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Winding Machine for Lithium Battery

Semi-auto Winding Machine for Cylindrical Battery And Pouch Cell

Semi-auto Winding Machine for Cylindrical Battery And Pouch Cell

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Product description

This semi-auto winding machine is suitable for cylindrical or square lithium ion battery winding, by changing the winding needle component, it can be adapted to the winding of cylindrical or square batteries, including artificial feeding electrode sheet, automatic needle extraction and automatic winding, then artificial sticker adhesive and discharge.


Features

Suitable for oily electrode, watery electrode and various separators

The width of feeding trough(guide plate) can be adjusted, single side adjustable

Winding shaft adopts stepper motor drive, keep the winding speed constant.

The tension of the electrode and the tension of the separator in the winding process are relatively constant. The consistency of the tension of the winding core and the positional consistency of the electrode and the separator are good; the capacity of the battery core and the uniformity of the internal resistance are improved.

The diaphragm is continuous, reduce man-made contact during winding process, reduce the internal short circuit and self-discharge of the cell.

Equipment is stable and efficient;

Humanized design, simple operation.


Materials requirements


Materials

Length

(mm)

Width(mm)

Thickness(μm)

Max outer diameter

(mm)

Inner diameter

mm

Size range

Size range

Tolerance

Size range

Tolerance

Positive electrode

300-1600

40-60

0.2

100-200

5

/


Negative electrode

300-1600

40-60

0.2

100-200

5

/


Separator

In roll

40-65

0.2

16-25

/

Φ150

φ76.2

Tape

In roll

10-60

0.2

20-50

/

Φ150

φ76.2



Raw materials requirements

Electrode snake bending error 0.2mm/m

Separator winding error0.3mm

Separator snake bending error0.5mm/m

The length of the tape beyond the edge of the electrode is less than 1.5mm

Tabs exposed length less than 25mm


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