A cut-to-length line is a machine used in metalworking to produce flat sheets of metal of a desired length. The machine can cut a coil of metal into sheets of a set length, width and thickness, and can be used for various types of metal including steel, aluminum, and copper. The line consists of a decoiler, straightener, slitter, and a shear or rotary cut-to-length unit. The decoiler uncoils the metal from a coil, the straightener flattens it, the slitter cuts it into strips, and the shear or rotary cut-to-length unit cuts it into sheets of a desired length. The sheets can then be stacked, packaged and shipped to customers. Cut-to-length lines are commonly used in the automotive, construction, and appliance industries.

A coil leveler is a machine used in metalworking to level and flatten coiled sheet metal. The machine is designed to unroll the coiled sheet metal and pass it through a series of rollers, which apply pressure to the metal and level it out. The coil leveler can be used to correct any distortions or imperfections in the sheet metal caused by the coiling process.

A sheet metal decoiler is a machine used in metalworking to unwind and straighten coils of sheet metal. It is designed to hold and unroll large coils of sheet metal, allowing the material to be easily fed into other machines for further processing. The decoiler works by rotating the metal coil and feeding it through a set of rollers that flatten and straighten the material. Sheet metal decoilers are commonly used in industries such as automotive manufacturing, construction, and HVAC systems. They come in a range of sizes and capacities to accommodate different types of materials and production requirements.