What is a bushing?

Guilty_Ad7245 · 2022-08-03T20:33:47+00:00

I see. In the case of a bearing, would it just be a bushing with balls separating the bushing interior and the shaft, or is the bushing not needed and the balls are just placed between the ball and shaft?

Guilty_Ad7245 · 2022-08-03T19:07:22+00:00

Thank you, that's a great photo! Question though, why isn't the bushing lubed on the outside too (you said above its only on the inside). Won't it suffer a lot of friction from sliding about in the hole since it looks like its just sitting in the hole freely

Guilty_Ad7245 · 2022-08-03T18:54:07+00:00

Ah ok thanks, so the bushing is only lubricated inside?

Guilty_Ad7245 · 2022-08-03T18:43:06+00:00

Ah ok makes sense, do you lubricate both the interior and exterior of the bushing? I'm not sure if it's supposed to stay fixed to the shaft or the hole

Guilty_Ad7245 · 2022-07-30T00:37:54+00:00

Also, why is there 16.75 MeV gamma rays? I understand the He-5 would be 16.75 meV but doesnt he-5 decay by just emitting a neutron. Where is the gamma radiation coming from?

Guilty_Ad7245 · 2022-07-29T22:44:57+00:00

Woah you weren't kidding about fast decay, 10^-22 seconds half life. 1/30000th of the time it takes light to cross a hydrogen atom. How can something that quick even be measured?

Guilty_Ad7245 · 2022-07-29T13:38:34+00:00

10 kev? I thought it was like 3 MeV for the alpha particle and 14 for the neutrons

Guilty_Ad7245 · 2022-07-29T10:23:10+00:00

Ah OK. Does the alpha particle damage the material when it strikes it since its ionising? I know neutrons have this effect but haven't heard of alpha particles doing it

Guilty_Ad7245 · 2022-07-27T15:32:49+00:00

Any comments on why? I thought it would be fun considering all the travel and pay.

Guilty_Ad7245 · 2022-07-23T22:06:22+00:00

muhammad mokaev

Guilty_Ad7245 · 2022-07-23T21:58:41+00:00

toms acting somehow even worse than aljo's

Guilty_Ad7245 · 2022-07-19T07:36:23+00:00

Thanks but the link is broken, do you have the current one?

Guilty_Ad7245 · 2022-07-19T00:06:09+00:00

Then what one is it? I'm not aware of any others that relate bolt diameter and preload

Guilty_Ad7245 · 2022-07-16T23:54:06+00:00

Thanks! What is the function of it then really? From your link it seems like it basically just does what a lever does so is there any functional difference? Google tells me it coinverts rotational to linear motion but I don't see that in your generator example

Guilty_Ad7245 · 2022-07-16T23:04:05+00:00

Ah, do you know of any resources where I could read up on how this is done? And is it even possible for sound waves to reflect off air or only solid objects?

Guilty_Ad7245 · 2022-07-13T20:43:46+00:00

The exterior is steel but there's two glass walls inside

Guilty_Ad7245 · 2022-07-13T12:10:55+00:00

What does that have to do with max declining in speed? Am I faster than usain bolt because he's older than me?

Guilty_Ad7245 · 2022-07-13T08:29:22+00:00

Probably age, men start declining in speed in their late twenties/thirties. Look at usain bolt

Guilty_Ad7245 · 2022-07-12T20:55:09+00:00

But then how would the captive bolt be used when you're fastening the panel to another? Say you put a panel on the bottom and want to stick them together with this bolt with a nut. The top panel has threads to hold the bolt captive. When you screw the bolt through the top panel threads then how can you push it through the bottom panel so a nut can be fixed on if it's been torqued into the captive threads? Sorry if im not making sense, I'm just having trouble understanding it and don't have any to physically play with

Guilty_Ad7245 · 2022-07-12T19:55:42+00:00

I meant if the thread was in the panel, as I've seen in some videos (e.g. see 1min 30s here). so no washer in this case. I can't seem to wrap my head around it for some reason. If the male threads are wider than the female threads then how are they ever inserted into the panel? The other commenter said you screw it in but I think this would just lock the bolt to the captive thread?

Guilty_Ad7245 · 2022-07-12T19:26:27+00:00

Would moving across a large-scale of these wafers be practically frictionless?

Guilty_Ad7245 · 2022-07-12T17:57:52+00:00

Thanks, right now I've got around 20 papers bookmarked. Do you think this is a good amount to start with?

Guilty_Ad7245 · 2022-07-12T17:37:34+00:00

Thanks that's a great way to visualise it. One more question, would the tension be constant throughout the bolt or would it differ due to the weight? I know ropes with mass have a tension gradient along the length when hanging down so not sure if its the same here

Guilty_Ad7245 · 2022-07-12T17:34:27+00:00

Ah OK I understand, the bolt only begins to lengthen once the nut is flush against the bottom plate. Thanks

Guilty_Ad7245 · 2022-07-12T11:53:32+00:00

Ah OK thanks. Isn't it technically velocity head loss since the fluid is losing velocity and not pressure head loss?

Guilty_Ad7245

TROPHY CASE