Speed of Bar on Roller table after cutting

In summary, the speed of the bar on a roller table after cutting depends on factors such as the original speed, type of cutting process, and friction. The type of cutting process can greatly affect the speed, with sawing resulting in a higher speed compared to shearing. In most cases, the speed cannot be increased after cutting due to energy loss, but techniques such as lubrication can maintain or slightly increase it. Friction also plays a role, with higher friction resulting in a lower speed. Safety considerations for measuring the speed include wearing protective gear and following manufacturer's instructions.
  • #1
Kaustubh
3
0
If rolling mill is running at 10 meters per second and roller table is running at 20 meters per second.
Before cutting of bar, it will move at 10 meters per second.
After cutting bar has to move with the speed of 20 meters per second on roller table.
How much time bar will take to reach to that speed?
 
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  • #2
It depends on the friction, surely. If it were a 'rack and pinion' / rigid connection, it would jam.
 

Related to Speed of Bar on Roller table after cutting

1. What is the Speed of the Bar on a Roller Table after Cutting?

The speed of the bar on a roller table after cutting depends on various factors such as the original speed of the bar, the type of cutting process, and the friction between the bar and the roller table. However, in most cases, the speed of the bar will decrease after cutting due to the energy lost during the cutting process.

2. How does the Type of Cutting Process Affect the Speed of the Bar on a Roller Table?

The type of cutting process can significantly affect the speed of the bar on a roller table. For example, a sawing process will result in a higher speed compared to a shearing process. This is because sawing cuts through the material, while shearing applies force to separate it, resulting in more energy loss and a lower speed.

3. Can the Speed of the Bar on a Roller Table be Increased after Cutting?

In most cases, the speed of the bar on a roller table cannot be increased after cutting. This is because the energy lost during the cutting process cannot be regained. However, with the use of certain techniques, such as lubrication or reducing friction, the speed can be maintained or slightly increased.

4. How does Friction Affect the Speed of the Bar on a Roller Table after Cutting?

Friction plays a significant role in determining the speed of the bar on a roller table after cutting. Higher friction between the bar and the roller table will result in a lower speed, as more energy is lost due to the resistance. Therefore, reducing friction through lubrication or using smoother surfaces can help maintain the speed of the bar.

5. What are the Safety Considerations for Measuring the Speed of the Bar on a Roller Table after Cutting?

When measuring the speed of the bar on a roller table after cutting, it is essential to follow safety precautions to avoid any accidents. This may include wearing appropriate protective gear, ensuring the area is clear of any obstructions, and using proper measuring equipment. It is also crucial to follow the manufacturer's instructions and guidelines for the cutting process to ensure safe and accurate results.

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