Questions tagged [rolling]
The rolling tag has no usage guidance.
10
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How to build a winning Pumpkin Derby racer?
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, ...
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3
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Is there a positive displacement pump that experiences only rolling resistance?
Is there a positive displacement pump that experiences only rolling resistance? One with no sliding friction and diaphragm stretching?
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2
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Effects of rolling resistance on wheel angular and vehicle longitudinal speed
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 ...
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1
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What's the purpose of trimming loops at ends of every coil?
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....
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1
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What's the purpose of spraying water on rebar coils but not on plain coils?
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 ...
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2
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Why steel coils are called Wire rod?
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 ...
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0
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How can I learn the standards(EN,ANSI,ISO) which is related to "roller hemming method in automotive industry"?
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 ...
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Can a rolling wheel create a side force without first rotating on a vertical axis at its contact patch? [closed]
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 ...
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2
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MANUFACTURING PROCESS: ROLLING PROCESS
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?
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Why increasing the coefficient of friction results in evenly distributed load in rolling machines?
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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