Slitting Line

A. Mother Coils Specifications For This Slitting Line:

1. The slitting is design for slitting of CRGO & CRNGO Electrical Steel Coils

2. Material Tensile strength:         σ_b≤440Mpa, σ_0.2≤280Mpa

3. Material:                                           Thickness: 0.23-0.5mm

4. Coil width:                                     600-1250 mm

5. Coil inside-diameter:                  Ф508mm ±20

6. The coil outside-diameter:          1200mm (max)

7. Coil weigh:                                     5t-8t (max)

B. Finished Product / Slit Coils Specification:

1. Coil inside-diameter:                Ф508mm ±20

2. Coil outside-diameter:             1200mm (max)

3. Coil weight:                                5t-8t (max)

4. Width tolerance:                        ±0.05 mm

5. Slitting width:                             60mm (min)

6. Number of strips:                      10 strips (max)

7. Clearance between slitting

Cutters and spacers:                ≤0.005 mm

8. Clearance between slitting

Cutters inside-diameter and main slitting shaft outside-diameter: ≤0.05 mm.

This is to ensure proper slitting quality of coils.

C. Equipment Specification with Slitting Lines:

1.    Electric power supply:          380V/50 Hz/3PH

2.   Electric power capacity:       About 80KW

3.    Slitting speed:                        0-150m/min

4.   Slitting mechanism:              Rotating Slitting Disc

5.   Re-coiler director:                 Anti-clockwise

6.   Gross Power:             About 60KW

7. Control mode:                    Electromagnetic speed adjustment, PLC control

8.    Floor area:                              About 16m length x 8m width

9.   The slitting line direction:       From right to left (Facing from operating station)

10.  Machine colour:                      Green (Standard)

D. Machineries Assembly:

1. Hydraulic Un-coiler:                                                        1 set

2. Un-coiler support arm:                                                    1 set

3. Guard rail:                                                                            2 sets

4. Main slitting shaft:                                                 1 set,
1250mm rotating slitting

                                                                      Shaft with on-line grinding equipment.

5. Material feeding guide:                                                   1 set

6. On-line length measurement equipment:                  1 set

7. Pneumatic tensioning and separating shaft:            1 set, for un-coiler

8. Re-coiler:                                                                             1 set

9. Re-coiler support arm:                                                    1 set

10. Pneumatic system:                                                        1 set

11. Lubrication system:                                                       1 set

12. Electrical control system:                                              1 set