I run straight knurls all the time they are a tad different and more picky then a cut diamond knurl,
a few things I personally have learned.
Never run stock alum bar and expect a good knurl, you will have runout problems and your knurl will look like crap,
I always take a skim cut to true up the alum stock.
like said previously depending on the knurl pitch will depend on the depth of cut. if you need a certain od dia and tol, state it in your print AFTER knurl, there is no problem holding a .001 dim. on a straight knurled surface providing the dia is cut true before the knurl.
also because the straight knurl relies on pressure the length of you part is going to vary on the od tol. if the part is too long you can program a slight taper in the od tool and the knurl tool to keep your tol.
Delw |