Lithium Battery Calendering Machine Manufacturer Roll To Roll Winding And Rewind
I.Introduction
The calender is the main equipment in the electrode pressing production line. It is composed of cast steel gantry, rolls, variable frequency motor reducer, gap adjustment system, electrical control system, feeding guard plate and roll surface cleaning mechanism.
The main function is press electrode to reach the appropriate density by the roller, and meet the thickness requirements according to the electrode.
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II. Equipment configuration and parameters:
Roll measure: ∮ 210x330mm (diameter × width)
Operation mode: continuous operation
Machine speed: 5m / min
Material Type: Electrode
Appearance: Grey
1. Main body:
The main functional: Pressing electrode reaches a certain thickness
Roller specification: ∮ 210x330mm (diameter * width)
Roller Material: 9Cr3Mo series alloy steel roller
Roller Surface hardness: above hrc66
Roller Hardening depth: ≥ 8mm
Roller chrome plating: 0.08-0.12mm
Roller surface roughness: Ra ≤ 0.4
Roller gap adjustment : manual adjustment
Roller gap adjustment range: 0 ~ 2.0mm
Maximum working pressure: 80T
Equipment Color: Grey
Roller heating mode:(Optional)
The closed-loop control heating system : composed of temperature controller, solid-state relay and K-type thermocouple.
Heating power: 1.6kw * 2 ( 1pc / upper and lower rollers)
2. Unwinding
Unwinding shaft : inflation shaft with control valve, equipped with inflation gun
Specification : ∮3inches * 350mm
Electrode tension control : magnetic brake
Guide control : linear bearing guide
3. Trimming
Function : used to cut off the uncoated foil on both sides of the electrode, reduce the fold of the electrode caused by the inconsistent ductility during rolling, and reduce the scrap rate caused by the broken electrode belt
Principle : the upper cutting blade is manually fed and supported, and the left and right cutting blades are controlled separately.
Drive : frequency conversion motor drives the lower cutter shaft to be consistent with the rolling speed
4. Rewinding
Function : winding the rolled electrode material on the mandrel
Winding shaft : with control valve, inflation shaft with inflation gun
Specification : ∮3 inches * 350mm
Electrode tension control : magnetic brake
Guide control : linear bearing guide
Drive : the winding shaft through the motor reducer and magnetic clutch
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