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Multi Blanking Line

Multi Blanking Line.


Line Parameters:
Coil weight up to 40 t.
Strip width up to 2100 mm. and more
Strip thickness from 0,10 up to 15 mm. and more
Production speed up to 140 m/min.
Production Capacity:
100.000 t. y of mix production.
Types of material:
Carbon Steel, stainless steel, aluminium, non ferrous metals and alloys.
Cold rolled, hot rolled, pickled, galvanized, dried, oiled, any coating and metals with sensitive surfaces.
Material strengths of more than 1200 N/mm2 with yield up to 1000 N/mm2.
Decoiler:
Coil inside diameter 508 and 610 mm. and more...
Automatic coil height and in-line centering.
Automatic strip edge centering system
Leveller:
Fully automatic cassette change up system, up to 23 levelling rolls in "four" and "six" highs design.
Strip Marking:
Single or multi - strand marking from top or from strip bottom.
Edge Trimmer:
With electric motor and automatic setting
Slitting machine (Multi-strand):
Automatic slitters quick - change setting system of up to 5 strands
Cut to Length Shear system types:
Rotary Shear
Cutting rate of 180 cuts/min.
Length tolerance of ± 0,2 mm.

Flying Shears
Cutting rate of 50 m/min.
Length tolerance of ± 0,2 mm.

Eccentric Shear with feeder rolls
Cutting rate of 140 cuts / min.
Length tolerance of ± 0,1 mm.

Swing Shears
For trapezium shape formats
Oscillation tolerance ± 30 °

Leveller feed & Eccentric Shear
Cutting rate of 45 m/min.
Length tolerance of ± 0,2 mm.

Surface Protection
Paper or foil aplication system for plate protection, from top or from below, for sensitive surfaces.
Stacker
Precision stacking systems.
Special design for sensitive surfaces.
Vacuum stacker
Bomb door type stacker
Magnetic belt stacker
Stacking accurancy at length/width of ± 0,5 mm.
Stacks packaging without production interruption
Custom tailored high - medium - low of automation requirements
Modem on-line teleservice

Production parameters of Multistrand Line of 1900 mm. x 2,5 mm. (Representative case)

Type of Material to be processed:

Cold rolled steel and galvanized steel.

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    min. max.
Tensile strength Mpa 300 480
Yield point Mpa 250 350
Material Elongation   Up to 30%  

Machine cleaning is required after processing cold rolled steel, before new production set of galvanized strip.

Coil Characteristics:

Coil weight 20 t.
Coil inside diameter 508 y 610 mm.
Coil outside diameter max. 1800 mm.
Coil outside diameter min. 800 mm.
Strip Thickness (mm) min. 0,3 max. 2,5
Strip Width (mm) min. 500 max. 1900

Processing speed:

Threading speed m/min. 15
Processing speed m/min 0-80

Slitting & Shearing Capacity

Slitting

Strands simultaneous 0-5 slits (4 strands)
Coil Width mm 500 - 1900

Shearing in continuous cycle (±5%):

Length of blank N° of cuts/min Line speed m/min
500 mm. 50 40
1000 mm. 45 45
2000 mm. 33 65
3000 mm. 30 75

Tolerance average (For formats length of 2000 mm.)

  • Length ±0,2 mm.
  • Diagonal ±0,5 mm.

Indicated tolerances and productions are in function and related with following factors:

  • Strip Tension stability and fluctuations
  • Strip quality and surface smoothness
  • External factors such electromagnetism and mechanical vibrations
  • Machine operator skill

Processed material specifications:

Slitting

Slits (max.N°) 5(4 strips).
Edge trimming min. (each side) 5 mm.
Edge trimming max. (each side) 30 mm.
Minimum width 150 mm.

Both sides edge trimming is required for correct width sizing of strips into standard tolerances.

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Blanks

Rectangular shape formats

Shape rectangular
Length of blanks min. 400 mm.
Length of blanks max. 3000 mm.

Tolerances

  • Length ±0,2 mm.
  • Diagonal ±0,5 mm.

Indicated tolerances and productions are in function and related with following factors:

  • Strip Tension stability and fluctuations
  • Strip quality and surface smoothness
  • External factors such electromagnetism and mechanical vibrations
  • Machine operator skill

Stacks

Max. weigth per lineal metre 1000 Kg.
Max. stack weight 3000 kg.
Max. stack height (without pallet) 500 mm.
Max. stack height (without pallet) 500 mm.
Max. stack height (with pallet) 650 mm.
Min. and max. parallelism of stacker ±1 mm. for stack of 350 mm. height
N° Blanks stacked at once 1 to 4  

Production capacity:

For strip thickness of 0,4 mm. , the production is of 52.000 t./year. For strip of 0,70 thickness, the production is of 96.000 t./year

ELECTRIC PARAMETERS

  10% 5%
Main Elec. current 380 V. 50 Hz.
Auxiliary Elec. current 110 V. 50 Hz.
Solenoid valves Elec. current 110 V. 50 Hz.

COMPRESSED AIR

Air Pressure 5 bars.

HYDRAULIC POWER PACK

Nominal Pressure 100 bars.
Max. Pressure 110 bars.
- Cooling system by air

CLIMATIC CONDITION

  Min. Máx.
Outdoor temperature - 6°C + 44°C
Indoor temperature + 5°C + 40°C
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