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| Swingup external threading tool |
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| David Kirtley:
The largest bit mine can take is 1/4 in. I was actually switched to using an even smaller bit on the second test. By the time you add on the weight of the swing arm and the lock screws, the weight of the bit doesn't really make that much difference. If it doesn't prove to be enough to overcome friction, you can always add a weight or a spring. The only thing I can see as a possible point of failure is for reversing with the bit engaged in the work piece and the pressure flaking off a chip of carbide. |
| abinitio:
I would like to make this. Drg. with Dims would be usefull. some pics would be good regards AB |
| Arbalist:
--- Quote from: abinitio on May 19, 2014, 10:42:47 AM ---I would like to make this. Drg. with Dims would be usefull. some pics would be good regards AB --- End quote --- Have a look here mate: http://www.modelenginemaker.com/index.php?topic=858.msg9461#msg9461 |
| drmico60:
Hi AB, Also have a look here. http://mikesworkshop.weebly.com/swing-up-tool-holder.html I have also designed a swing tool for internal threading, see: http://mikesworkshop.weebly.com/internal-swing-toolholder-for-threading.html Mike |
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