Ultrasonic Horn
JSB Ultrasonic manufactures precision Ultrasonic Horns (sonotrodes) — the tool that transfers and shapes vibrational energy at the exact weld point. From standard replacement horns to fully custom-machined tooling and welding molds, our horns are engineered for consistent amplitude transfer and long service life.
Horn design is one of the most important — and most often overlooked — factors in achieving consistent weld quality. Our range includes standard horns, custom molds (such as paper cup and charger housing molds), and application-specific tooling.
What is a Ultrasonic Horn?
A horn is precision-machined from a resonant metal alloy — typically titanium or aluminium — to a length and shape tuned to resonate at the welding machine’s exact operating frequency. As the converter/booster assembly drives the horn, it amplifies and directs vibrational energy into the contact face, concentrating it precisely at the weld joint. Horn face geometry — flat, contoured, or molded to a specific part shape — is designed around the application it will weld.
Key Features
- Precisely tuned to your machine’s operating frequency
- Custom mold and contour geometry available
- Manufactured from titanium or aluminium alloy
- Consistent amplitude transfer for repeatable welds
- Designed for long service life under continuous use
- Compatible with standard ultrasonic welding machines
Applications
Our ultrasonic horns range is used across:
- Custom tooling for specific part geometries
- Replacement horns for existing machines
- Paper cup and charger housing welding molds
- High-volume production tooling
- Specialized and hard-to-reach weld-point applications
Technical Specifications
| Parameter | Specification |
|---|---|
| Component Type | Ultrasonic Horn / Sonotrode / Mold |
| Frequency Compatibility | 15kHz / 20kHz / 28kHz / 35kHz |
| Material | Titanium / Aluminium Alloy |
| Horn Type | Standard / Custom Mold Geometry |
| Compatible Machines | Standard Ultrasonic Welding Systems |
| Warranty | 6 Months |
Why Choose JSB Ultrasonic?
JSB Ultrasonic designs and manufactures ultrasonic horns and welding molds for a wide range of applications, from standard replacement horns to fully custom tooling engineered around your specific part geometry — including specialized molds like paper cup and charger housing welding tools.
Frequently Asked Questions
Can you design a custom horn for my part?
Yes, we can design a custom contact face or mold geometry to match your specific part shape and weld-point requirement.
What frequency machines are your horns compatible with?
Horns are matched to a specific operating frequency — please confirm your machine’s frequency so we can supply or design a compatible horn.
Do you offer horn re-tuning or refurbishment?
Yes, we offer re-tuning and refurbishment services for existing horns that have drifted out of specification through wear.
Do you provide installation and training?
Yes, installation support and operator training are included so you can get the machine running correctly from day one.
Do you offer customization?
Yes, our engineers can review your part or application and recommend a customized fixture, horn, or configuration.
What after-sales support is available?
We provide spare parts, preventive maintenance guidance, and remote or on-site troubleshooting support for the life of the machine.
Buy Ultrasonic Horn in India
We supply ultrasonic horns to manufacturers in Delhi, Noida, Gurgaon, Faridabad, Bengaluru, Chennai, Sonipat, and across India, with export support internationally. Contact JSB Ultrasonic for a machine recommendation and quote tailored to your application.

