How do steel coils roll up
Release time:
2025-04-25
The coiled steel will be inspected, cut (sliced to specified sizes) and packaged, and will eventually become a finished product for easy storage and transportation.
The coiling process of steel coils is mainly divided into the following steps:
Steel forming: The raw materials of the steel coil are made into steel billets through steelmaking, continuous casting, etc., and then processed into strips (i.e. flat steel). Hot rolling is to heat the billet to high temperature and roll it, while cold rolling is to roll it at room temperature. Both can form strips suitable for coiling.
Shipping Preparation: The strip may be treated such as pickling (removing surface oxides) and annealing (removing stresses) to improve surface quality and mechanical properties. For example, pickling uses an acid solution to clean the surface of the strip.
Carrying Process: Use a winding machine (also known as a winding machine) to roll the strip into a steel coil. The winder applies radial pressure and friction through the belt, causing elastic-plastic bending and deformation of the tape, and is wound on the drum to form a tight roll structure. Key technologies include:
Tension Control: Some coilers adopt a tension drum design to ensure that the steel coil layers are tight.
Bending Roll Adjustment: Control the inner diameter of the steel coil and the gap between layers by adjusting the bending roller gap to prevent looseness or abrasions.
Super processing: The coiled steel will be inspected, cut (sliced to specified sizes) and packaged, and will eventually become a finished product for easy storage and transportation.
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