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RPS-W20
Rps-sonic
RPS-W20
20Khz High Power Ultrasonic Welding Machine Servo Welding Machine for Precision Welding
Description
The 20kHz High Power Ultrasonic Welding Machine with Servo Control is a high-precision industrial welding system designed for advanced plastic joining applications. It uses high-frequency ultrasonic vibration combined with a servo-driven pressure control system to achieve accurate, stable, and repeatable welding performance.
This machine generates ultrasonic energy at 20kHz to create molecular friction at the welding interface, allowing thermoplastic materials to fuse instantly without glue, screws, or additional consumables. The integrated servo system ensures precise control of welding force, depth, and time, making it ideal for high-end manufacturing environments that require strict quality consistency.
It is widely used in automotive, electronics, medical devices, packaging, and consumer product industries where strong, clean, and reliable welds are essential.
The frequencies commonly used for plastic processing are 15 kHz and 20 kHz, of which 20 kHz is outside the human hearing range, so it is called ultrasonic, but 15 kHz is still in the human hearing range.
The system is equipped with a 20kHz high-power ultrasonic generator that delivers strong and stable energy output for deep and durable welding performance.
A servo-driven control system provides high-precision regulation of welding pressure, displacement, and energy, ensuring consistent weld quality across all production cycles.
The machine supports real-time process monitoring, allowing operators to control welding parameters such as amplitude, pressure curve, and welding time through a PLC touchscreen interface.
Its modular structure allows easy integration into automated production lines, robotic systems, and custom manufacturing setups.
The welding head is made of high-strength titanium alloy, ensuring durability, excellent vibration transmission, and long service life under continuous operation.
Function
◆ Real-time frequency automatic tracking display;
◆ Welding mode: time, energy
◆Amplitude stepping function;
◆Welding amplitude 10-100 adjustable (1% accuracy)
◆Amplitude compensation
◆Mold impedance analysis + protection
◆Overload protection;
◆Quality management (time, energy mutual detection)
◆ welding record (operation statistics);
◆ powerful, high quality, high welding stability
Parameter
| Frequency | Power | Working distance | Input voltage | Air pressure | System language |
| 15Khz | 2500W-5000W | 75mm/100mm | 220V or 110v | 0.2-0.8Mpa | English/Chinese |
| 20Khz | 2000W-4200W | 75mm | 220V or 110v | 0.2-0.8Mpa | English/Chinese |
Ultrasonic welding provides fast, clean, and highly efficient bonding, eliminating the need for adhesives or mechanical fasteners.
The servo control system significantly improves welding accuracy, ensuring repeatable high-quality joints with minimal deviation.
It reduces production cycle time and increases throughput compared to traditional thermal or manual welding methods.
The process generates minimal heat outside the welding area, preventing material deformation or damage to surrounding components.
It also offers low maintenance costs, high automation compatibility, and stable long-term industrial performance.
The 20kHz Ultrasonic Servo Welding Machine is widely used in:
Automotive interior and exterior plastic parts
Electronic components and housings
Medical disposable products and device assembly
Non-woven and packaging materials
Household appliances and consumer electronics
Battery and energy storage component assembly
Filter and industrial plastic parts
Precision thermoplastic welding applications
