1. Equipment overview:

Cylindrical lithium battery semi-automatic winding machine is a special winding machine for cylindrical lithium battery. The equipment integrates the advantages of domestic and foreign winding equipment, and is prominent in practicability, stability and product consistency, and is especially suitable for precision winding of small and medium-sized cells.


2. Main technical parameters:

A. Rolling needle diameter: φ4 (standard), φ3.5;
B. Winding diameter: φ14-26 mm;
C. Diaphragm roll installation diameter: φ76 mm (3 inches), maximum diameter of diaphragm: φ250 mm;
D. Diaphragm width: 35-65 mm;
E. Width of positive and negative electrodes: 33-60 mm;
F. Termination tape width range: 10-40mm;
G. Termination tape winding range: 0.2-1.5 circles;
I. The diaphragm working tension is constant and adjustable;
J. Working tension of positive and negative electrodes: vacuum adsorption is adopted;
K. Winding accuracy (when the length of the pole piece is less than 500mm):
Diaphragm alignment error is less than ±0.5;
The pole piece alignment error is less than ±0.5;
It can realize the negative electrode wrapping the positive electrode, the diaphragm wrapping the negative electrode, and the alignment degree of the finished product section is ±0.5mm.
Note:
The width error of the pole piece is less than ±0.1mm;
The "S" bending error of the pole piece is less than ±0.2mm/500mm;
Diaphragm roll tower error is less than ±0.2mm;
L. Production efficiency:
About 6 PPM (when the pole piece length is less than 800mm);
M. The pass rate can reach more than 98%;
N. The marriage rate can reach more than 95%;