| Gallery, Projects and General > Project Logs |
| Congreve Clock Repair & Rebuild Project |
| << < (2/5) > >> |
| awemawson:
OK I'll give you a fiver for it :lol: |
| raynerd:
Haha.. I think I'll keep hold of it for now! The bed is only 6" x 7" - I'd prefer to have a CNC grooved bed made but if it allows me to keep going with it, I might find out the cost of a laser cut through bed. Gutted, because my little CNC machine might but up for the job!! - but it's tucked away in storage! |
| Noitoen:
I'm just curious. When I look at the groove by the curves, doesn't the ball have to jump from one groove to another? I would think that the tips should be rounded to allow the ball go around the corner without having to jump. Maybe I'm seeing it wrong. :scratch: |
| raynerd:
You are absolutely right!!!!!!! This is what I mentioned in point number 2 in my previous post with the pictures. The ball needs enough momentum to actually spring out of the channel and loop around the edge to be guided in the next channel. I think like you are saying, if it was going to follow this design, the triangles should end sooner so that the groove was continuous and it stayed in the grove as it went around the corner. |
| Noitoen:
Even if you use a cnc to cut the groove, you should use a regular mill and cut the groove deep enough so that the ball rides on the edges and doesn't touch the bottom. A half round groove would create more drag. |
| Navigation |
| Message Index |
| Next page |
| Previous page |