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| Lathe mounted slotting attachment |
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| mexican jon:
Rob that is some impressive work there :drool: :drool: |
| PekkaNF:
Those slotting gadgets are interesting and many of them seem to ownd design to graduating tool. This type: http://www.hemingwaykits.com/acatalog/Keyway_Slotting_Attachment.html http://s1247.photobucket.com/user/don1966/media/KEYWAY%20SLOTTING%20ATTACHMENT/IMG_1750_zps515a6f0e.jpg.html http://mikesworkshop.weebly.com/toolpost-slotting-tool.html There is some designs build to tail stock, much like lever drilling feed, can't rememeber maker. This one was used for drilling, but looks strong enough for slotting http://www.bikepete.f2s.com/pics/hardinge-tailstock03.jpg Some years back I read about one clever design that moved the whole big slide assembly (to avoid rocking of the tool post type thing when you hang on the loever), arms were pretty long on that one. I liked the design, but after reading descrioton I bought a set of standard keyway broaches and later a hydraulic press. Still thinkking of making a gradutaing tool, possbly stong enough to make those nonstandard keyways... Pekka |
| Spurry:
That's a lovely bit of gear Rob. :clap: Thanks for the link too. Have you kept to the pivot ratios as per the drawing? Pekka. We must move in similar circles. :thumbup: The first one I looked at was the Hemingway one, but thought it very expensive. I had looked at Mikes one too. That one gave me the idea of using the old toolpost. The tailstock one looks interesting, but I was hoping to save a bit of work. That's probably the strongest setup though. Thanks again to All, for the hints and tips. Pete |
| RobWilson:
His Pete Mine is built exactly to the drawing no changes . It's a well designed tool. :dremel: Rob |
| Spurry:
--- Quote from: RobWilson on December 06, 2016, 01:21:00 AM --- ......built exactly to the drawing no changes . It's a well designed tool. :dremel: Rob --- End quote --- Mmm. Not quite, your handle is much more posh than the original, for a start. :bugeye: :bugeye:. I had forgotten all about that item in the issue of MEW from 1991. Pity it did not even make it onto the front page. Having translated some of those dimensions to metric, there is only 1.38mm between the edge of the main mounting hole and the edge of the ram bore, whereas in my initial thoughts, mine was looking at somewhere around 40mm. As has been pointed out, this could cause a problem.... back to the drawing board. :scratch: Pete |
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