Detailed Product Description

The steel plate pretreatment line consists of lateral hydraulic pressure feeder and blanker, feeding and blanking roller, shot blast system, dust removing system, testing roller, automatic paint-spraying system, drying System, as well as electrical control system (including a workpiece detector).

1. Processable workpiece

1.1 Specification of processable steel plate

Thickness:                                                6~40mm

Width:                                                     ≤3000mm

Length:                                                   3000~15000mm

1.2   Specification of processable profiled bar

Length:                                             3000~15000mm

Maximum section dimension of profiled bar: Width * Height   1500×500mm

2.      Speed:

2.1 Transportation speed of roller belt                                    V=0.8~3.5m/min

2.2 Processing speed

When processing steel plate: (steel plate in class B)        V=0.8~3.0m/min

When processing profiled bar: (profiled bar in class B)      V=0.8~2.0m/min

3.      Quality criterion:

3.1 The cleanness of steel plate surface should conform to GB8923-88 (Steel plate in class B)                                                 Level Sa2.5

3.2 Roughness of steel surface should conform to GB1031-83:      Ra40~70μm

3.3 Thickness of paint film (dry):                                 15~25μm

4. Environment protection criterion:

4.1 Equipments noise should conform to GBJ87-85                   ≤95dB

4.2 Density of powder and dust emission: The emission density at the exit after air purifying should conform to GBJ4-73:      

                                                                                                      ≤100mg/m³