Hot Rolling Press Machine with Winder&Rewinder System for Battery Electrode Making

1. TMAX-300-H400 heating roller press production line is used for the rolling process of battery materials to press the electrodes to the thickness and precision required by the process;

2. The heating roller of the heating roller press is solid roller drilling, external mold temperature machine is heated by heat-transfer oil circulation, supporting heating control system and unwinding device, winding device, drive and tension control system, roll changing device, etc.

Specifications

1.Machine host

structural style	Vertical up and down horizontal arrangement of heating roller
Frame	"口" type integral casting frame
Bearing block	Cast 45 × steel with cooling system
base	Integral welded base
main bearing	Special four row cylindrical roller bearing for rolling mill, filled with high temperature resistant grease
Roller size	φ300*400mm
Effective use width	More than 350mm
Roll material	9Cr3Mo (electroslag remelting)
Hardness of roll surface	HSD90-95
Quenching layer depth of roller surface	≥ 8mm, roll tempering: HB280-300
Special treatment of roll surface	Roll surface chrome plating, coating thickness 0.08-0.12mm
Roll surface roughness	Ra＜0.2μm
Cylindricity of roll	≤0.002mm
Roll radial runout	≤ 0.002mm (tested on grinder)
Radial runout tolerance of roll mounting machine	≤±0.002mm
Roller heating mode	Solid roll drilling matched with external mold temperature machine is heated by heat transfer oil circulation
heating temperature	Max. 120 ± 2 ℃, continuously adjustable temperature, controlled by digital temperature controller
heating power	36kw, room temperature 20 ℃ to 120 ℃, temperature rise stability time ≤ 4H
Roll gap adjustment range	0-5mm, touch screen display
Roll gap adjustment form	Touch screen setting and servo motor drive wedge iron adjustment through reducer and ball screw
Roll gap adjustment accuracy	0.001mm
drive	The reducer drives the roll through gear drive
Main motor reducer	Helical gear reducer with hard tooth surface
Main motor power	4kw (380V 50Hz servo motor)
Rolling line speed	0.5-9m / min (stepless speed regulation)
Work pressure	Double way constant pressure hydraulic station applies pressure through plunger cylinder
Maximum pressure of hydraulic system	21MPa
Cylinder specification	φ160mm*2
Maximum pressure between two rolls	80t

2.Unwinding system

Unwinding form	Fixed side plate structure, cantilever shaft type
Unwinding inflatable shaft	φ 75 * 400mm, aluminum alloy material, equipped with gas gun
Unwinding coil specification	Max. φ300mm
Unwinding drive	Magnetic powder brake, passive unwinding
Tension control mode	Constant tension mode and taper tension mode can be set by magnetic powder brake to control unwinding tension
Roll specification	φ70mm
Roll material	Aluminum alloy, surface oxidation treatment, dynamic balance G2.5

 

3.Winding system

Winding form	Fixed side plate structure, cantilever shaft type
Windup inflatable shaft	φ 75 * 400mm, aluminum alloy material, equipped with gas gun
Reel specifications	Max. φ300mm
Winding drive	Servo motor + magnetic powder clutch
Tension control mode	The winding tension is controlled by magnetic powder clutch, and constant tension mode and taper tension mode can be set
Rectify deviation control	Infrared photoelectric correction
Rectifying stroke	+ 50mm
Rectifying accuracy	Less than or equal to 0.1mm
Roll specification	φ70mm
Roll material	Aluminum alloy, surface oxidation treatment, dynamic balance G2.5

5. Roll changing device

It is composed of roll change bracket, roll change guide rail, etc., which is used for maintenance or roll change

6. Drive control system

Control system: the electrical part of the whole set of equipment consists of PLC program control, touch screen operation, main motor driver, servo motor driver and other parts, which can realize the functions of digital setting of equipment running speed, adjustment of roll gap size, multi process storage, humanized operation, historical record and alarm record

Safety: equipped with multi-point emergency stop, safety protection shield and warning signs

7. Equipment installation conditions