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Had a cone drive gearset in a hobber done the same way, but the better way to do that is with a dualead (r) worm. The worm is ground with a slightly different lead on the two sides of the tooth, so that it gets fatter along the axis. Then you just move the worm along the axis to take up backlash. The split kind only has half a tooth in contact, where dualead (r), Gould & Eberhardt, 18-something, still has the entire face of the wormgear in contact.I ran across something I've never seen before, an adjustable worm gear.Gear is split down the middle and a cam does the adjusting.
At 30 rpm it shouldn't be a huge problemI'd be interested to see what effect that sharp edge has on the worm gear.
At 30 rpm it shouldn't be a huge problem
What is the brand and description of the head please.
In tabulating machines (Paper shuffling in old gov't office machines) I've seen regular involute gears in two mating pieces like that with a spring arcing in a cutout between them, so that the gears are constantly in contact with both sides of the mating gears teeth at all times. I'm sure it only works with very lightly loaded gear sets.
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