In a market crowded with specialists, Transworld Engineering has built its reputation by doing something different: allowing businesses to find the right machines for their complete production line, at the right price, from a single reliable partner.
Founded in the UK in 2009, Transworld Engineering (TWE) is a supplier of spring manufacturing machinery and engineering support, offering a wide range of solutions that includes spring coiling machines, wire formers, torsion machines, stamping-forming machines, decoilers, grinding machines, heat-treatment ovens, tooling, testing machines and customised solutions.
It offers high quality engineering support thanks to its team of engineers with hands-on spring making experience and a strong focus on after-sales support, training, and long-term partnerships.
Today, Transworld Engineering is one of the fastest-growing spring machinery suppliers in Europe, with machines in more than 10 European countries and an ever-changing catalogue driven by real production needs.
TWE will exhibit at Wire Düsseldorf 2026, where visitors can meet the team at Hall 16, Stand E17.
The 2026 edition marks an important milestone for the company, with the official presentation of its new range of stamping-forming machines, a strategic expansion designed to support manufacturers looking to increase productivity while keeping their production lines versatile and efficient.
Alongside the new stamping-forming solutions, Transworld Engineering will showcase a selection of machines that represent its core philosophy of flexibility and performance, including:
Each machine on display reflects Transworld’s approach: practical engineering, competitive investment levels, and solutions developed alongside spring makers, not in isolation.
📍 Hall 16 – Stand E17
With energy costs rising across Europe, manufacturers are facing new challenges that extend beyond just production rates and output quality. Reducing energy consumption is rapidly becoming a priority, not only to ease the financial burden of rising utility bills but also to meet increasingly stringent environmental standards. For companies investing in machinery, it’s clear: choosing equipment that prioritises energy efficiency isn’t just a smart move—it’s a necessity.
Energy-efficient machines offer real, measurable benefits beyond the immediate cost savings on your monthly bills. Machines like Agibi Progetti's range of advanced solutions represent a forward-thinking approach, designed with optimised energy consumption to help businesses save on operational costs over time. Agibi Progetti’s equipment uses state-of-the-art technology to ensure high-quality results while reducing unnecessary power usage. And for manufacturers, this isn’t just about keeping a tighter hold on operational costs but also about making a genuine commitment to sustainable practices.
Every time an energy-efficient machine is put into production, it reduces strain on local grids and contributes to a cleaner planet. These changes may feel small at first glance, but across an industry, they make an impact. For manufacturers, this means lower energy bills and a more stable cost structure moving forward, giving them a competitive advantage that stretches far beyond cost savings.
At Transworld Engineering, we believe that responsible energy consumption isn’t just a trend; it’s a crucial part of futureproofing our industry. As we work to enhance the energy efficiency of our own machines, we understand that this is no small feat. Improving energy efficiency in industrial machinery requires substantial investments in R&D, fine-tuning machine components, and adapting designs to keep performance high while reducing power draw.
This isn’t something that happens overnight, but it’s a journey we’re committed to. By gradually implementing smarter energy solutions, we aim to make our machines as efficient as possible. This means not only creating value for our customers but also playing our part in reducing the carbon footprint of the entire manufacturing sector.
Energy-saving machinery isn’t just a solution for today—it’s an investment in the future. By choosing machines that prioritise efficiency, businesses can set themselves up for long-term savings, positioning themselves as leaders in sustainability and responsible production. While Transworld Engineering has a long way to go on this journey, our commitment is unwavering, and we’re confident that the steps we’re taking will result in a brighter, more sustainable future for all.
With increased awareness around energy consumption, it’s no longer enough to simply be productive. By choosing partners and products that support sustainable energy use, companies can help drive a shift in the industry. With support from manufacturers and customers alike, we’re building a future that values not only productivity but responsibility. Because, at the end of the day, we’re all working towards the same goal: a more efficient, sustainable, and successful manufacturing sector.

We are delighted to announce that Transworld Engineering has officially become the UK agent for Agibi Progetti, a prestigious Italian company known for the design, construction and automation of systems for the production and heat treatment of metal and small parts solutions. This partnership marks a significant milestone for us and highlights the recognition of our persistent efforts in Italy.
Stuart Pilley, Managing Director of Transworld Engineering, shared his thoughts on this exciting development and its significance for both companies.
"This partnership is a remarkable achievement for us at Transworld Engineering," said Stuart Pilley. "It signifies that our continuous efforts and dedication in Italy have been recognised by one of the industry's most respected companies."

Agibi Progetti, founded in 2001 and based not far from Verona, Italy, has built a stellar reputation for their advanced engineering solutions. Their products are not only made in Italy but also well-known for reducing energy consumption in the customers' factories, aligning perfectly with their goals of efficiency and sustainability.
