Description:

WUXI JIANFA 2500 X 25 CUT TO LENGTH LINE

Used secondhand 2500×(8-25) Cut To Length Line

1. Description
2500×25 Cut-To-Length Line
Make: Wuxi Jianfa Equipment Factory
Year: 2013
Complete line with uncoiling, flattening, shear and stacking
Status: Inline
Thickness: 8-25mm
Materials grade: σs≤245Mpa (σs≤345Mpa when T≤25mm)
σb≤450Mpa (σb≤500Mpa when T≤25mm)
Width: 800-2500 mm
Coil weight: 40ton
Coil I.D.: φ740mm, φ610mm
Coil O.D.: φ1000-φ2100mm
Product length: 2000 – 12000mm
Length accuracy: ±0.5mm (When Length is 2000mm)
Diagonal accuracy: ±1.0mm (When Length is 2000mm)
Line speed: 0-25 m/min

2. Equipment List:
2-Coil holder
1-Coil loading car
1-Uncoiler
1-Plate guiding
1-7-roll rough flattening
1-Pinch roll machine
1-Centering device
1-Rotate shear
1-Excessive conveyor
1-Guiding device
1-Pre-bending machine
1-11-roll precision flattening
1-Length measurement device
1-Shear
1-Stacker
1-Hydraulic system
1-Pneumatic system
1-Electric system

3. Details specification:

a) Coil prepare base
Function: Coil prepare base is include of two sets of V type parts, the function is store one coil and prepare for uncoil, it is waiting for coil car to transport it moving to uncoiler.
Type: Passive
Loading capacity: 40000kg
Materials: Steel plate welding

b) Coil car
Function: It is include of car body, Hydraulic cylinder, rotate roll and walking device. Rotate support roll is driven by hydraulic motor, it helps uncoiler to open coil and feeding coil head into pinch roll. When it is working, walking device will be moving to centering position of uncoiler. Coil will be lifting to shaft center of uncoiler by hydraulic cylinder. Electric cables and hydraulic pipes are be protected by chains.
Type: Electric motor walking, hydraulic cylinder lifting, with driven roll.
Loading capacity: 40000kg
AC motor power: 11KW
Walking speed: 5.4 m/min
Car wheel: 45# steel and HRC45-50
Four guide pillar diameter: φ110mm

c) Double cone uncoiler
Function: It is constitute by double cones and peeler roll. Their function is open head of coil and feeding it into next process machine for working well.
Type: Double cones
Motor: AC 22KW
Braker: MWZ400/45
Clutch air cylinder: φ50 mm
Centering hydraulic cylinder: φ125 mm

d) Plate guider
Function: Put the head of coil after uncoiler into the leveling machine, and make the coil head straightening.
Press roll: φ300 mm
Guide cylinder: Piston diameterφ140 mm
Straighten cylinder: Piston diameterφ140 mm
Brake cylinder: Piston diameterφ80 mm

e) 7-roll rough leveler
Function: It is constitute by frame, working roll, press down, cardan shaft, transmission section and electric system.
Type: 2-hi leveler
Leveling roll: 5-φ355mm
Pinch roll: 2-φ355mm
DC motor: 160KW, 1000r/min
AC motor: AC 7.5KW
Materials of leveling roll and pinch roll: 42CrMo, Quench.

f) Pinch roll machine

Function: It is set between rough leveler and finishing leveler, and provide the driving power for plate forward.
AC motor: 30KW
Pinch roll: φ200mm
Materials: 42CrMo, Quench

g) Centering device
Function: It is installed front of fine leveler, make strip centering position, and constitutes by frame, transmission roll, guide vertical roll, gear rack and press roll.
Type: Vertical guide rolls
Vertical guide rolls: 8 sets
Width range: 800-2500 mm
AC motor: 11KW

h) Rotate shear
Function: Remove the excess edges from plate before cut to length.
DC motor: 55KW
Shaft roll diameter: φ500 mm
Knife tool diameter: φ800 mm
Knife tool materials: 6CrW2Si, HRC54-58

i) Excessive conveyor
Function: It is set between rough leveler and finishing leveler, and for store coil strips and adjustment speed of front and rear section, make equipment running as continuous working.
Transition roll: φ180mm

j) Guiding device
Function: It is centering the middle of plate into fine leveler. Prevent left and right deviation of the steel plate.
Guiding roll: 8 sets
Materials: 50Cr, HRC54-58
AC motor: 11KW

k) Pre-bending roll
Function: Pre-bending the coil plate and make the middle section upside. It is better for straightening due to remove the transverse arc degree.
Roll diameter: φ600 mm
Materials: 42CrMo, HRC54-58
Effective arc reduction: 200 mm
Press cylinder: φ250×800 mm

l) 11-roll fine leveler
Function: It is include of Frame, motor, gear box, transmission box, Top & Bottom roll base and back-up roll.
Leveling roll: 11 sets of φ320 mm
Centering distance of leveling roll: 370mm
Leveling speed: 0-25m/min
DC motor: DC 280KW, 1500r/min
AC motor: AC 5.5KW
Leveling roll materials: 42CrMo Quench

m) Coding measuring machine
Function: Using high precision encoder to determine the length of steel plate.
Code type: LM02-610C-1200F/min (WEINVIEW, Japan)
Code air cylinder: Piston diameterφ100 mm
Code measuring roll: Materials 42CrMo, HRC54-58
Code measuring roll: φ127mm diameter
2hi pinch roll: Diameter φ200 mm
AC motor: 7.5KW

n) Shear
Function: Its function is shear and cut steel plate, include of left and right support frame, Up knife frame, working table, shear blade and hydraulic unit.
Type: Mechanical driven
Shear thickness: Max.30 mm
Shear width: Max.2500 mm
Knife tools materials: 9CrSi
Shear times: 10/min

o) Stacker
Function: It is include of frame, hydraulic cylinder, walking device, driven motor. Its function is sheared plate moving on the stacker and pull them orderliness as one line, Then start motor and moving to store place when the plates height reaches the certain height.
Stacking length: 2000-12000mm
Stacking width: 800-2500mm

p) Hydraulic system
Working pressure: 10-12Mpa
Flow rate: 40L/min
Working medium: ISOVG32/VG46 antiwear hydraulic oil
Oil box: 1.5 m3
AC motor: AC 11KW
Cooling: Fan cooling