TAGS: steel | plate | ship plates |
Ship plates can be bent using several methods, including:
1. Cold Bending
This involves bending the plate using a bending press or a rolling machine at room temperature. The plate is slowly and gradually bent to its desired curvature. Cold bending is suitable for plates with smaller thicknesses and lower yield strengths.
2. Hot Bending
Hot bending involves heating the plate to a certain temperature before bending it. This method is used for plates with higher thickness and yield strength. During the heating process, the plate is kept in a furnace until it reaches the desired temperature. The plate is then removed and bent using a press brake or a roll bending machine.
3. Induction Bending
Induction bending uses an induction coil to heat a specific section of the plate. The heated section is then bent using a press brake or a bending machine. This method is particularly useful for plates with complex shapes, as it allows for more precise bending.
4. Hydraulic Bulge Forming
This method involves pressurizing water in a chamber around the plate, causing it to bulge and bend to the desired shape. Hydraulic bulge forming is often used for large, thick plates that cannot be bent using other methods.
the choice of bending method for ship plates largely depends on the thickness and yield strength of the plate, as well as the desired curvature and shape. Each method has its own advantages and limitations, and shipbuilders must carefully consider these factors before choosing a bending method.