20 kHz / 7000 Watt Ultrasonic Wire Harness Welding Machine is a top-tier, heavy-duty ultrasonic metal welding system engineered for large-scale industrial production. Designed for Electric Vehicles (EVs), automotive OEMs, aerospace, solar, power distribution, and energy storage industries, this machine delivers exceptional welding performance for thick cable bundles, bus bars, and high-current conductors.

With a robust 7000-watt ultrasonic generator, the system achieves powerful and stable energy output, ensuring strong and uniform welds on copper and aluminum wires. The machine uses advanced digital frequency tracking, energy monitoring, and real-time amplitude control to maintain accuracy and reliability even in multi-layer wire structures.

This 7000W ultrasonic welder eliminates solder, flux, and consumables, offering a clean, oxidation-free, low-resistance joint ideal for advanced electrical systems. Designed for continuous production, it features an air or optional water-cooled system, a reinforced welding head, and automation-friendly connectivity suitable for robot lines and PLC-based assembly.

Engineered for maximum productivity, precision, and long-term durability — this machine is the ideal choice for manufacturers requiring high-strength, repeatable, and high-output ultrasonic welding performance.

Key Features

• Extremely powerful 7000 Watt ultrasonic generator for heavy industrial welding

• Ideal for large wire bundles and high-current EV cable assemblies

• Zero-solder, zero-flux, clean and eco-friendly metal welding

• High bonding strength with minimal electrical resistance

• Advanced microprocessor-based digital control

• Consistent welding output for high-volume production

• Equipped for multi-layer and multi-strand thick wires

• Stable performance with frequency auto-tracking and amplitude control

• Heavy-duty welding head designed for long operation cycles

• Built-in safety features and fault diagnostics

• Compatible with robotic automation lines

Product Applications

Perfect for high-load electrical and automotive industries:

• EV Battery Cable Welding

• Automotive Wire Harness Manufacturing

• Bus Bar Welding (Copper & Aluminum)

• Energy Storage System (ESS) Cable Assembly

• Aerospace Wire Harness & Control Wiring

• Solar Panel & Inverter Cable Production

• High-Current Terminal Welding

• Charging Connector & Power Cable Assembly

• Industrial Electrical Panel & Switchgear Manufacturing

• Hybrid Copper-Aluminum Welding