Robot bending

The birth of the “first sheet metal” dates back to prehistoric times. It was not until the malleable materials such as gold and silver were cold worked and then hammered with stones that a very delicate sheet was obtained and then used for processing that valuable sheets were made.

This process can not only make jewelry, but also make armor parts. Soft iron can only be hot worked, which will cause special problems of thin thickness.

The real turning point of sheet metal production is the introduction of rolling mill. The first known design of the rolling mill can be traced back to Leonardo, who first described the design of “passing material” between two cylindrical rollers with parallel shafts in a drawing dated 1480.

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By Yan yifan

One of China's Experienced Precision Sheet Metal Manufacturer and Fabricator Since 2011

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