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ALS Ultrasonics Ltd specialises in all aspects of ultrasonic plastic welding and offers a full range of new and used equipment and tooling. We also offer equipment repairs, servicing, spares, sub-contract assembly and hire, providing comprehensive, cost-effective solutions for all your ultrasonic welding requirements. 

ALS Ultrasonics’ partnership with Weber of Germany enables us to offer one of the finest ranges of ultrasonic welding equipment in the market. And as well as supplying Weber products, ALS can also support them, providing various technical services to help you get the most from your investment. 

Almost all of our new ultrasonic welding equipment comes from Weber, but we are able to supply a great range of used machinery from other manufacturers. You can find these listed on our website. 

To find out more about ALS Ultrasonics and the products and services we offer, just give us a call on 01258 459257. 


ALS Ultrasonics Ltd can provide plastic and metal welding tooling for most manufacturers’ equipment, including Branson, KLN, Rinco, Hurfurth, Kerrys, Duckane, Telsonic, Mecasonic, Hermann and Weber. Materials used include:

  • High Grade Aluminium – a relatively inexpensive material with excellent acoustic properties, ideal for manufacturing sonotrodes. Very easy to machine. 
  • High Grade Titanium – a very good acoustic material from which to manufacture a sonotrode.
  • Tool Steel – features high internal resistance, suitable for low to medium amplitude applications.
  • CPM Steel – suitable for the manufacture of high amplitude sonotrodes.
As well as sonotrodes, ALS can produce holding fixtures, slides and rotary table systems in a variety of materials. 

Ultrasonic Plastic Welding Equipment

All of our used ultrasonic plastic welding machines have been refurbished to an extremely high standard by an experienced service technician. They present a practical and economical alternative to purchasing brand new equipment. 

We have a large stock of used products, and can provide a solution for just about any requirement. Popular products include welders from Branson, Mecasonic and Telsonic, but we have equipment from many different manufacturers. You can find many of our used products listed on the ALS website. However, our stocks are constantly changing, so if you cannot find the make or model you are looking for, please get in touch directly. 

Repairs, Spares and Service

We can repair and service virtually all makes and models of ultrasonic welder, as well as provide a full range of spare parts. All repairs are carried out by experienced technicians. 

To find out more about ALS spares, repairs and services, please visit our website or contact us directly on 01258 459257.

Other Services

We also offer a range of supporting services, including:

  • Production Process/Equipment Optimisation – of welding equipment, sonotrodes, fixtures, components, etc.
  • Problem-Solving – investigating and resolving the causes of poor consistency, marking of parts, unsealed parts, high reject rates.
  • General Training – in the use of equipment and equipment maintenance (general and preventative).
  • General Consultancy – on all matters relating to ultrasonic welding. 



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Company Type:
  • Manufacturer
  • Distributor
  • Service Providers

Opening Times

Monday 09:00 AM - 05:30 PM
Tuesday 09:00 AM - 05:30 PM
Wednesday 09:00 AM - 05:30 PM
Thursday 09:00 AM - 05:30 PM
Friday 09:00 AM - 05:30 PM
Saturday Closed
Sunday Closed

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If you've any questions about ALS Ultrasonics products or services feel free to ask them here.

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