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| jgroom:
Hi all. IIRC 60deg dovetails are preferred for mill tables and such because they have a larger bearing surface than 45deg, larger oil film, better wear, etc. That being said I don't see why a 45deg wouldn't work fine in a toolholder. I had a (homemade) 2 dovetail holder on my 9" SB and it was handy, but it was also bulky and a real PITA when working close to the chuck. It has since been replaced with a single dovetail unit which works much better (and needs painted ::) ) Thanks Jeff |
| Darren:
--- Quote from: jgroom on September 08, 2009, 12:28:43 PM --- I had a (homemade) 2 dovetail holder on my 9" SB and it was handy, but it was also bulky and a real PITA when working close to the chuck. It has since been replaced with a single dovetail unit which works much better (and needs painted ::) ) Thanks Jeff --- End quote --- That's a very good point there Jeff, you sure can get close and keep overhangs a little shorter without the second dovetail getting in the way..... :thumbup: |
| raynerd:
Thanks for that Jeff - very good point and thanks for the pictures. I`ve just made a start, had an hour cleaning up the scrap steel I just got tonight. I actually was going to use a block but I found a round bar yesterday at the srappy so will use that. It is my first time working with steel and as expected it was much different than working with brass or ally that I have been working with. The top layer was pretty hard but once I`d broke into that it started maching quite easily. Well we`ll see how it goes.... After your thoughts and experiences with a two dovetail holder, I think I`ll actually change my mind at stick to one. Like you said, you simply loosen and swing it around when you need to. Chris |
| NickG:
Nice 1 Chris! Be sure to write it up in another thread! :worthless: |
| Darren:
Or just write it up here you like, makes it easier for peeps to find all the different ways of tackling the same subject in one place... Just a thought, your call of course :thumbup: |
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