Bottom Welder

Your Professional Bottom Welder Supplier

Since 2003, our journey in the battery industry has evolved from supplying premium battery materials and electrode films to becoming a full-service provider of turnkey battery production solutions.
Our product portfolio includes lithium ion battery coin cell assembly, automotive spot welder, and pouch cell assembly, among others.

Bottom Welder Machine

Why Choose us

Quality Assurance

We strictly adhere to international quality management system standards. Our products have passed multiple certifications including ISO, CE, and UL, ensuring high reliability and long-term stability.

Professional Service Team

Equipped with an experienced technical support team and after-sales service personnel to provide customers with comprehensive and timely technical support, as well as operation and maintenance guarantees.

Technological leadership

The company has independently developed high-efficiency energy conversion technology, continuously promotes product innovation, and maintains its leading position in the field of power management systems.

Parameter

Product Model	RDA-10 000 A	Welding time range	0 -9.9ms
Type	Transistor Standard Type	Slow down time range	0 -9.9ms
Input Power	2 20V 50Hz	Cooling time range	0 -99.9ms
Maximum input power	1 KW	Holding time range	0 -99.9ms
Maximum welding current	10 000A	Current setting range	2 00- 10 000A
Maximum welding voltage	10 V	Voltage setting range	0 -9.99V
Maximum welding frequency	150 KHz	Cooling method	Air Cooling
Control Mode	CC /CV/CCCV	Weight	12 kg
Preload time range	0 -9999ms	Dimensions	415215348mm
Ramp-up time range	0 -9.9ms	`

Benefits of Bottom Welder

High Efficiency
Bottom welders can deliver high welding currents in a short period of time, allowing for rapid welding of various materials. This high efficiency is particularly beneficial in mass production environments, where time is of the essence. By reducing the welding time, manufacturers can increase their production output and improve overall productivity.

Precise Welding
The ability to control the welding parameters, such as current, time, and pressure, allows for precise welding of different materials. This precision ensures that the welds are strong, reliable, and consistent, meeting the quality requirements of various applications. Whether it's welding delicate electronic components or thick metal parts, a bottom welder can provide the accuracy needed for a successful weld.

Minimal Heat Affected Zone
Compared to other welding methods, battery spot welding produces a relatively small heat affected zone (HAZ). This means that the surrounding material is less likely to be affected by the welding process, reducing the risk of distortion, warping, and changes in material properties. This is especially important when welding materials that are sensitive to heat, such as thin metal sheets or heat-treated components.

Application of Bottom Welder

Cylindrical battery production: Automated systems weld the negative shell and electrode of cylindrical cells, such as the \(18650\) format.

Battery pack assembly: Machines connect individual cells to form modules and larger packs by welding tabs and busbars together. High-volume production: Automated systems, often using lasers, can weld thousands of cylindrical cells per second, ensuring consistency and speed in manufacturing.

Quality control: Advanced laser systems can use real-time monitoring to detect bad welds immediately, ensuring the safety and reliability of the final product.

Delivery Information

Shipping Methods: We offer a variety of shipping options, including sea freight, air freight, railway transportation, and international express delivery, to meet the diverse needs of our customers.

Estimated Delivery Time: We will provide you with the estimated delivery time for your order, which will be clearly stated in the formal order to ensure your rights are protected, allowing you to arrange for the receipt of your goods in a timely manner.

Order Tracking: We provide order tracking services, allowing you to stay informed about the current status and expected arrival time of your order. Detailed inspection information and shipping manifests, including photos and videos, are provided to ensure the security of your transactions.

FAQ

Q: How does a battery bottom welding machine work?

A: The process uses resistance spot welding, where electrodes apply current and pressure to fuse a metal tab from the battery's rolled inner material to the bottom of its steel can. The electrode is a hollow needle, usually made of copper or an alloy, that is inserted into the center of the battery's top. The machine applies pressure and sends a precisely controlled burst of electric current through the electrodes.

Q: How to protect an ECU when welding?

A: Avoid welding near electrical systems or with the battery connected. Make sure the battery is disconnected and all systems are shut down before the welding process. Electric current flowing through from the welder can damage or short circuit electrical components.

Q: How long will a battery powered welder run?

A: The operating duration of a battery-powered welder typically ranges from several hours of continuous use on a single charge. In stick welding mode, the device can support up to 33 electrodes per charge, while in TIG mode at 70 amps, it can operate for up to 50 minutes before requiring recharging.

We're professional bottom welder manufacturers and suppliers in China, specialized in providing high quality customized products. We warmly welcome you to buy bottom welder for sale here from our factory. For price consultation, contact us.

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