Rolling is to press the metal billet into a certain shape.
For example: Steel rolling is the process of rolling steel billets into various useful material steels required by rolling mills.
A rolling mill is a machine that repeatedly passes hot metal through rollers to roll it into shape.
A roll is a set of two or more related rollers in a steel rolling mill.
Rolling is to use a rolling mill to roll metal into plates, bars or special-shaped materials of various cross-sections
A multi-roller rolling mill is a new type of rolling mill with four rollers. , six-roller, twelve-roller, twenty-roller, etc., two of the rolls directly used for rolling are work rolls, and the rest are support rolls. Multi-roll mills are commonly used for cold rolling sheet, strip and foil.
The six-high rolling mill was developed by Hitachi Corporation of Japan in 1972. This machine has unique plate shape control and crown control functions. Structurally, it adopts Sichuan AGC device, __E making roller, and a series of hydraulic and electrical feedback control systems and detection systems such as lateral movement of inter-door rollers. In 1983, Japan owned 37 units of this type of equipment. The Japanese patent has already spread to the United States, West Germany, Canada, East Germany, Brazil, South Korea, Mexico, Sweden, Spain, Finland, France, Italy and other countries. As of 1986, more than 300 such rolling mills have been manufactured. Among them, the models have developed from the original HC rolling mill into various six-high rolling mills such as HCM, HCMW, UC and their variants CC, HVC, 6MB rolling mill, etc.