"Agibi Progetti is renowned for their high-quality, innovative products, and to be chosen as their UK representative is a testament to our commitment to excellence and innovation," Stuart explained. "Their commitment to pushing technological boundaries and helping companies optimise their production processes sets them apart."
Our customers in the UK will now have direct access to Agibi Progetti's state-of-the-art products and solutions. This includes their innovative systems for metal and small parts production, designed to enhance efficiency and reduce energy consumption.
"By representing Agibi Progetti, we can offer our customers top-tier technology and support, ensuring they receive the best possible solutions for their manufacturing needs," Stuart noted.
This partnership is incredibly rewarding for Transworld Engineering. "Being recognised by Agibi Progetti validates our efforts and strengthens our position in the market as a reliable and forward-thinking engineering firm," the MD said. "We are proud to represent such a high-level company and look forward to a successful partnership."
Moving forward, Transworld Engineering will focus on integrating Agibi Progetti's products into our offerings and ensuring our customers are fully supported with these new solutions.
"This partnership is just the beginning, and we are excited about the future opportunities it will bring," Stuart continued. "We are now working on our products to continue developing and promoting innovative technologies that meet the evolving needs of the precision mechanics sector. Agibi Progetti is definitely a valuable addition to the products that we supply, and we believe that their vision of advancing technological solutions and enhancing production processes will drive us forward."
Transworld Engineering's new role as the UK agent for Agibi Progetti not only signifies a significant milestone in our growth but also brings immense value to our customers. With this partnership, we are poised to deliver automated solutions that improve efficiency, reduce energy consumption, and maintain the highest standards of quality. Our collaboration with Agibi Progetti will enable us to provide superior products and services to our clients, ensuring they stay at the forefront of technological advancements in the industry.
Stay tuned for more updates as we roll out Agibi Progetti's exceptional range of products in the UK market. We are excited to share the benefits of this partnership with our customers and look forward to a prosperous journey ahead.
For more information about Agibi Progetti's products and how they can benefit your production processes, feel free to contact us!
We are excited to re-introduce the Spiral Oven TWE-HZIG0A, our innovative, space-saving solution designed specifically for springs and wireforms production, now back in stock!
To celebrate, we’re offering a free 2-month trial, giving you the chance to experience its exceptional features and efficiency first-hand.
The Spiral Oven TWE-HZIG0A is a marvel of engineering, perfect for factories where space is at a premium. With dimensions of 770mm height, 460mm length, and 490mm depth, and a weight of just 65kg, this compact oven can be conveniently disposed under machines in production lines. This clever design reduces the time between processes, eliminating unnecessary delays and optimizing your workflow.

Equipped with advanced temperature control, the Spiral Oven TWE-HZIG0A can reach up to 450 degrees Celsius, ensuring precise and consistent heat treatment of your springs. Additionally, the oven features innovative vibration control, allowing you to adjust the time between vibrations, vibration intensity, and consequently, the speed of the cooking process. These customizable settings ensure that you can fine-tune the process to meet your specific production requirements.
When not in use, the small footprint of the Spiral Oven TWE-HZIG0A makes it easy to store, significantly reducing wasted space in your factory. The lockable wheels make it easy to move the oven around your production floor, providing flexibility and convenience.
The oven uses a standard 3 or 2-pin plug, making it incredibly easy to install and use anywhere in your facility. No specialized electrical work is required, allowing you to get up and running quickly.
This compact tempering furnace is ideal for producers of springs up to 1.6mm who are looking for an efficient solution to simplify their production process. The Spiral Oven TWE-HZIG0A enhances productivity while maintaining high-quality output, making it an essential tool for any modern factory.
We believe in the power and efficiency of the Spiral Oven TWE-HZIG0A, and we want you to experience it without any commitment. That's why we're offering a free 2- month trial, you will just have to cover just the shipping costs to book your slot. Take advantage of this opportunity to see how our oven can transform your production process, reduce waste, and save valuable space in your factory.
Don’t miss out on this exclusive offer. Contact us today to arrange your free trial and discover the efficiency and convenience of the Spiral Oven TWE-HZIG0A.

As we eagerly anticipate the arrival of April 2024, Transworld Engineering Ltd, a leading supplier of spring machinery, based in the UK, is gearing up for an exciting and eventful month. In fact, from April 15 to 19, our company is set to exhibit at the prestigious Wire Düsseldorf, booth G17 hall 16, where we will proudly showcase and demonstrate a selection of our innovative range of products.
