These pictures demonstrate a complete automatic steel shell production line.
Principle 1: Automatic feeding of steel plates——Automatic heavy stamping——Primary trimming of floor plates——Secondary trimming of floor plates (including punching and corner cutting etc)
Principle 2: Fold the sides of a floor panel up 90 degrees. After being pressed, a steel base and a steel top are welded together to form a hollow shell.
These pictures show the whole automatic plastic coating line.
After being produced and cleaned, these steel plates will undergo an expensive and market-leading phosphating process so as to create a bond between plastic powder and steel floor. The plastic powder is available in various colors, thus making the steel plate beautiful.