Automatic Steel Coil Cold Rolling Mill Machinery , 2 - 8mm cut to length line machine
1. Technical parameters
a. Specifications
Application: carbon cold or hot rolled coil plate
Tensile strength: δb≤450Mpa
Material thickness: 2-8mm
Material width: 2000 (Maximum)
Coil I.D: φ500-φ760mm
Coil O.D: φ2000mm (Maximum)
Coil weight: 30T (Maximum)
Diameter of leveling roller: φ150
Distance of leveling roller: 160
Material of leveling roller: 42CrMo, hardness HRC52-60
b. Parameters of finished product
Tolerance of diagonal error: ≤±2.5mm/2000mm
Tolerance of length error: ≤±2mm/2000mm
c. Other parameters
Power: 380V/50Hz/3Ph
Line speed: 0-25m/min
Total power: about 180Kw
Area of the producing line(about): 25m(L)*8m(W)
Operators: one skilled worker and two general workers
Color of the equipment: grass green
2. Composed device
V saddle
Hydraulic coil car
Hydraulic top tight decoiler
Coil guide and pinch roll
Rolling table & side guide device
Leveling machine (straightener)
PLC length control device
8x2200 shearing machine
Swing pinch table
Discharge table
Electronic control system
Hydraulic control system
3. Brief introduction of the equipment
(2-8) *2000 the decoiler-straightening-cut to length-piling line, mainly used for the uncoiling straightening and cutting to length of carbon steel rolls and preparing for the next processing units.
a. V saddle
Safety storage steel roll
b. Hydraulic coil car
The car can move levelly and vertically, which is convenient for putting the steel rolls to the uncoiler
It is driven vertically by hydraulic pressure
The level movement is driven by hydraulic cylinder
The weight it can carry is 30T (Maximum)
c. Hydraulic top tight decoiler frame
Supporting steel rolls and uncoiling
The moveable structure of double way hydraulic top tight
Hydraulic pressure drives the level and landscape orientation movement
Brake system, tapered feeding plate, 400 arrester brake
d. The pressing and decoiling device
The hydraulic pressure controls the lifting of the decoiling rollers
7.5 kw cycloidal pinwheel decelerator drives steel rolls running
Through hydraulic shovel, hydraulic balance device and hydraulic press against steel ,etc to feeding steel plates
Hydraulic pinch and pre-levelling system which is driven by the JCT-45kw exchange speed-control motor, JZQ500 decelerator, consists of the gear distribution box and gear clutch
The machinery structure is made by the welding and processing of steel plate and steel
e. Rolling table &side guide device
2-meter table is made up of roller rail, rack and bearing stand
It uses the device of the vertical rolls of both sides to guide the steel belt goes into the straightening device correctly
The vertical rolls of both sides are adjusted by the motor driving the shafts of both sides
f. Leveler
It makes uneven steels even and guide them to the right following processing and shears the material with fixed-length and packs with fixed-number
It is composed of 11working rollers, driving device, 2 pinch code rollers and stand. Both sides of each working roller is transmitted by spherical roller bearings and both are the main po
