High precision continuous calendar machine-Gelon Lib Group Co., Ltd

High precision continuous calendar machine

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Equipment Overview1. Mainly used for continuous rolling of positive and negative electrodes of lithium-ion batteries, so that the electrodes reach the appropriate density and meet the electrode thickness requirements according to the coating thickness2. The equipment is divided into three parts: unwinding, main machine, and rewinding, realizing automatic unwinding and rewinding functionsEquipment Function1. Under the rolling of the roller, the electrode reaches the appropriate density and meets the electrode thickness requirements according to the coating thickness. This equipment uses servo to adjust the roller gap, and the line speed is adjusted by the frequency converter to achieve stepless speed regulation

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Product Detail

Equipment Overview

1. Mainly used for continuous rolling of positive and negative electrodes of lithium-ion batteries, so that the electrodes reach the appropriate density and meet the electrode thickness requirements according to the coating thickness

2. The equipment is divided into three parts: unwinding, main machine, and rewinding, realizing automatic unwinding and rewinding functions

Equipment Function

1. Under the rolling of the roller, the electrode reaches the appropriate density and meets the electrode thickness requirements according to the coating thickness. This equipment uses servo to adjust the roller gap, and the line speed is adjusted by the frequency converter to achieve stepless speed regulation

name	parameter	Remark
Roller size	Φ210mm×330mm	Roller surface diameter × roller surface width
Effective use width	300mm
Unwinding reel	3 inches*350mm
Reel	3 inches*350mm
Correction control	Ultrasonic correction device
Correction accuracy	±0.5mm
Tension adjustment range	0~25kg
Pole tension control	Closed loop control system torque 25N.M
Machine speed	2～8r/min
Machine efficiency	0.8～5m/min
Roller material	9Cr3Mo
Roller surface hardness	HRC66-68	Roller heat treatment
Roller quenching and tempering	HB280-300
Quenching depth	≥18MM
Thickness uniformity of pole piece after rolling	≤±0.00 2 mm	Under the premise that the customer guarantees the uniformity of coating , the pressure roller layout has two rollers arranged horizontally up and down
Roller speed	2～8rpm stepless speed adjustable
Roll gap adjustment	Under no-pressure conditions, the servo motor drives the ball screw through the reducer to adjust the relative position of the two wedges between the upper and lower rollers to achieve precise adjustment of the roller gap. The fine-tuning range is 0 to 100 μm and can be set through the touch screen.
Roll gap adjustment range	0～2.0mm
Pressure method	Electric hydraulic pump
Roller chrome plating thickness	≥0.18mm
Roller material	Hardened steel HRC 60-62	Roller material
Roller hardness	60-62 HRC	Do not roll materials with hardness > 50HRC
Depth of quenching layer	18～25mm
Maximum rolling force	Max. 25T
Roll gap adjustment range	0～2mm
Roller gap adjustment accuracy	0.003mm
Ambient temperature	25±3℃
Relative humidity	10%～30%RCH, the air on site should be dry and smooth, free of acid and alkali corrosion
Gas source	0.6MPa～0.8MPa	Air pressure fluctuation ±1% (clean air after dehydration, oil-free, filtration and pressure stabilization)
Compressed air consumption	0.3 m³ /h
power supply	AC380V/50Hz	Customized according to customer needs
Equipment power	3.6KW
Device size	≈L 3983 ＊W 1570 ＊H 1255 mm
Total weight of equipment	≈ 2.2 T	Hydraulic roller press + rewinding and unwinding
Equipment installation ground bearing	>2.5T/m2