 | | Worm Gear Problem
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| Would someone care to tell me how to take the slack out of wormgear joints? I love their strenth but hate the wobble. Anything you can give me would be appreciated. Thanks. -Brayton (19 years ago, 21-Dec-05, to lugnet.build.mecha)
| | | | | Re: Worm Gear Problem
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| (...) The backlash (spacing between the teeth of a gear and the splines on the worm gear) is difficult to over come. There are some techniques to reduce the effect. 1. Use Technic Throwbot Gear Boxes and use a z40 in the set up. 2. Use a compund (...) (19 years ago, 21-Dec-05, to lugnet.build.mecha, FTX)
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| Thanks a lot Eric. That'll do just fine. -Brayton (19 years ago, 21-Dec-05, to lugnet.build.mecha, FTX)
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| Hi Brayton, While erics reply is pretty comprehensive, have you posted to .technic to see what they have there? Warning - I am about to databurst again... I can see what eric says about the counter system - and I wander if if could be simply (...) (19 years ago, 22-Dec-05, to lugnet.build.mecha)
| | | | | Re: Worm Gear Problem
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| (...) I've done a similar solution however: I put 2 worm gears on 1 40t gear. One on top and one on the bottom. My intent was to counter the slipping that happens under severe loads. Though it's a pain to turn (you have to turn 2 axles in opposite (...) (19 years ago, 22-Dec-05, to lugnet.build.mecha)
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| Hey Danny, thats interesting. You may be on to something. I'm wondering, when a corrective tension is added (turning the opposing gear) the center of the axle will twist. Also, because the two drives are linked with z16's, when you turn one, the (...) (19 years ago, 22-Dec-05, to lugnet.build.mecha, lugnet.technic)
| | | | | Re: Worm Gear Problem
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| (...) Hi Eric, I actually intended that the inherent backlash in the z16s was exploited to turn them in a little after the positioning. You could replace my z16s with two z24s and a z8, making one of the z24s a clutch gear so you could turn them (...) (19 years ago, 22-Dec-05, to lugnet.build.mecha, lugnet.technic)
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| (...) A very interesting trick, Danny. Here is my implementation of your no-backlash transmission: (URL) Of course there is a trade-off between backlash and friction, but your design allows easy trimming. Philo (19 years ago, 22-Dec-05, to lugnet.build.mecha, lugnet.technic, FTX)
| | | | | Re: Worm Gear Problem
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| (...) The new style worm gears have the advantage, that they can be put onto a 5.5- axle like shown in the following pics. (2 URLs) complete> (URL) after moderation> (2 URLs) disassembled> (URL) after moderation> No additional parts are needed to (...) (19 years ago, 4-Jan-06, to lugnet.build.mecha, lugnet.technic, FTX)
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