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Compact strip decoiling line with cutting unit

Parameter Value
Decoiler capacity 15,000  kg
Minimum outer diameter of coil 508 mm
Maximum outer diameter of coil 1,800 mm
Minimum width 100 mm
Maximum width 1,250 mm
Maximum thickness 5 mm
Material type Steel
Re 300 MPa
Re 450 MPa
Re 700 MPa
Re 950 MPa

virtual 3D

Press the mouse and move to explore the line from all angles. Use the scroll wheel to zoom in.

1 Decoiler

-Supporting structure made of welded steel, widely dimensioned
-Spindle shaft supported by double roller bearings
-The expansion and closing of the spindle is carried out by wedges with hydraulic movement.

1.1 Motorized lateral translation
-by wheels on floor rails for strip alignment and coil loading

1.2 Snub arm
Integrated in the upper part of the decoiler, moved by means of a hydraulic cylinder, it is sized to contain the materials during insertion. The wheels coated with polyurethane allow not to damage the surface of the material, the movement is activated by the control panel

1.3 Stationary loading cradle
Fixed supporting structure in electro-welded steel,
hydraulic lifting duly sized to allow
the centring of the coils of different diameters on the spindle.
V-shape saddle for coil centring covered in polyurethane to not
damage the strip

With opening head by means of motorized mechanical jacks for:
-strip beginning introduction and cleaning
-Motorized overlapping pinch rollers placed at the entrance with
hydraulic opening and closing of the upper drive rollers
-Motorized lower and upper straightening rollers
contained in a weighing monobloc
-Block adjustment of the upper straightening rollers through
motorized mechanical jacks with display of the quota on the touch panel
-All rollers can be disassembled individually for an accurate maintenance or for being replaced
-Box for distributing movement to the rollers by means of helical gears
in oil bath
-Automatic cardan lubrication with oil recovery tank
-Grease-lubricated roller bearings (long life) for the rollers
straightening and back-up rolls

2.1 Independent motorized strip guide (infeed and outfeed)
Positioned at the entrance, the rollers allow to keep the belt guided during the feeding of the material.

2.2 Hydraulic threading table for strip beginning
to help strip insertion coming from the coil. The upper deflector roller facilitates the containment of the material bending while the extension of the table facilitates the removal of the sheet of the different diameters of the coil.
Table is polyurethane coated to not damage the strip

2.3 Encoder wheel
Positioned at the exit, it checks the quota set in the recipe, stopping the system if it is not positioned.
The control has two operating modes that can be set to your choice and stored in the recipe, A) motor resolver B) metric wheel

2.4 electro-welded fixed Base-frame with motorized height

2.5 Loop control
By mass contact under decoiler spindle

2.6 Free space for spray lubrification device
Space for assembly spray lubrification device located before hydraulic shear.

  • Hydraulic shear for strip cutting positioned immediately after the straightener
  • Duly sized to cut the materials to be processed.
  • Cutting blades with 4 cutting edges.

02001-Automation System TAS 1

4.1 Standard interface with the press
The interface, both functional and safety, with the press is performed via PN-ProfiSafe.
The PN-PN coupler, supplied by us, will be installed in our electrical panel.
The only contact signals required are the following:
– Start feeder cam
– Pilot cam (if any)
– Auxiliary cam (if any)

4.2 Software characteristics:
• Operator program management “receipt” type, directly on the mobile panel for setting of all functioning parameters (acceleration, deceleration, speed, stroke, repetition, cycle, etc.)
• It is possible to manage 500 receipt with 20 different steps for each receipt and 100 repetitions each
• Complete diagnostic of the anomalies by means of alarms displayed and silenced
• Setup of single step length in decimal metrical (0 up to 9.999,99 mm)
• Display of value reached
• Functioning in automatic cycle, single or continuous
• Manual movements jog+/jog- and single test stroke to reduced pre-set speed, with quota display
• Pieces decrease counter
• Start/stop auto-cycle form the panel
• Sheet displacement control with resolver
As option, effective sheet displacement measurement by means of cogwheel encoder
• Panel and relevant programming instruction in English language

4.3 Electric panel / cabinet
• Electric cabinet for components housing, cabinet type with base and blind doors, confirming norm CEI EN 60204-1. standard cable length 10 mt. longer cables have overprice.
• Main line switch
• Control circuit pelv – 24 VDC
• Artificial ventilation suitable to grant the correct functioning of the electronic devices
• Junction box for the connection of the field components
• Signed and numbered components according to electric diagram
• Protection grade IP54
• Diagram holder pocket

4.4 Man/machine interface with mobile control panel touch screen Siemens
• Colour graphic and movements with symbols
• Protection grade IP 54
• Net connection to profinet
• Programming software tiap
• Multilanguage
• Working receipt
• Die code stored in a memory card
• Cable length 10 mt

4.5 Teleservice on line with Ewon

consisting of black metal protection nets to allow better internal visibility, appropriate height depending on the area affected by the dangers, complete with access doors controlled with electric locks equipped with buttons with request for opening.
Light curtains are positioned in some points of the line
(The safety fences consider closing even transfer area)

VIDEO

GALLERY

Office: Corso Buenos Aires, 92 – 20124 Milano – Italy Tel. +39 02 29404390 – Fax +39 02 2046677
Plant: Via delle Industrie, 10 – 26010 Izano (CR) – Italy – info@millutensil.com – millutensil.com