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| villiers:
Tubal Cain liked to cut threads by coming in at an angle using the top slide rather than direct plunge cutting. For Whitworth threads you can set the topslide at 27.5 degrees, for Metric, UNF, UNC, etc you can set it at 30 degrees. Years ago he wrote an article on it in Model Engineer and included a useful chart giving the various thread depths to make life easy. I have the article reference somewhere and his thread chart permanently hangs by my lathe. I've used his top slide method since reading the article and find it suits me. Cheers, |
| Xldevil:
--- Quote from: villiers on February 23, 2012, 08:53:32 PM ---Tubal Cain liked to cut threads by coming in at an angle using the top slide rather than direct plunge cutting. For Whitworth threads you can set the topslide at 27.5 degrees, for Metric, UNF, UNC, etc you can set it at 30 degrees. Years ago he wrote an article on it in Model Engineer and included a useful chart giving the various thread depths to make life easy. I have the article reference somewhere and his thread chart permanently hangs by my lathe. I've used his top slide method since reading the article and find it suits me. Cheers, --- End quote --- Hello. Youtube's Tubalcain,aka mrpete222 from Illinois, is not identical to the passed away (British?)guy who wrote in Model Engineer under that pseudonym. http://en.wikipedia.org/wiki/Tom_Walshaw You know,the name Tubalcain quotes the Bible.There is no copyright. http://bible.cc/genesis/4-22.htm Cheers,Ralph |
| Paddy OFernichur:
I find it fascinating that "mrpete222" thinks so much of himself that it's OK with him to take on the moniker of both a biblical character and a guy who was actually quite good at machining. I've seen enough amateur mistakes, poor techniques and downright dangerous acts to think differently although many think of him as a mensch. He actually cuts himself pretty good in one video as he coils-up or uncoils a bandsaw blade in the completely wrong and dangerous way. No corrected method was shown. His videos on grinding tools are fairly good and certainly better than the ones I've never made, so who am I to have a dim view of him? :wack: Maybe I just don't like the name thing and it went downhill from there. :poke: |
| DaveH:
--- Quote from: Paddy OFernichur on February 29, 2012, 09:11:37 PM ---I find it fascinating that "mrpete222" thinks so much of himself that it's OK with him to take on the moniker of both a biblical character and a guy who was actually quite good at machining. I've seen enough amateur mistakes, poor techniques and downright dangerous acts to think differently although many think of him as a mensch. He actually cuts himself pretty good in one video as he coils-up or uncoils a bandsaw blade in the completely wrong and dangerous way. No corrected method was shown. --- End quote --- I'm with you there Ken 100% :clap: The bandsaw one is quite funny (not supposed to be) he manages to lacerate his wrist. :beer: DaveH |
| cfellows:
I keep my compound set at 30 degrees. Not sure why. I guess parallel to the ways would be more useful. Chuck |
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