Cylinder Battery Cell Single Point Pneumatic Spot Welder

AOT-MSK330A battery spot welding machine  is mainly used for welding the cylinder core's negative terminal (Nickel tab) to the bottom of the cylinder case. It can also be applied to welding processes for nickel hydrogen, nickel chromium, and various lithium-ion batteries.

1.Controlled by a microcomputer microcontroller, single pulse, double pulse, and multi pulse welding can be achieved, with more stable and reliable performance;

2. Stable welding current, uniform size of welding points, small welding sparks, and no blackening;

3.The welding pressure is independently adjustable, and the welding force consistency is good;

4.Good welding effect, strong bonding strength of welding points, preventing excessive internal resistance of the battery;

5.Digitized setting of various parameters, intuitive and accurate;

6.Compatible with negative electrode welding of cylindrical battery cells with 18650 and 21700 specifications.

Specification:

Company Profile

Xiamen AOT battery equipment Technology Co LTD was set up as a manufacturer in 2006. We have total manufacturing facilities of around 4, 000 square meters and more than 65 staff. Owning a group of experienced engineers and staffs, we can bring you not only reliable products and technology, but also excellent services and real value you will expect and enjoy. AOT Battery has been focused on product development and operations of lithium battery and its surrounding, we supply full kinds of lithium-ion battery equipment, lab battery raw materials and lithium-ion battery research and development technology.

Exhibition

AOT Lithium Battery Equipment exhibition provides exhibitors and visitors with a comprehensive platform for display, exchange, cooperation and trade. By participating in the exhibition, enterprises can understand the industry dynamics, expand market channels, enhance brand image and promote technological innovation and industrial upgrading.

Certificate

Cooperative

FAQ

Q1. What is a battery spot welding machine?

A battery spot welding machine is a specialized equipment used in battery manufacturing to join the various components of a battery pack through spot welding. It uses electric current to create a localized heating effect, melting the metal surfaces of the battery components and fusing them.

The machine typically consists of a power supply, electrode terminals, and a control unit. The battery components, such as battery cells, bus bars, and tabs, are positioned between the electrode terminals. When the machine is activated, a high current is passed through the electrode terminals, causing the metal surfaces to melt and form a solid bond. The duration and intensity of the current are controlled by the machine's settings to ensure proper welding.

The spot welding process ensures a reliable and low-resistance electrical connection between the battery components, which is critical for the overall performance and safety of the battery pack. The machine may also have additional features such as adjustable welding parameters, monitoring systems, and safety mechanisms to ensure consistent and precise spot welding results.

Q2. What battery to use for the spot welder?

The battery used for a spot welder is typically a high-capacity lithium-ion battery. These batteries are known for their high energy density, which allows them to deliver the power needed for efficient spot welding. The specific battery requirements may vary depending on the size and power output of the spot welder. It's important to choose a battery that can provide the necessary voltage and current levels required by the spot welder for optimal performance.

Q3. How does the battery spot welding machine work？

The battery spot welding machine is a device used to join the various components of a battery pack together through spot welding. 

Here's how it typically works:

    Preparation: The battery spot welding machine is set up and connected to a power source. The machine is equipped with two electrode tips or probes that will deliver the welding current to the battery components.

    Alignment: The battery components, such as the battery cells and bus bars, are aligned and positioned correctly on the welding surface of the machine. The electrodes are positioned to make contact with the desired welding points on the components.

    Welding parameters: The operator sets the desired welding parameters on the machine. This includes parameters like welding current, duration, and electrode pressure.

    Welding process: The operator activates the welding process, typically by pressing a foot pedal or pushing a button. When activated, a high current is passed through the electrode tips onto the welding points, creating an intense heat at the contact points.

    Weld formation: The heat generated by the current melts a small amount of material from the components being joined. As the current is applied for the specified duration, the melted material solidifies, forming a strong weld bond between the components.

    Cooling: After the welding process, the welded area needs to cool down to ensure the weld solidifies completely. Some machines have built-in cooling mechanisms to speed up this process.

    Inspection: The welded components are inspected to ensure the weld quality and integrity. This may involve visual examination, measurement of weld characteristics, or conducting additional tests if required.

By repeatedly performing these steps, the battery spot welding machine can efficiently and accurately join the battery components together, creating a reliable and durable battery pack.