Automatic High Precision Slitting Machine

1. Basic technical parameters
1.1 coils
 Coil material: medium and high carbon, brined hot rolled steel coils, etc.  Steel quality: AISI1050,1075, 1095, etc.  Strip thickness: 0.3~3.0 mm
 Strip width: 900~1850mm
 Inner diameter of coils: Φ740-780mm
 Outer diameter of coils: Φ1400-1925mm.  Max. coil weight: 10000Kg
1.2 Machine
 Slitting capacity: 0.3-2.0 mm, maximum 12 strips, 40-60 m/min; 2.0-3.0 mm, maximum 9 strips, maximum 30-50 m/min Minimum slit strip width: 32 mm
 Slitting speed: maximum 60m/min
 Footprint: approximately 30m length, 9m width
 Entry direction: Right to Left
 Power supply: 480V, 60Hz, 3Ph. 2. Working process
Coil loading—— Double cone mandrel opening —— Feeding and shoveling from the coil end——Double cylinder clamping feeding/five cylinder leveling — — End cutting----Transmission table ——Strip alignment----- ----------------- Disk Slitting ——Scrap Winding ——Hole Accumulator ——Pre Separator / Tensioner ——Separation, Rewinding——Coil unloading——Hydraulic control——Electric control
3. Equipment description
3.1 Coil loading cart
 Structure: Four wheels, welded cart body
 Drive motor: 2.2kw cycloidal pin wheel motor

 Up-down movement drive: hydraulic cylinder Φ200×700mm
 Up-down movement distance: 700mm
 Maximum loading weight: 10000Kg. 3.2 Single head Unwinder:
 Working style: Axial movement expansion driven by hydraulic cylinder on inclined slide
 Unwinding mandrel: Ф508×1850mm, for other rollers with larger inner diameter, place 23 rubber sleeves on the mandrel.  Expansion range: Ф460--Ф510mm.  Hydraulic cylinder for expansion: Φ140×100mm
 Braking style: pneumatic pressure adjustable brake
 Max. coil diameter: 1850mm
 Maximum coil weight: 10000Kg
3.3 Coil end feeding and shoveling equipment
 Structure: welded assembly with steel plates, up-down movement with hydraulic cylinder.  Two sets of Φ100×500mm hydraulic cylinders
 Drive wheel: Φ300 × 500mm, NBR rubber wheel
 Drive motor for traction: 7.5kw cycloidal pin wheel motor
 Coil head flattening device: dual-column guide, with bottom shoveling plate support to ensure the coil head enters the clamping cylinders, hydraulic press leveling cylinder on the coil head.  Leveling cylinder: Φ100 x 800mm, hydraulic cylinder: Φ120×500mm.  Shovel structure: welded assembly with steel plates, two tongue-shaped plates (bigonetomoveup-and-down, small one for expanding and contracting)
 Hydraulic cylinder for the up-down movement of the large tongue: Φ80×400mm
 Hydraulic cylinder for small tongue expansion Φ63×400mm
3.4 Double cylinder clamping feeder, Five cylinder leveler
 Welded assembly with steel plates, double cylinder clamping feeding the coil strip.  Feeding cylinder and leveling cylinder: Φ160×1950mm
 Feeding cylinder and leveling cylinder material: 40Cr, hard chrome plating, NBR rubber coated drive feeding cylinder
 Up-down movement for feeding cylinders: two pieces, Φ100×100mm Up-down movement for leveling cylinders: infinite gears, 2.2KW cycloidal reducer
 Feeding and leveling power: 37KW DC motor connected to reduction gearbox with universal joints

3.5 Hydraulic cutting
 Install single hydraulic cutting equipment here for cutting the excess end of hot rolled coils or cutting from the middle of the coil strip for a maximum strip width of 1850mm and thickness of 3mm. 3.5 Transmission Roller Table
 Roller table 2m long and 165m wide, Φ140x1850 passive rollers connected with gears and chains. Clamping feeding and leveling cylinders send the coil head over the roller table. 3.6 Equipment alignment
 Structure: vertical cylinders to restrict the strip's forward position, horizontal cylinders stop the pressing strip. Vertical cylinders: three pairs, Φ90×125mm, high frequency quenching
 Horizontal pressing cylinder: Φ100×1950mm
 Hydraulic cylinder for up-down movement of the pressing cylinder: Φ80×100mm
 Adjustment range for adjusting one side of the vertical cylinders with double lead screws: 600-1850mm

3.7 Disk Slitting Machine
 Structure: disk cutters tightly encircle the dual shafts and the shafts are mounted on a support stand.  Work spindle for mounting disk cutters: Φ220×1950mm
 Material of the spindle: 40Cr, forging and tempering, medium frequency quenching, hard chrome plating, fine polishing.  Disk cutter: D380×d220×T20/15mm
 Material of the disk cutter: H13K, hardness HRC59~61 after water quenching.  Drive style: 75KW DC motor, speed reducer, gearbox, and compatible with universal joints.  Control in DC motor: American Parker 590 controller
 Pressure on the cutting spindle: 2.2KW cycloidal pin wheel motor with infinite gearbox  To change the disk cutter: hydraulic driven (Φ63×450mm), one foot of the disk cutter moves outward until the disk cutters are mounted
 Slitting speed: ≤60m/min