Huge quantities of sheet steel, profiles and fabrications have to be cleaned, treated and painted before final assembly. Preservation line is the processing technology that blasting steel plate or beam surface treatment and painting protection antirust paint before processing. After preservation can improve the corrosion resistance of mechanical products and metal components, improve fatigue resistance, extending its life; It also can optimize the production process state of steel surface, in favor of CNC cutting machine to cutting and precision blanking. Furthermore, since the workpiece before processing is regular shape, it is conducive to mechanical descaling and automated spray paint, so using preservation can reduce labor intensity and greatly improve the efficiency of clean-up operations, reducing pollution of the environment. Sheet widths of up to 5000mm can be processed, with passage speeds varying from 1.0m/min to 8.0m/min.

Key to Preservation Line

1.Cross transfer conveyor
2.Inlet roller conveyor
3.Pre-heater
4.Roller conveyor shot blast machine
5.Blast machine filter
6.Paint spray chamber
7.Paint supply system
8.Filter from VOC-System
9.VOC-System
10.Drying chamber
11.Slat conveyor
12.Outlet roller table
13.Cross transfer conveyor

Preservation Line 4

Shot blast machines are used to remove scale and rust from metal profiles and sheet metal components. By combining a roller conveyor with the appropriate crossover conveyors, individual process steps such as blasting, conservation, sawing and drilling can be interlinked. This ensures a flexible manufacturing process and high material output.

Another field of application for the roller conveyor blast machine is the blasting of large machine constructions. In cases such as these, the arrangement of the blast turbines and passageways is adapted to the size of the work pieces.

Treated object travel on hanging closed conveyor through several technological procedures such as delubrication, shot blasting, coloring, etc. Treated objects are hanged individually to hooks on a hanging closed conveyor. In the process of shot blasting the treated objects move through jets of shot blasting agent from turbines, which are installed at different angles with regard to direction of the movement which provides efficient treatment. Subsequent welding and storing material for a prolonged period of time is possible by choosing the adequate basic coating.

shot blasting

Preservation Line 6

painting and drying

Preservation Line 7