Our exhibition participation underscores our commitment to showcasing the latest innovations in spring machinery, positioning Transworld as a central hub for European spring and wire processing companies. We provide comprehensive manufacturing solutions, including high-quality machinery sales, and ensure unparalleled engineering support throughout the product lifespan, empowering spring manufacturers for efficient in-house part production.
After years of experience in the manufacture of spring tooling, Phil Barrett embarked on research for quality spring machine manufacturers. Throughout this period, he established valuable connections worldwide, nurturing lasting friendships and robust partnerships with top manufacturers, culminating in the establishment of Transworld Engineering in 2009. Collaborating with Stuart Pilley, the company flourished, expanding its market internationally. Pilley's skills and ambition played a crucial role. In 2023, driven by his love for the industry, Pilley acquired the company, relocating the headquarters to Cradley Heath, marking a new chapter in Transworld Engineering Ltd.’s journey.
The company embodies a fusion of traditional customer care values with the contemporary aspects of technological advancement in its machines. At present, Transworld boasts a dynamic and continually growing team of young, highly skilled professionals dedicated to ensuring that the machines and after-sales services offered consistently meet or exceed expectations.
Committed to providing optimal solutions for its customers, the company recently partnered with Unison Ltd, tube bending machinery specialist, to start the new joint venture of supplying wire and small tube bending machines: Pneuform.
Pneuform emerged as an early innovator in the realm of CNC 3D wire bending. Presently, its machines for bending wire and small diameter tubes have become the benchmark within the industry, adopted by numerous manufacturers of beer coolers, drink dispensers, HVAC equipment, and small diameter automotive
parts. Pneuform's range of wire bending machines encompasses rotary head models, flat rotary line bending machines, and enamelled wire bending machines.
For further information regarding Pneuform products, the engineers from Transworld (Stand G17, Hall 16, specialised in wire) and Unison (Stand 27, Hall 6, specialised in tube) will be available at the Wire show to assist with inquiries related to wire and tube solutions.
At Stand G17 in Hall 16 at Wire Düsseldorf, visitors will be able to discover the tube and wire bending technologies offered across the Transworld and Pneuform machine tool ranges. Between our machines, we chose to put on display three: TWE-830, TWE-NM1220X and TWE-1245.
Our 8-axis High-speed CNC Coiler machine stands out as one of our best-selling products in Europe, primarily due to its capacity to efficiently handle a widely used range of wires (Ø1-3mm).
We are set to reveal our flagship CNC wire former at the Dusseldorf Wire Show, featuring 12 axes and the characteristic X-shaped slide layout, equipped with vertically and lateral movement and multi-tooling holders.
An efficient larger and powerful wire former that can craft round and flat wire shapes (Ø 1.2 – 4.5mm), including clock springs. Optional add-ons include a bending station, ideal for larger legs, and a servo cutter for a smooth, burr-free finish.
In addition to Transworld’s engineers, the SAS team will be present in the stand, showcasing a selection of their innovative testers and automatic sorting machines.
For more product information, please contact:
Stuart Pilley – Managing Director, Transworld Engineering Ltd.
T: +44(0) 121 7400189
Different materials provide different properties in spring making. Here we take a look at the most common materials used:
Although the intended use is always the deciding factor behind selecting the type of material, low alloy steel is usually better ferrous material than carbon steel in several ways. Manufacturers create low alloy steel by adding a set ratio of alloy elements like Molybdenum, Chromium, or Nickel.
Low alloy steel material provides several specific benefits over mild steel, making it appropriate for particular categories of springs. Low alloy steels feature extremely high-temperature properties leading to hot compressive strength. It implies that such springs get a crucial property of lasting much longer under axial stress. Research documentation proves that the addition of any of the three alloy elements can improve creep strength to achieve this sought after property of axial stress: Nickel, Moly, or Chromium.
The cold-forming process is well known to provide better temperature tolerance, stress tolerance, and tensile strength, in addition to the usual benefit of improved surface finish. Cold drawing refers to the work-hardening effect. It alters the basic crystalline structure of steel, leading to a change in its mechanical properties.
Skilled spring manufacturers use several methods to manufacture different spring and wire forms. They can achieve the required capabilities and qualities for various applications.
Oil tempered spring wires are vital for everyday life as we use them widely for the automobile industry. Several small classifications define the wire properties in this category, including fatigue stress. We often use these wires in products like cars where suspension is critical for the functional ability of the device.
Hardened steel is essential for creating material that can provide more excellent fatigue resistance and strength. Bainitic hardening involves heat treatment of steel to get the desired properties. People prefer bainitic tempering to martensitic steels because this process hardly needs any additional heat treatment.
