Individual assemblies for line extensions,
modification or revamping

Function:

The function of the decoiler is the continiously decoiling of the strip under constant tension in generator mode as well as motor driven support while threading the strip in infeed operation.

• decoiler for strip with the weight from 5 and 40 t coil weight and strip widths above 2400 mm
• design for individual strip tensions between 5 and 20 N/mm²
• for several coil inner diameter 406 mm , 508 mm, 610 mm to 750 mm or further
• coil diameter by replaceable top segments, rubber sleeves or expanding decoiler shafts
• above 20 t with outboard bearing and rolls
• also available as double decoiler in turret head design or as double cone decoiler
• for various line speeds from 60 m/min up to 1200 m/min
• Decoiler drive in AC and DC technology

Function

The recoiler is provided to rewind the trimmed strips or slit strands under constant tension with straight edges on a common expandable rewind mandrel

• recoiler for coil weights from 5 to 40 t.
• strip widths from < 10 mm to 2400 mm and above
• for several coil inner diameter from 406 mm , 508 mm, 610 mm to 750 mm or further
• clamping of the single strips via clamping chase, on sleeve or winding via belt wrapper
• coil inner diameter via replaceable top segments, rubber sleeves, recoiler mandrels and interchangeable head support with automatical hydraulical shaft clamping, connectable flange shafts
• above 20 t with outboard bearing and rolls
• for various strip speeds from 60 m/min up to 1200 m/min
• recoiler drive in AC and DC technology

Eccentric shears

The eccentric shear is provided for the continuous cutting of strip material in cross direction to sheets of identical cutting length, reaching minimum cutting tolerances.

• for strip materials such as steel, stainless steel, aluminium, copper and corresponding alloys with different strengths and yield strengths of more than 1000 N/mm²
• for strip widths of more than 2200 mm
• various designs for strip gauges of 0,1 to 8 mm
• continuous cutting-to-length of strip material for a speed of 30 m/min up to 120 m/min
• cutting lengths of 300 mm to 14 m and more
• for cuts of 90 ° or in swing shear design for trapezoidal, triangular, curvilinear or profile sections
• individual PLC control with connection to various bus systems as interface to other line components
• vector control of drives to guarantee minimum cutting tolerances
• driven by A.C. servomotors with an especially low motor moment of inertia for high-dynamical cutting processes at high speed
• fully-automatic setting to the material parameters incl. cutting gap adjustment for an almost burr-free cut
• hydraulic blade clamping for quick blade exchange
  

Drum shears

The drum shear is provided for the continuous cutting of strip material at high speed to sheets of identical cutting length, reaching minimum cutting tolerances and high production output.

• for strip materials such as steel, stainless steel, aluminium, copper and corresponding alloys with different strengths and yield strengths of more than 1000 N/mm²
• for strip widths of more than 2200 mm
• various designs for strip thicknesses of 0,1 to 4 mm
• continuous cutting-to-length of strip material for a speed of 30 m/min up to 300 m/min
• cutting lengths of 300 mm to 14 m and more
• for cuts of 90 ° or in swing shear design for trapezoidal, triangular, curvilinear or profile sections
• individual PLC control with connection to various bus systems as interface to other line components
• vector control of drives to guarantee minimum cutting tolerances
• driven by AC servomotor with an especially low motor moment of inertia for high-dynamical cutting processes at high speed
• fully-automatic setting to the material parameters incl. cutting gap adjustment for an almost burr-free cut

On the entry side of coil finishing lines the cropping shear serves to chop seither unconform leading coil edges or ends whilst on the exit side it is generally used to split coils into preselected lengths.

• for coil materials such as steel, stainless steel, aluminium, copper as well as their alloys
• with different strengths and yield limits of above 1000 N/mm²
• for strip widths upto above 2200 mm
• in various designs for strip thicknesses of 0,1 – 8,0 mm
• cutting-to-length of strips in start-stop-mode
• preselectable cutting lengths
• mechanical and hydraulical blade clamping systems
• mechanical and semi-automatic cutting gap adjustment

Thanks to the GEORG High Performance Precision Leveller incoming strips and blanks will be levelled almost stressfree, thus matching the highest flatness criteria.

