Understanding the differences between rolling and bending is crucial for anyone involved in metalworking.
These two processes are used for different purposes and have distinct methods of metal deformation.
Let's break down the key differences between rolling and bending.
4 Key Differences Explained
1. Method of Metal Deformation
Rolling involves passing metal through a set of rotating rolls to reduce its thickness and increase its length.
This process often results in a uniform cross-sectional area.
Bending, on the other hand, deforms metal by applying force to create a curvature along a specific axis.
This alters the shape without significantly changing the thickness.
2. Purpose of Metal Deformation
Rolling is typically used to produce sheet metal or plates.
It is aimed at reducing the thickness and increasing the length of the metal.
Bending is used to create specific shapes or curvatures.
This process is essential for making structural components, frames, and enclosures.
3. Types of Rolling and Bending
Rolling can be done either hot or cold.
Hot rolling is used for larger workpieces and materials that are difficult to roll cold.
Cold rolling increases the strength and hardness of the metal through work hardening.
Bending can be done with various methods, including air bending, bottoming, and coining.
These methods depend on the required precision and the material's properties.
4. Equipment and Tools Used
Rolling uses rolling mills designed to reduce the thickness of the metal or make it more uniform.
The process involves multiple passes through the rolls, with the gap between the rolls decreasing each time.
Bending uses tools such as press brakes, rolls, or other bending machines to apply force to the metal.
The metal is deformed locally, and the thickness remains relatively unchanged.
Continue exploring, consult our experts
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