What Supports Wheel Load?
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Obviously the bearings don't bear the entire weight of the vehicle. The OP asked about the wheels.
Topic: "What Supports Wheel Load?"
Topic: "What Supports Wheel Load?"
Scroll down to about the middle of this page:
http://science.howstuffworks.com/transport/engines-equipment/bearing2.htm
http://science.howstuffworks.com/transport/engines-equipment/bearing2.htm
Originally Posted By: HangFire
I tried.
I know what you're thinking.
Let's clarify what "load" the OP was asking about, shall we?
The road transfers load to the tire. The tire takes a lot, but transfers load to the wheel. It's this wheel load that the OP was asking about, where it goes.
In this problem, the tire and wheel are considered as a single mechanical unit, the "wheel/tire assembly." When the wheel is properly positioned and torqued, the hub is considered as part of this single mechanical unit as well. So the wheel load goes to the bearings.
Other parts of the suspension are also under various kinds of load. The OP asked about the wheel load, and for a specific reason.
Ironically, I've been researching tires lately for my next purchase. That's what brought me to this section of the board.
But I've also been looking at wheels, of a "generic" type with a large center bore that doesn't come anywhere near the hub. I was concerned how those wheels would work, so I looked into it. You just have to be very careful how you install those wheels, is what I learned.
I tried.
I know what you're thinking.
Let's clarify what "load" the OP was asking about, shall we?
The road transfers load to the tire. The tire takes a lot, but transfers load to the wheel. It's this wheel load that the OP was asking about, where it goes.
In this problem, the tire and wheel are considered as a single mechanical unit, the "wheel/tire assembly." When the wheel is properly positioned and torqued, the hub is considered as part of this single mechanical unit as well. So the wheel load goes to the bearings.
Other parts of the suspension are also under various kinds of load. The OP asked about the wheel load, and for a specific reason.
Ironically, I've been researching tires lately for my next purchase. That's what brought me to this section of the board.
But I've also been looking at wheels, of a "generic" type with a large center bore that doesn't come anywhere near the hub. I was concerned how those wheels would work, so I looked into it. You just have to be very careful how you install those wheels, is what I learned.
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Ok, a caveat.
Originally Posted By: jiho
When the wheel is properly positioned and torqued, the hub is considered as part of this single mechanical unit as well.
I know people can quibble about this. Yes, torquing the lug nuts does load the studs. That's what applies the clamping force that makes it all a single mechanical unit, transferring load to the bearings. And how is "clamping force" defined anyway? Is it frictional?
And no, I am not an engineer, so I'm not practiced in explaining these things, and you'll just have to do your own homework if you really want to know. I've expended an awful lot of words on this one fairly small point, and that ought to raise a red flag.
In any case (or mechanical unit therein), Merry Christmas everyone!
Originally Posted By: jiho
When the wheel is properly positioned and torqued, the hub is considered as part of this single mechanical unit as well.
I know people can quibble about this. Yes, torquing the lug nuts does load the studs. That's what applies the clamping force that makes it all a single mechanical unit, transferring load to the bearings. And how is "clamping force" defined anyway? Is it frictional?
And no, I am not an engineer, so I'm not practiced in explaining these things, and you'll just have to do your own homework if you really want to know. I've expended an awful lot of words on this one fairly small point, and that ought to raise a red flag.
In any case (or mechanical unit therein), Merry Christmas everyone!
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