• strip materials in steel, stainless steel, aluminium, copper and alloys with very high tensile strengths
• strip widths above 2500 mm
• typical thickness range between 0,3–10 mm
• levelling machine in roll cassette design to perfectly match levelling roll diameters with material properties and thicknesses
• levelling machines in “four-high“ and “six-high“ design
• manual, semi-automatic and automatoc change-over devices for quick adaption of the right cassette
• oscillating roll cleaning system for the levelling roller sets
• precisely adjustment of the levelling rollers to perfectly match the material properties
• individual adjustment of back-up rollers to correct waviness on center and edges
• careful levelling of soft and brilliant material surfaces

Function

The slitting shear is provided for cutting and/or edge-trimming of strip material according to the required widths means of circular cutting tools.
The used tool set on the slitting shear arbours and the new tooling program on the tooling capstan are exchanged by a pusher plate system within a short time period.

• strip materials such as steel, stainless steel, aluminium, copper and corresponding alloys of strengths up to 1000 N/mm²
• strip width of more than 2400 mm
• strip gauges of 0,1 – 6,0 mm
• overlap adjustment driven by motor
• tool clamping with hydraulic nuts or with an automatic hydraulic clamping system
• full automatic tool change within 7 minutes
• pre setting of 3 different tool sets
• combination possibility by use a tooling robot

Design (tooling capstan)

• base frame in steel construction with turnable assembly frame
• four arbour pairs for pre setting of tool sets
• rotary drive with hydraulic motor and hydraulic locking in each position
• adjustment on the base frame for docking the shear arbour sets of the assembly frame to the shafts of the slitting shear
• hydraulically operated pusher plate for changing the set tool sets

Function

The edge trimming shear cuts damaged edges of the coils under the highest requirements regarding cutting tolerances and low burr to cutoff edge scrap while the strip runs through the line. The cutoff edge scrap is guided by scrap chutes to a scrap cutter or scrap baller.

• strip material as steel, stainless steel, aluminium, cooper as well as its alloys with the strength above 1000 N/mm²
• strip width until 2400 mm and more
• strip width from 0,1 – 8,0 mm
• strip speed up to 1200 m/min.
• electric motor driven cutting gap and cutting overlap adjustment
• regrinding of the blades at the circumference or at the end section

Scrap baller

The trimmed-off edge scrap is tightly rewound by the scrap baller.

• coil material like steel, stainless steel, aluminium, copper and their alloys with tensile strengths above 1000 N/mm²
• typical strip thickness range 0,1 – 4 mm
• typical trimming widths 3 – 50 mm
• location of scrap baller below floor level or on floor level with automatic start of seam windingscrap baller

Design

• rigid base frame in welded steel construction as basis for drive unit, winding box and conical winding shaft running in roller bearings
• adjustable drive for winding of scrap coils with manual speed control
• winding box with rotating side discs and hydraulically operated pressure roller on top of the winding shaft which dives into the winding box to ensure a tightly wound scrap coil
• conical winding shaft mounted together with the drive unit on a hydraulically
  movable car on the same base frame; in order to catch the leading seam edge the winding shaft is designed with a slot
• push-out cylinder to eject the balled seam scrap coil into a scrap box
• survey of the winding process via camera and monitor

Scrap chopper

The scrap chopper is provided to cut the edge strip arising during the edge-trimming process to short pieces

• strip materials such as steel, stainless steel, aluminium, copper and corresponding alloys with strengths of more than 1000 N/mm²
• strip widths of more than 2400 mm
• strip gauges of 0,1 – 8,0 mm
• scrap width of 5 – 80 mm
• low-noise cutting of edge strips
• cutting gap adjustment driven by motor
• each blade with two cutting edges
• regrinding of blades with a standard surface grinder

Function

The finished plates of various thickness, widths and lengths are stacked on pallets with straight edges and free from scratches. For this, the following stacking systems are available, depending on the material properties:

• magnetic stacking unit for ferritic and magnetic materials
• vacuum stacking unit for non-magnetic materials ( e.g. aluminium or austenitic steel )
• air floatation stacking unit for materials with insensitive surfaces and easier applications
• one or more stacking positions for "on-the-fly“ change
• stacking of long sheet bars over several stacking positions
• single- or multiblanking operation
• strip widths of more than 2400 mm
• strip gauges of 0,1 – 6,0 mm
• line speed up to 120 m/min.
• operating modes: depositing of sheets in start - stop operation, depositing of sheet bars either in decelerated or in continuous operation,
• swivelling stops, movable by CNC with automatic adjustment to the various types of sheet bars
• Stacking by stacking masks is possible
• highly dynamic drives via servomotor for quick programme change
• controlled servo drives for magnetic and vacuum belts