Suggest you buy diametral pitch knurls (accu-trak.com is one source). For example, 96DP knurls will track properly on a work blank diameter that is any multiple of 1/96 inch.What I want is a rule or a chart to scale the size of the knurl and the diameter. In order to knurls not apper too rough or too
....intersting Reed Machinery knurls data
Yeah, yepyep, the Armstrong (NOS) wheels that I picked up are odd, their pitches are 14, 21, 33.Suggest you buy diametral pitch knurls (accu-trak.com is one source). For example, 96DP knurls will track properly on a work blank diameter that is any multiple of 1/96 inch.
The rule is that the circumference of the part has to be an exact multiple of the knurl spacing. Eg, if your knurl has sixteen knurls per inch, then the circumference has to be an exact multiple of a 1/16".Someone have a rule or a chart relating knurl pitch to part diameter?