| Gallery, Projects and General > How do I?? |
| Boring a Bronze Oilite Bushing |
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| snub:
This is more of a 'can I' question, as opposed to a 'how do I'. I wish to take an oilite bushing and bore the i.d. to fit a shaft I have that is an odd size. I have heard that doing this will close the pores in the bushing and it won't release the oil properly. Is this true? This is for a shaft that will be turning 30 RPM. I was wanting to use a needle roller bearing, but the shaft has an o.d. of 13.93 mm. So a 14mm bearing would be sloppy. Perhaps there is some way I could increase the diameter of the shaft with some shim stock? All comments and suggestions are appreciated. |
| arnoldb:
Hi Snub I'm not sure about the bushing and how it will behave - but at 30 RPM I don't think it will be much of a problem... If you have a knurling tool and don't mind working on the shaft, a light knurl where the bearing must go should do the job to increase the size the small bit that's needed to use the bearing though. :beer:, Arnold |
| Stilldrillin:
In a previous life, long ago. I used to machine oilite, regularly..... Don't remember any special instructions....... ::) David D |
| Ned Ludd:
Hi Arnold, I hope I misread your suggestion to knurl a shaft to make a bearing surface for a needle roller. You knurl a surface, if really positively absolutely have to, to make a shaft bigger to fit the inner track of a bearing, not a needle roller. A needle roller has no inner track and uses the shaft itself as a bearing surface. Ned |
| snub:
^ I thought that too, but I did find a company that sells miniature roller bearings that have a sleeve on the inside: On third thought, I could probably machine a bushing for the shaft to take it up to 16mm. |
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