old mart | 09/02/2023 16:21:26 |
4655 forum posts 304 photos | I am thinking of a variation on the 254 stops which can be locked at any point along the bed rather than a bolted on fixture at the left hand end. The fixed type would be more suitable for a shorter lathe, the Atlas is 24" between centres. I made two for the museum's Smart and Brown model A to go either side of the saddle, but they fit on the inverted vee of the bed and are simpler to design. |
DiogenesII | 09/02/2023 19:30:54 |
859 forum posts 268 photos | Another variation. Sorry 'bout the awful contrast.. ..a couple of collars so that you can insert calipers / pins / blocks between collar and body adds usefulness Edited By DiogenesII on 09/02/2023 19:31:44 |
DiogenesII | 09/02/2023 19:37:24 |
859 forum posts 268 photos | |
Hopper | 09/02/2023 23:11:07 |
![]() 7881 forum posts 397 photos | Diogenes, I like your simplified version with the hacksaw slot instead of a separate moving piece. Very clever in its simplicity. |
ega | 09/02/2023 23:28:56 |
2805 forum posts 219 photos | Posted by Hopper on 09/02/2023 23:11:07:
Diogenes, I like your simplified version with the hacksaw slot instead of a separate moving piece. Very clever in its simplicity. I agree! Dan Gelbart on YouTube calls this a "flexure". |
DiogenesII | 10/02/2023 06:40:18 |
859 forum posts 268 photos | I wish I could claim my own ingenuity for that one, but I think it might have also have come from HH, or an article in MEW 'back in the day'.. Cutting the slot off-centre and using screws of different patterns are style innovations of my own however.. I'm afraid much of my own tooling is made 'for my eyes only'.. |
old mart | 10/02/2023 18:45:38 |
4655 forum posts 304 photos | I have milled a block of aluminium in a similar fashion to Diogenes II one, but I hadn't thought of the "flexure" design and may have left the gap too wide relative to the bed width. I will find out tomorrow when I go back to the museum. The collar on the rod is also a useful thought. |
bernard towers | 12/02/2023 19:20:23 |
1221 forum posts 161 photos | Martin, Hemingway stop works fine on my pcf super 7 |
Martin Kyte | 12/02/2023 19:43:30 |
![]() 3445 forum posts 62 photos | Just had a look on the site and they do say it's a new design so all well and good then Martin |
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