Posted by jason desailly on June 23, 2008 at 11:52:49:
In Reply to: gleason no12 straight bevel posted by jim on June 10, 2008 at 20:36:03:
hello there, l believe the 2 gears you are talking about are the roll gears. the roll gears only change the amount of total roll you get. the ratio gears change the envolute relivant to each gear that you are cutting. as far as a standard ratio goes, there is no set amount of roll you must have, you must just have enough so that the cutters can roll completely out of the blank and finish former the correct envolute.
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