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HR Slitting Line

HR Slitting Line
HR Slitting Line
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Product Code : 01
Price And Quantity
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Product Description
Hot Rolled Steel Coil Slitting Machine

HR SLITTING LINE SLHR 1000-2000

Line Composition

  • Coil car

  • Dual Cone Uncoiler

  • Coil Opening Device

  • Pinch Roll leveler

  • Guiding device

  • Shear

  • Guiding device

  • Slitting machine

  • Waste Selvage device (scrap winding device)

  • Roller Tables for strip support

  • Recoiler with Pusher Plate

  • Over Arm Separator

  • Out Board Support

  • Coil Car

  • Electrical Panels & hydraulics.

Working Process

HR coil is loaded on the Coil Car by overhead crane. The coil car travels on rail lines by AC motor & brings the coil to the uncoiler. The lifting cylinder of the coil car centralizes the coil to the Uncoiler centre. The two opposed bodies of the uncoiler are mover towards each other so that the cones of both the bodies enter the ID of the coil to hold the coil firmly. The coil car is lowered and taken back.

The Snubber roll is lowered and its drive rotates the coil and brings the leading end in the feeding position. The coil straps are cut. With the operation of peeler table & Snubber drive, the leading end is fed in the Pinch Roll leveler. The rolls are pressed and the drives of pinch roll take the leading end forward though shear. The end is cut if required. The leading end is further moved through vertical guides in to the slitter. As the slitter motor accepts the leading end, the pinch roll & snubber rolls are taken up and Pinch roll drive is disengaged.

Slitter takes the strip further but now in slitted condition. All the slits are taken forward over the roller table in to the Recoiler drum where the ends are inserted in the gripping slot. The ends are properly positioned in the slot as per the setting of Over Arm Separator and the drum is expanded.

The slitter and recoiler drives are inched forward together and a couple of turns are loosely wound over the drum. The line is put in RUN mode. The Slitter drive is disconnected. Out Board Support is brought in position to support the out board end of the Recoiler shaft. The Recoiler tightens the turns against the resistance of the slitter and the winding goes on. As the coil builds up on the recoiler drum, the line speed goes up and reaches the maximum when the coil is finished. The over arm separator keeps moving up with the built up by a special hydraulic valve maintaining a set pressure on the coil.

The line goes on until the coil is completely wound over the recoiler drum. The trailing ends are clamped over the slit coils and overarm separator is lifted. The exit coil car is brought below the coil and lifted to support the coil weight. The Out Board support is removed. The drum is collapsed and the pusher plate is operated along with the coil car to take the coil smoothly out of the drum.

The slitted coils are removed by the overhead crane and the line is ready for the next coil.

Technical Specifications :

Model Number

Width (mm)

Thinckness (mm)

Speed

SLHR-1000

1000

2.0-6.0

80-120 MPM

SLHR-1600

1600

2.0-6.0

80-120 MPM

SLHR-2000

2000

2.0-11.0

50-120 MPM

Technical specification

Model Number

Width (mm)

Thickness (mm)

Speed

SLCR-500

500

0.5-2.0

80-120 MPM

SLCR-1250

1250

0.5-3.0

80-120 MPM




 


EFFIMAC EQUIPMENT PVT. LTD.
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