| Gallery, Projects and General > How do I?? |
| Any Mathmatitions On Line (lathe change wheels) |
| (1/7) > >> |
| doubleboost:
Hi I have borrowed a 63 tooth change wheel to use as a conversion (metric to imperial) This works very well I want to make my own but can only get 64 teeth with my deviding head As the 63 is half of a 127 (should be 63 1/2 ) How much difference would a 64 make John |
| shipto:
Could you rig something to use the cog you have borrowed to do a straight copy? I also could use a 63 probably the same as yours since I believe you also own a Harrison so if you figure it out I would be interested. Also I would be interested to compare the tooth counts for the gears you have now. |
| mattinker:
--- Quote from: doubleboost on August 30, 2015, 05:23:53 AM ---Hi I have borrowed a 63 tooth change wheel to use as a conversion (metric to imperial) This works very well I want to make my own but can only get 64 teeth with my deviding head As the 63 is half of a 127 (should be 63 1/2 ) How much difference would a 64 make John --- End quote --- Can't you make an adapter for the Sparey dividing head? Regards, Matthew |
| Will_D:
John, What is your proposed gear train? And what is your leadscrew pitch? |
| trapper:
How many holes do you have in your available dividing plates? As the difference you were asking 360degree divided by 63=5.714 Your thinking of cutting the nearest to that you can get with your available tooling 64teeth so 360 divided by 64=5.625 a difference of .089 of a degree.Which is less than 1/10th of a degree -so your pitch on your 64 teeth would be 1/10th of a degree closer than they should be ,not much,but be easier and more precise with the correct plate-take it you are going to do this on a mill. |
| Navigation |
| Message Index |
| Next page |