Force between two different metals?

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SUMMARY

The discussion focuses on calculating the force exerted by a 40 kg/m train rail, measuring approximately 65 meters in length, on a guard in a rolling mill. The user seeks to determine the force causing the guard to break and proposes using a deflection detector and accelerometers to gather data. The suggested method involves calibrating the deflection measurement with known forces to understand the impact during production. This approach aims to prevent future breakages of the guard by providing precise force measurements.

PREREQUISITES
  • Understanding of basic physics principles, specifically force and pressure calculations.
  • Familiarity with measurement tools such as deflection detectors and accelerometers.
  • Knowledge of rolling mill operations and the specifications of train rail production.
  • Experience with data collection and analysis techniques in an industrial setting.
NEXT STEPS
  • Research methods for calculating force using weight and acceleration principles.
  • Learn about the calibration process for deflection measurement devices.
  • Explore data analysis techniques for interpreting measurements from accelerometers.
  • Investigate materials science to understand the properties of guards used in rolling mills.
USEFUL FOR

Manufacturing engineers, rolling mill operators, and quality control specialists involved in the production of train rails and related components.

MorneC
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Hi everyone...

I work in a rolling mill that produces train rail tracks. But I'm experiencing some problems. The guards I use keep breaking.

So here is the scinario. The rail we make is 40kg per meter. With a total length of around 65m. When it goes thru the mill pressure is applied to it in order to shape it to the sizes specified in our standards book. The moment it goes thru the mill guides and guards catch it and guide it into the direction I want it to go. The one specific guard keeps breaking. So I'm looking for a way to calculate for much force the rail is pressing down on to the guard.

I'm not even sure where to begin. But if you can tell me what you need, I can get it.
 
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My first thought would be to put an detector on the guard that would measure its deflection. I would also add an accelerator on each axis at the same time, in case that data helps me understand the environment later.
Then calibrate the deflection measurement by applying known forces to the guard - in the range of the forces you expect to get during production.

Then let it run and collect the data.
 
Can you post a photo showing the rail hitting the guard, and indicate where the guard is breaking?
 

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