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Questions tagged [rolling]

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14 questions
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-1 votes
0 answers
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I'm designing a rail span 50 meters long with a 100kg cart rolling along its length. Rail needs to be ~1 m above ground. The biggest load the rail will take is 100kg (cart+payload), and we'd like to ...
Hawke Dun's user avatar
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0 votes
2 answers
151 views

I have a technical challenge, where I need to properly evaluate the axial force of the cylinder (D) rolling on two rollers (d). Data of axial force is needed, because I need to properly design the ...
Grega's user avatar
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0 votes
1 answer
111 views

In the derivation for von Karman equation for metal strip rolling, an infinitesimal element is chosen as shown in the picture above. The equilibrium equation for the element is as follows: $$\left[\...
Utility ZC's user avatar
  • 15
0 votes
1 answer
59 views

A singular 2D circular rubber tire rolls with constant speed on solid plane non-deformable ground. How can one be able to qualitatively draw the pressure distribution made by the tire on the contact ...
AB2's user avatar
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6 votes
2 answers
3k views

At the large hotel where I work in the engineering department the big Halloween event is the annual Pumpkin Derby...and we've lost every year to the culinary department. It's embarrasing! This year, ...
ehbowen's user avatar
  • 223
2 votes
3 answers
118 views

Is there a positive displacement pump that experiences only rolling resistance? One with no sliding friction and diaphragm stretching?
Francis L.'s user avatar
  • 388
2 votes
2 answers
340 views

The differential equation for wheel speed can be given as: In here, $T_t$ is driving torque (not braking), $F_x$ is longitudinal force of tyre, $J_w$ is wheel inertia, $\dot{w}$ is angular speed of ...
voo's user avatar
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3 votes
1 answer
121 views

Recently I visited the steel industry, I discover contract workers trimming loops of head and tail side of every coil: For 12mm rebar coils, they have to trim 8 loops at head and 3 loops at tail side. ...
J J roy's user avatar
  • 53
2 votes
1 answer
74 views

Recently, I visited industry where they produce steel coils (rebar + plain coils). At the end of the production process, I discover that rebar coils are getting sprayed by water: Whereas plain coils ...
J J roy's user avatar
  • 53
0 votes
2 answers
411 views

From google, I got this meaning of Wire rod: Wire rod is a long steel semi-finished product manufactured by hot rolling billets on continuous rolling mills. Here is the stack of steel coils: Why ...
Atlas G's user avatar
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1 vote
0 answers
35 views

There is a method using in automotive industry which is called roller hemming. I have a project about this method but before beginning the project I need to learn the standards(EN,ANSI or ISO) which ...
Yunus Temurlenk's user avatar
  • 111
-3 votes
1 answer
661 views

There is something wrong with the way we describe how a cornering vehicle wheel creates a cornering force. I think a rolling wheel must first rotate on a vertical axis to then create the cornering ...
Matt Zusy's user avatar
  • 7
0 votes
2 answers
106 views

In the rolling process, Why should the velocity of the strip at the entry before coming in contact with roller be lesser than the velocity of the roller?
SK05's user avatar
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1 vote
0 answers
86 views

I'm designing a rolling machine for reduction of steel ingots of $5 mm$ to $1.96 mm$ thick. I can convince myself using equations why increasing the coefficient of friction (in case of lubrication ...
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