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| Drill holes in a bolt circle |
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| Bernd:
Why am I asking this? Check out this THREAD first. As I said I was going to ask this question here and see how many can come up with an answer. The criteria is that you can't use an indexing head or DRO. Since I don't have an indexing head I can't use that. But my Bridgeport does have a DRO, but I'm not going to use it. The piece that will need the holes is the side of the bull gear (minus it's teeth) in this pic. This will be a bit of a tip for the newbies. I'm sure some of you old pharts know how to do this. So let the answers begin. Bernd |
| Darren:
If you hadn't machined the teeth off the gear? Use another gear? |
| sbwhart:
Hi I'd use another gear. This is a cheap and chearfull devider I made when I first started up, spent a load of cash on other bits, neaded to divide a part up, got hold of a gear with 12 teath this gave me 2, 3, 4, 6, divisions, I still use it from time to time quick and easy to set up just grip it in the vice. Job Sorted :thumbup: Cheers :wave: Stew |
| Darren:
Stew, you forgot one :scratch: |
| Bernd:
Nope, can't use a gear. We are going to create this from scratch. :smart: By the way the number of teeth on the bull gear "was" 76. Not a very divisable number once you get past 4 positions. Bernd |
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