exact gear ratio

Karl Townsend · 2008-11-26T19:14:17+00:00

I'm setting up rigid tapping on my mill. The encoder is ahead of the backgear so I'm wanting the exact gear ratio. I set up an encoder on both the shaft before the backgear and at the cutting tool so I could measure the turns of the spindle down to .01 revolution accuracy and took this dataTurns at tool turns at drive 1 6.1245 8 49.0573 80 490.65163.050 1000Is there a math wiz out there that can tell me how many teeth on the drive gear and how many on the driven gear? (integer ratio of this data)Karl