The cold roll forming machine consists of a frame, rolls, a transmission device, a motor, a shearing device and a control cabinet. Depending on different types of cold roll forming machines, manual pull - cutting, electric pull - cutting, punching devices, film - covering devices, etc. can be added.
Professionally speaking, a cold roll forming machine is a processing machinery that uses multiple sets of forming rolls arranged in sequence. It continuously rolls metal sheets such as coils and strips to produce profiles with specific cross - sections. The metal profiles processed by the cold roll forming machine have regular shapes and elegant, good - looking patterns. Cold - formed products have been widely applied in our daily life. Every house, office, warehouse, factory and even automobiles contain many cold - formed metal products.
The cold roll forming machine consists of a frame, rolls, a transmission device, a motor, a shearing device and a control cabinet. Depending on different types of cold roll forming machines, manual pull - cutting, electric pull - cutting, punching devices, film - covering devices, etc. can be added.
Relying on the automated feeding system and the continuously rotating roll structure, the cold roll forming machine can rapidly transform flat metal profiles into formed profiles at a speed of several meters or even tens of meters per minute. Take the production of common roof panels as an example. Under normal working conditions, the production line speed of a cold roll forming machine can reach 35m/min. The process from loading raw materials to unloading finished products is completed in one go. This highly efficient production mode has made remarkable achievements in the construction industry.
Rolls are the core elements for ensuring quality. They are made from materials processed by CNC lathes and turning - milling machines. The manufacturing tolerances of the rolls are strictly controlled within a certain range. Their surfaces are finely polished and hardened, ensuring that the surfaces of the profiles are smooth and free of marks when pressing the finished products. According to the principle of equal stress in each pass, the rolls along the entire line are evenly stressed, the wear is balanced, and the service life of the rolls is extended.
The metal profiles processed by the cold roll forming machine have regular shapes, no burrs on the surface and beautiful patterns. In the construction field, cold - formed steel is widely used in key parts such as the load - bearing frames of high - rise buildings and the support structures of bridges. The roof and wall panels of various industrial plants and large - scale warehousing and logistics centers are mostly made by precisely bending color steel plates into specific patterns by the cold roll forming machine. With excellent waterproof, wind - resistant and load - bearing performances, they protect buildings from wind and rain. In key load - bearing components such as beams, columns and trusses in building structures, cold - formed steel, with its high - strength and lightweight advantages, is gradually replacing traditional hot - rolled steel. It is widely used in high - rise buildings and large - span stadiums. For example, some structural components of the Bird's Nest use cold - formed steel, which reduces the amount of steel used while ensuring stable support. It has promoted the vigorous development of prefabricated buildings, enabling the rapid production of standardized and modular components. The construction site is like "building blocks", shortening the construction period and reducing construction waste, injecting strong impetus into green buildings.
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