I have a gear box which gear specs and drawings are in hand, but the center distance of mating gears are more than standard ([z1M1+z2M2]/2 )and the geometry of gears do not match to gear specs. here is the drawing of 2 mating gears in attachment which center distance is 544.410+-0.125 according...
hi, It's common to reduce the center distance of 2 mating gear in order to lessen the backlash of mating gear which for more precise motion transmission. BUT I've a heavy load(32 tone) gear box in my stock which mating gears has a center distance more than standard and it is something unusual...