04-28-2012, 09:45 PM
Thanks Ken,
Yes you did make it look easy but in following your instructions, holding the wires hasn't been much of an issue. You method of correctly placing the bottom wire was a big help. I'm glad you showed me as I would be spending more time searching from them on the floor otherwise!
I think I originally confused myself when I measured the spindle thread, as I checked my measurements against a reference for the 6tpi thread and they didn't match. That put doubt into my mind as to whether I was measuring correctly etc but then I figured that these threads were cut over 100 years ago, so they are probably not going to line up exactly with the standards.
I will be cutting the clone using a HSS threading tool. However, I will cut the internal threads with a Carmex 22IR 6UN BMA full form insert. I picked up an internal threading holder for a good price on eBay and as I am going to make other backing plated and collet chucks etc, I thought it was a good investment. As I only plan on making one clone, it didn't make sense to use anything other than HSS.
Yes you did make it look easy but in following your instructions, holding the wires hasn't been much of an issue. You method of correctly placing the bottom wire was a big help. I'm glad you showed me as I would be spending more time searching from them on the floor otherwise!
I think I originally confused myself when I measured the spindle thread, as I checked my measurements against a reference for the 6tpi thread and they didn't match. That put doubt into my mind as to whether I was measuring correctly etc but then I figured that these threads were cut over 100 years ago, so they are probably not going to line up exactly with the standards.
I will be cutting the clone using a HSS threading tool. However, I will cut the internal threads with a Carmex 22IR 6UN BMA full form insert. I picked up an internal threading holder for a good price on eBay and as I am going to make other backing plated and collet chucks etc, I thought it was a good investment. As I only plan on making one clone, it didn't make sense to use anything other than HSS.
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