28khz Ultrasonic Handheld Welding Machine Plastic Welder 1800W Auto Frequency Tracking
This handheld ultrasonic plastic welder is a lightweight and versatile portable processing device, specially designed for spot welding, edge sealing and splicing of various plastic workpieces. Adopting mature ultrasonic vibration technology, it generates instantaneous heat energy to realize seamless plastic bonding without glue or fasteners, ensuring eco-friendly and zero-waste processing.
Featuring an ergonomic handheld design, it breaks the limitations of fixed equipment, suitable for both assembly line mass production and partial welding, repair and processing of special-shaped workpieces.
- Wide voltage & global applicable standards - supports 110V/220V voltage with European standard and other mainstream power plugs
- Stable performance & high precision with auto-frequency tracking function
- High-precision welding for various plastic materials including PP, PE, PET, PVC, polycarbonate and polypropylene
- Compatible with non-woven fabrics, textiles and metal parts
- Diversified industry-specific solutions for automotive parts, mask & velcro welding, chicken manure belt welding, and more
- Complete supporting services including cleaning machines, wire harness terminal machines, molds, jigs and precision CNC machining
- Portable & easy-to-operate models ideal for small-batch production, maintenance and on-site applications

| Product name | Ultrasonic welding machine |
|---|---|
| Frequency | 28KHz |
| Power | 1800W |
| Input voltage | 110V 220V |
| Equipment size | 130*265*200MM |
| Welding time | Controllable |
| Welding head material | Aluminum alloy and titanium alloy |
| Welding material | Various thermoplastic materials |
| Condition | New |
| Place of origin | China |
| Weight (kg) | 3.5 |
Dongguan Sailin CNC Technology Co., Ltd.
We specialize in the R&D and manufacturing of ultrasonic technology equipment, offering a comprehensive range of portable ultrasonic welders, handheld ultrasonic plastic welders, and ultrasonic spot welders.

- 28KHz and 35KHz high-frequency ultrasonic spot welding machines
- 220V/110V portable welding machines with auto-frequency tracking
- Specialized tools including acrylic welding guns and adjustable area welding tools
- Automobile parts ultrasonic welding machines and mask velcro spot welding machines
- Chicken manure belt welding machines and non-woven fabric equipment
- 15KHz and 20KHz ultrasonic plastic welding machines
- Precision CNC machining services for spare parts
Our products and technologies are widely applied across industries including automotive, apparel, aquaculture, footwear manufacturing, plastic products, home appliances, medical care, packaging, textiles, electronics, and food processing.
- Welding of car trim, car door panels, and interior plastics
- Non-woven fabrics, cleaning belts, and chicken manure cleaning belts
- Hollow board finishing boxes and various plastic materials
- Spot welding, riveting, sealing, cutting, and bonding operations
- Materials including acrylic, PVC, PET, ABS, polypropylene, polyethylene, polycarbonate, and nylon
All our machines come with CE certification, and we provide machinery test reports upon request. Our ultrasonic welders feature digital controls, electric lift control, auto frequency tuning, and air-cooled systems with power options from 500W to 4800W.

- 15Khz/20kHz ultrasonic welders and 28K handheld ultrasonic welders
- 35kHz automotive interior welders and high-power ultrasonic welding systems
- Portable ultrasonic welders and handheld ultrasonic plastic welding machines
- Ultrasonic spot welders for plastic and fabric
- PVC welding machines and polypropylene welding machines
- Non-woven fabric ultrasonic sealers and specialized equipment for various industries
If you are interested in our products, please feel free to send us your inquiries. We will do our best to offer you a competitive price!
Manufacturer: Dongguan Sailin CNC Technology Co., Ltd.
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