Subject:
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Re: Road Grader
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Newsgroups:
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lugnet.technic
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Date:
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Mon, 3 Oct 2005 22:13:36 GMT
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Viewed:
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8386 times
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In lugnet.technic, Alvin Brant wrote:
> In lugnet.technic, Nathan Bell wrote:
> > Why do the front tires of Road graders tilt sideways? My guess is that 1)it
> > might lower the blade, it won't lower that much 2) to be able to drive on a
> > tilted surface. If the first is true, it would not lower the blade much unless
> > they tilt more than 45 degrees. If the second is true, then do the 4 rear
> > wheels have a way to tilt sideways, or does the whole frame glide forward at a
> > twisted angle?? I should post some new pics in the next few days of what I have
> > built so far along with some updated pics of my new crane design.
>
>
> Nathan,
>
> I called my brother in law who owns a large utility company, which has about 4
> of the Cat 14H Motor Graders, and he said that the front tires tilt for two
> reasons.
>
> The first is when you are going in forward, it gives you a better turning
> radius, this is vital because the machine is so long.
>
> Secondly, he said that when the machine is grading in reverse, the tilt of the
> tires gives them better traction, therfore making it easier for the machine to
> grade backwards without slipping from left to right because the force of the
> dirt on the back side of the blade causes an "upheval" action on the entire
> machine.
>
> He said that the rear tires do not tilt at all, nor does the machine "twist"
> because both tires must be tilted the same way, therefore the machine gets
> slighty lower in the front, but stays on the same plane.
>
> Makes sense to me.
>
> Alvin.
You are the first person to answer that question for me. Is 30 degrees of tilt
enough?
Thanks.
Nathan
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Message has 1 Reply:
 | | Re: Road Grader
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| Nate- Compliments go out to the design of the grader! I like the way you used the pneumatics in the front steering (I guess I was wrong about the length of the piston arm!). On your other creation, the road scraper, do you also plan to use (...) (21 years ago, 16-Oct-05, to lugnet.technic)
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Message is in Reply To:
| | Re: Road grader
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| (...) Nathan, I called my brother in law who owns a large utility company, which has about 4 of the Cat 14H Motor Graders, and he said that the front tires tilt for two reasons. The first is when you are going in forward, it gives you a better (...) (21 years ago, 3-Oct-05, to lugnet.technic)
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