Thanks Andy, that helped a great deal, particularly the two formula's referring to the angle klm. If I make (Rmajor-r) the crank stroke and r the crankpin radius I think that should do nicely.
Mind you, the neracar blog didn't help at all- I am now going to have to spend several (enjoyable) hours going through that! Ken. On Thu, Jul 27, 2017 at 11:24 AM, andy pugh <[email protected]> wrote: > On 27 July 2017 at 02:13, Ken Johnson <[email protected]> wrote: > >> Specifically, machining the crankpins while having the blank turning >> on it's main journal axis. I know the tool will have to move in both y >> and z axis simultaneously to follow the crankpin around, but at that >> point, my imagination and knowledge fail me. > > This will either help or confuse: > > http://bodgesoc.blogspot.co.uk/2016/11/cams.html > > -- > atp > "A motorcycle is a bicycle with a pandemonium attachment and is > designed for the especial use of mechanical geniuses, daredevils and > lunatics." > — George Fitch, Atlanta Constitution Newspaper, 1916 > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
