then brought to size with a boring head. While I was at it I machined the face. The crank bearing housing is the next job. I did not weld this into the frame and then post machine as there is a recess that needs to be machined 'inside' the frame and this is a lot easier in the lathe. I am unsure whether I will press the bearing housing or silver solder it into the frame. If I weld it it will probably distort the fabrication so I want to avoid this. |
| Andrew Wildman:
Happy new year all. I got a bit of time in the shed today so a made a few bits. :dremel: T nuts to fit the lathe and a table for the filer and I drilled/reamed the hole for the bushings as well as the mount holes for the table. Times like this it is handy to have a mill with a fair bit of head room. Saves having to faff about with setting this up on the lathe faceplate. |
| raynerd:
Andrew, probably an obvious one but are those locating pegs just to insert into the holes so that it looks in the t slot on the lathe to align in on the square to the lathe head? |
| Andrew Wildman:
Chris, yep they just align the shaft to the spindle cl. Pegs seemed a bit easier to make than a key as the lathe t slot is a wierd size. I am sure when I have made this thing that I will think of better ways of doing things! |
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