1

This ultrasonic kneading machine is suitable for cylindrical multi-tab cells(4680,4690) kneading.

(1) Ultrasonic Kneading of cathode tab.

(2) Ultrasonic Kneading of anode tab.

(3) With high efficiency and low internal resistance, it is an ideal choice for large capacity power batteries.

2

Generator:

(1)  The circuit adopts international advanced full-bridge voltage regulator circuit, and is optimized to achieve constant voltage output.

(2) Automatic frequency tracking without manual adjustment.

(3)  Voltage fluctuation can work range: 150-260V fluctuation period does not affect the output power and working frequency.

(4)  It has reached the international technical level of similar products. 

3

Ultrasonic transducer Kneading system:

(1) The machinery is precise and stable.

(2) Fixed flange mounting.

4

Advanced ANSYS analysis system:

(1) The ultrasonic metal flatting energy exchange system, amplifying rod and kneading upper acoustic pole mold are strictly designed and analyzed by the internationally recognized finite element software ANSYS.

(2) This test method reaches the level of foreign advanced counterparts in ultrasonic mold design

5

Ultrasonic up and down acoustic pole(Kneading head),

(1) Strictly selected imported special die steel, wear resistance, high temperature resistance, good toughness, high mechanical rigidity, small deformation after heat treatment, so the ultrasonic output frequency consistency is high.

(2) High frequency mechanical displacement amplitude is large, strong and stable.

(3) International leading professional heat treatment technology.

6

Kneading effect:

After Kneading the surface is smooth, suitable for the laser flatting after the process.

7

Equipment structure composition

(1) The Kneading machine is mainly composed of ultrasonic generator, transducer, upper and lower acoustic pole, etc.

(2) The circuit mode adopts full-bridge high-power acoustic pole type, which must have stable performance and strong output.

(3) The upper and lower acoustic poles are made of new alloy materials with good wear resistance.

8

(1) Power supply: single-phase 110VAC±10%.

(2) Air source: Pressure 0.4~1MPa, humidity less than 48%, temperature not higher than 45℃.

1

All components are of metal construction.

2

For the convenience of machine maintenance and transportation, are separate structure.

3

The working drive of the equipment is pneumatic drive.

NO

Item

Specify

1

Substrate (thickness)

（1）Cathode：Aluminum foil 0.015-0.020mm。

（2）Anode：Copper foil 0.009-0.012mm。

2

Cell mode

The diameter of the cell is 29-31.5mm, the height before flatting is 77.5mm: The height of the flatting coil is 67.5mm, and the anode and cathode both have a 5mm uncoated area. The anode and cathode are aluminum foil.

3

Flatting method

（The drawing above is for reference only, actual customer requirements prevail）

4

Kneading head design

5

Kneading

parameter

(1) Flatting time: within 0.2-1S (adjustable program 0-60S).

(2) Flatting pressure: 0.1MPa ~ 1MPa, adjustable.

6

Kneading

standard

(1) Imported special steel materials.

(2) Ultrasonic flatting conforms to the standard of ultrasonic acoustic principle。

7

Installation of ultrasonic Kneading

platform

(1) Manual operation with tooling platform

(2) The automatic line only provides ultrasonic energy exchange system and ultrasonic generator, and the tooling is designed by the manufacturer according to the direction and convenience of the whole line.

8

Amplitude adjustable range

Half-cycle 20~60um.

9

Transducer

(1) The frequency difference between each transducer is less than 400Hz.

(2) Impedance difference between each transducer ≤4Ω.

(3) Capacitance difference between transducers ≥30MΩ.

10

Electric power frequency parameter () 

Maximum input power: 4000VA. (Power adjustable).

(1) Ultrasonic frequency: 20KHZ. (Automatic tracking).

(2) Constant amplitude constant pressure constant current. (The amplitude is adjustable).

(3) Flatting mode: time mode (Siemens program LOGO control).

11

Equipment control mode

(1) Hand motor is controlled by foot switch signal.

(2) Supporting production line for IO line signal control.

12

Flatting ability and acceptance specification

(1) Flatting the cell end side flat

(2) Flatting qualified rate: 99.9%. The first-pass rate is 99.9%. The user must ensure that the products, processes, and materials are consistent, that the operators have received professional training from the supplier, and that the demander maintains the equipment on a weekly basis.

(3) The process is to flat the effect to meet the requirements of the manufacturer and ensure the production capacity as the main index.

(4) The operator must do ultrasonic flatting every day more accurate work, when the quality department can approve the mass production.

(5) Ultrasonic flatting flat head failure and production under viscous condition do not belong to the scope of this failure.

13

Designed service life of equipment

(1) Overall structure: ultrasonic generator, ultrasonic transducer system, ultrasonic up and down acoustic pole, pneumatic components, frame, workbench, etc.; (Hand motor with workbench, no workbench with production line).

(2) The designed service life of the equipment is 10 years. Service life 10 years The user shall ensure that the products, processes, and materials are consistent. The operator shall receive professional training from the supplier and the customer shall maintain the equipment on a weekly basis.

14

Flatting the reference picture online

15

The combination of flatting machine

1. Request to havedust removal device (with dust removal machine);

2. The battery should have the end face reference positioning;

3. The fixture in contact with the battery is non-metallic;

4. Clamp fast and reliable (no axial movement);

5. Only one set of ultrasonic device (onlyflatting thecathodeelectrode)

(2) Flatting machine generator size (length x width x height):

Electric box: 520 mm 480 mm390 mm; (Drawings are attached for specific installation dimensions).

(3) Flatting head size (top: length x width x height):

420mm x295mm x473mm(Drawings are attached for specific installation dimensions).

16

Description of acceptance method

The effect of flatting is shown in the figure above. The two ends are flat and tight.