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Quality makes battery production more efficient and safer

New energy battery intermediate process equipment

Fastest winding speed design - 3000mm / S
Tension fluctuation < ± 5%
Cell alignment < ± 0.5mm
Full closed loop control of winding tension
CCD is connected with the rectifying mechanism to realize closed loop control
It adopts SIMOTION motion control of Siemens, high speed, energy saving and labor saving
Integrated programming to improve development and maintenance efficiency

Overview of winder

Winder function

Team development history (the only designated development team for the first three generations of ATL power battery winder)

R & D objectives

R & D direction: high starting point, high standard

R & D capability: a number of patented technologies

Overall layout and function module introduction

Main parameters and highlights of the equipment
Winding speed: up to 3m / S
The winding head adopts direct drive structure and DD motor (patented by Sure)
Unwinding adopts high-power servo motor with rated speed of 5000r / min, the optimal inertia ratio (1:3) and barrel diameter: 6.

Full closed loop control of winding tension
The tension adopts voice coil motor and tension controller with high response performance
Realize closed-loop control, reduce tension fluctuation and improve tension accuracy

Tension fluctuation: ± 3%

Double closed-loop control is adopted for pole piece feeding and rectifying deviation

High performance CCD system is adopted to ensure the accuracy and reliability of alignment measurement

Alignment:<+/-0.3mm

Siemens SIMOTION high-end motion control system with high performance and modularization
High performance drive and control components are adopted, which can meet the deep optimization control of complex transmission with high reliability and ensure the long-term stable operation of the whole system;
It can meet the needs of high-speed production.

Using Siemens S120 servo --- high efficiency and energy saving
High performance energy feedback device and common DC bus design are adopted to realize the efficient application of electric energy through the mutual conversion of mechanical and electrical energy, which not only reduces the high-order harmonics, but also greatly reduces the energy consumption. Long term application can reduce the production cost, which meets the requirements of green environmental protection in the future production process.

Integrated programming -- saving development and maintenance time
Unified design of motion control and logic control, high-level language for object-oriented programming, combined with professional process object import, can quickly adapt to more process changes, and the overall system is stable and reliable, easy to maintain and diagnose. Therefore, the whole machine development, multi variety production and R & D trial production can meet the requirements more quickly.

Solve the following process pain points
1. Measures to prevent the polar ears from folding: stroke the plate at the feeding clamping position to prevent the polar ears from folding.
2. Predict in advance the folding of the last polar lug to reduce the scrap of polar piece.
3. Pole piece cut off powder problem: unique shear cutter design, powder problem greatly improved, three-dimensional dust removal structure, ensure dust removal effect.
4. It adopts the international common touch screen interface design, which is easy to operate, has the formula function, realizes one key switch, and can select the IC card control authority function.

Main parameters and highlights of the equipment
1. At present, the fastest winding speed is 3000 mm / s.
2. Tension closed loop control is adopted, and tension fluctuation is less than ± 5%.
3. Double closed loop control is adopted for electrode feeding and rectification, and the cell alignment is less than ± 0.3mm.
4. Siemens SIMOTION high-end motion control system with high performance and modularization.
5. Siemens S120 servo system is adopted, which is high efficiency and energy saving.
6. Integrated programming --- improve the efficiency of development and maintenance.
7. Some process pain points are solved: the polar ears are folded, the polar pieces are cut off and the powder is removed.