The profile bending machine bends Beam several times to get the ideal workpiece
A common question about beam bending is how many times it takes to use a three-roll profile bending machine (also called a "section bending machine" or "angle roller").
This is an uncomplicated question. The answer depends on the size and physical properties of the beam to be bent.
The modern steel profile bending machine can be set to a very precise position through its advanced control and digital readings. However, experience has shown that even if the machine is precisely set, even if the subsequent rolling settings are the same, the bending of the beam will be different. The differences between the workpieces are due to changes in beam dimensions and changes in beam physical properties.
As a result, multiple passes are usually required. After each pass, the profile bending machine operator not only checks the radius, but also checks for twists or other deformations, and then adjusts the machine accordingly. Therefore, depending on the material, the beam may be bent once at a time, or it may be bent three or four or more.