Vibratory Stress Relieving (VSR)

When welded fabrications, castings, or machined components are put into service, the last thing you need is distortion, cracking, or premature failure caused by residual stress. At Stressweld, we provide a modern and effective solution: Vibratory Stress Relieving (VSR).

Our service can be carried out in your works or at Stressweld, giving you total flexibility. Using our full automatic VSR machine, we offer a cost-effective, efficient, and environmentally friendly alternative to thermal stress relief – ideally suited for situations where thermal heat treatment is not practical or where component design, size, or location make furnace treatment impossible.

Why Stress Relieving Is Essential

Whenever metal is welded, cast, or heavily machined, stresses are locked into the structure. These residual stresses can lead to:

Distortion during machining
Difficulty holding tight tolerances
Reduced fatigue life
Cracks or unexpected failure in service

Stress relieving redistributes these stresses, extending the life of the component and ensuring dimensional stability. Traditionally, this has been achieved by heating the entire structure in a furnace. But thermal treatment is costly, time-consuming, and often impractical – especially for large or complex assemblies.

That’s why more and more industries are choosing Vibratory Stress Relieving from Stressweld.

What Is Vibratory Stress Relieving?

VSR uses controlled, low-frequency vibrations to relieve stresses within a component. By exciting the structure at its natural resonant frequencies, internal stresses are safely redistributed – without the need for heating.

Our full automatic VSR machine continuously monitors and adjusts vibration cycles, ensuring complete and repeatable results. The process is efficient, reliable, and does not alter the metallurgical properties of the material.

On completion, we supply digital certification to verify that the process has been carried out correctly, giving you confidence and full traceability for quality assurance systems.

The Stressweld Advantage

Choosing Stressweld means working with specialists who understand not just the equipment, but the engineering science behind stress relieving.

Why our services stand out

Flexibility – On-Site or In-House
Proven Cost Savings
Environmentally Friendly
No Material Changes
Full Digital Certification
Applications
Our VSR service is widely used in the following industries

Heavy fabrication and structural steelwork

Power generation and energy sector equipment

Offshore and subsea components

Mining and earthmoving machinery

Precision machining and toolmaking

Large castings and pressure vessels

It is particularly valuable where thermal heat treatment is not practical – for example, when components are too large for a furnace, when on-site work is required, or when heating could damage coatings, assemblies, or material properties.
How the Process Works
Assessment – We inspect your component and determine the optimum method for mounting equipment.

Setup – Our full automatic VSR machine and sensors are installed securely on the structure.

Vibration Cycle – The component is excited at controlled frequencies to achieve resonance, redistributing locked-in stresses.

Automatic Monitoring – The machine tracks vibration response in real-time, ensuring thorough stress relief.

Certification – On completion, we supply digital certification confirming the process was successful.

The result is a stress-free component, ready for machining or service, without the delays of furnace-based heat treatment.
Where VSR Fits in Your Procedure

We understand that every customer has their own standards and specifications. At Stressweld, we apply VSR only where your procedure allows, ensuring full compliance with your requirements. Our flexible approach means we can integrate seamlessly into your workflow and quality system.
Why Choose Stressweld?
Experts in Stress Relieving with decades of experience

Portable and factory-based services for maximum convenience

Full automatic VSR machine for reliable, repeatable results

Digital certification supplied on completion

Proven track record across multiple industries

Trusted partner for jobs where thermal heat treatment is not practical

Stressweld – Relieving the Stress in Your Components

Residual stress is invisible – but its consequences are not. Don’t let it compromise the quality, accuracy, or reliability of your work. With Stressweld’s Vibratory Stress Relieving service, you get a safe, economical, and certified solution. Whether you need work done in our factory or on your site, we deliver the results you need – quickly, reliably, and cost-effectively.

Get in Touch

Contact our team today to discuss your project and discover how Stressweld Ltd can deliver cost-effective, high-quality solutions tailored to your business.