Tilter Skipping

My filter’s gears slip under high loads, such as tilting a full tray of cubes forwards. Max is 7 cubes
The gear slips and makes that awful snap noise and I’m not quite sure what is causing it/what I can do to fix it.
Am I the only one with this issue?

A few pics btw
The smaller 18 tooth gear is using a HS shaft, all the others are normal
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make sure you’re using bearings, that your shafts are all properly supported, and that none of your shafts can flex or bend.

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Unless your shaft isn’t secured at both ends it might have to do with entire segments bending out of the way. As I found when I had issues with our differential transmission, there might not be a great fix.

Try to get like a slo mo video of the gears slipping, that’ll help you figure out where to add support.

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I took the video @Deicer but I couldnt seem to find out why. Could you (or anyone else) help me figure it out?
Thanks!
https://drive.google.com/file/d/13UqyVoT2HfXUas31fUEhPPczzIpQWlhD/view?usp=drivesdk

you’ll have to change viewing permissions, I can’t see it.

Ok, I changed it. Sorry about that

Are both gears on the same piece of metal?

That small gear looks a bit angled, but all of your shafts are moving - I must be missing something. I can’t tell what shaft spins the actual tilter, but do you see it spinning? If so your tilter just needs to be properly connected to the shaft.

EDIT: are you using lock plates to connect the shaft to the tilter? it’s probably broken.

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The gear ratio is compounded. I dont have any lock bars.
Where is most of the strain coming from?

, no, the driven gear and driving gear are on two separate pieces

at any case somewhere there is a connection where one side of the equation is moving and the other is not. I suspect it is the connection from your output shaft to the structure of the tilter. I can’t see this connection in the video, so I’m asking if you see the output shaft rotating as it should.

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If possible try putting a spacer between the gears and the metal. I don’t know if this will help much, but it will remove friction between the two.

How far are the gears from each other? Get a picture of the gears side by side perhaps that are too far apart.

I didn’t look at the video but what I did is I did a 1:7 ratio for the tilter and used a green insert for the 84t gear and put a screw through the big gear. Then I just used 12t gear on 100rpm with an HS axle and this setup works well enough to get at least 12 cubes.

Interesting. A 1:ratio with 100 rpm can get 12 cubes? I’ll have to look into that

Sorry I don’t have any good pictures of my robot right now but this is a CAD of my tilter. It doesn’t skip and can push more than 10 cubes. It is a 1:7 gear ratio and the motor is a 100 RPM.

44%20AM

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We have a 5:1 100RPM tilter that works for 9 (maybe more). Make sure you use screw joints where possible, and try replacing the gears because they might he stripped. If you are using a parallel 4 bar for the tilter/tray, consider offsetting it because you can increase its mechanical advantage that way.

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Are your gears cantilevered? That’ll do it for sure.

If this is the case, a fix can be as simple as slapping a 1x bar connecting gears between the gear and collar. (Be sure to use bearings if spacing allows.)


Don’t use this solution if avoidable

Last minute ditch-all fix:

Literally zip tie shafts together. It’ll increase friction, and it’s a really janky solution. But, it works in a pinch. I like to think it’s saved me in the past when I didn’t have time/space to figure out a better solution.

Zip ties are the duct tape of Vex. But you wouldn’t use duct tape permanently to fix a leaky faucet.

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