hàn nhựa, hàn nắp PP và lưới PA

Ultrasonic Welding Machine – Fast & Precise Solution for PP Lids and PA Mesh

Introduction to Ultrasonic Welding Technology

An ultrasonic welding machine is a device that utilizes high-frequency ultrasonic waves (from 15 to 40 kHz) to generate thermal friction, melting and bonding plastic surfaces together without the need for adhesives or screws. Thanks to this intelligent operating mechanism, the method delivers strong, uniform, aesthetic welds and saves production costs.

Outstanding Applications: PP Lid and PA Mesh Welding

In modern industry, ultrasonic welding machines play an increasingly important role in processing and joining plastic materials. Typical applications include:

1. PP Lid Welding (Polypropylene)

PP is a heat-resistant, lightweight plastic commonly used for bottle caps, packaging lids, and plastic containers. Ultrasonic welding of PP lids helps:

  • Ensure airtight/watertight sealing, no leakage.
  • Leave no glue residue, creating clean and beautiful welds.
  • Achieve fast welding speeds, suitable for mass production.

2. PA Mesh Welding (Polyamide/Nylon)

PA mesh is widely used in fields such as filtration, garments, and electronics. However, joining nylon mesh using traditional methods often leads to tearing or low durability. Using an ultrasonic welding machine helps:

  • Weld securely without deforming the mesh.
  • Create durable joints while maintaining air permeability.
  • Save time and costs compared to conventional thermal methods.

Advantages of Ultrasonic Welding Machines

  • No consumables used, such as glue or screws.
  • Strong welds – excellent load-bearing and waterproofing capabilities.
  • High speed – welding takes only seconds.
  • Safe and eco-friendly – generates no toxic fumes.
  • Flexible customization – suitable for various plastics: ABS, PP, PA, PET, PS…

VietSonic – Reputable Ultrasonic Welding Provider in Vietnam

With over 15 years of experience in the field of industrial ultrasonic equipment, VietSonic specializes in providing high-quality ultrasonic welding machines, custom-designed to meet each customer’s specific needs.
Actual operation video:

Contact Information

VIETSONIC TECHNOLOGY COMPANY LIMITED