Manufacturers create stainless steel by increasing the composition of chromium in the steel to a minimum of 10%, although practically, it is often close to 17% of steel. Moreover, it also includes 7% nickel, a little magnesium, and some carbon too. All these elements work together to create the most incredible quality of stainless spring steel which lies in its extraordinary yield strength.
Apart from making springs, people also use stainless spring steel in diverse applications like antennae, lock picks, and washers. There are many applications for stainless spring steel, but this material features a very important property of protecting against corrosion.
It offers protection against oxidisation and some organic acids due to a high chromium concentration in the steel. On the other hand, the Nickel element in the steel gives protection against atmosphere elements and acids like phosphoric acid.
Stainless spring steel is also appropriate for application requiring to endure high temperatures. You can hot work this type of steel below 1,700 degrees F. You may have to work at a temperature of around 2,100 degrees F to forge the stainless spring steel successfully. That is why most stainless steel forming work involves manufacturing via the cold working process. However, it may create unwanted magnetism in the material, which you will have to treat after the casting work is complete.
Mostly steel and its different alloys remain in high demand due to their versatility and affordable costing. However, some people also work with titanium or copper alloys. You can create Titanium alloys by using elements like molybdenum and Aluminium.
It is important to note here that Titanium alloys are much more expensive than usual steel alloys. It implies that you should prefer titanium alloys for working only in specific circumstances where you can justify higher costing. In most such cases, the application requires a high degree of precision in the final product. Prominent examples of such applications may include space travel or military aircraft work where accuracy is crucial, and you can justify higher costing.
People use both copper and titanium alloys in creating torsion springs. Such springs find their use in hinges and doors for regular service or even sophisticated medical equipment. Similarly, such material is also appropriate for use in retractable seats.
This article refers to the mechanics and operation of a small-scale spring rolling machine. The project scope includes the application of this spring-making machine in the small-scale industry. It can produce open and closed helical springs having different spring and spring coil diameters. One can make use of this machine to manufacture springs on a small scale without much expenditure.
In the first instance, the procedure for making springs is the same whether fully automated, or partly manual in process. The advantage of seeing a manual machine is that it is possible to see much more of the process, and therefore to understand both he processes, and the various stages material will go through as it is formed into a spring.
Therefore, the aim would be to learn about several types of springs used in different automotive parts and similar mechanisms. It also throws light on the crucial role played by these springs in different kinds of instruments.
The example suggests that you have prepared the spring-making machine with a very simple arrangement. You can operate this machine manually to produce closed coil helical springs of different lengths and diameters.
This project explains how a spring rolling machine works. Please note that the term rolling refers to a process whereby the operator bends a metal wire in a curved form to create different springs.
Here is a simplified explanation of the machine layout and how the machine works.
When you rotate the handwheel, it makes the shaft run—an MS plate layout couples the primary shaft with the bearing. The handwheel rotation makes the main shaft rotate. Before turning the handwheel, you have to lock the wire with the locking nut of the spring mandrel.
A guide affixed to the machine-frame stand of the spring-making machine applies the load to supply the said wire. The guide can rotate freely as per the shaft speed.
One end of the primary shaft is joined to that chuck. Similarly, the other end of the same is connected to the handwheel. A mandrel with several diameters (or a spindle shaft) is joined to that chuck, and then it starts to rotate.
When you turn the handwheel, it turns the rolling shaft. The same part makes the spring roll. The operator can decide the changes in the spring length based on the spring rotation. Once the operator has completed the aimed spring length, he can stop the handwheel rotation.
The operator keeps on rolling the spring wire until the desired length is achieved. It marks the end of the production of the final product of spring. You can repeat the entire procedure for mass production.
Those of you familiar with Hooke’s law will be aware that the force a material exerts is proportional to the energy used to deform it.
In other words. The more you try and bend or deform a material, the harder it is to deform it further.
From Wikipedia;
https://en.wikipedia.org/wiki/Hooke%27s_law
Hooke's law is a law of physics that states that the force (F) needed to extend or compress a spring by some distance (x) scales linearly with respect to that distance—that is, Fs = kx, where k is a constant factor characteristic of the spring (i.e., its stiffness), and x is small compared to the total possible deformation of the spring. The law is named after 17th-century British physicist Robert Hooke. He first stated the law in 1676 as a Latin anagram.
He published the solution of his anagram in 1678 as: ut tensio, sic vis ("as the extension, so the force" or "the extension is proportional to the force"). Hooke states in the 1678 work that he was aware of the law since 1660.
Constant force springs are best used as a counterbalance. In everyday application these springs are used most commonly to supply a retracting force for items such as self-closing doors, seatbelts and interior blinds.
Variable diameter springs do not have a constant diameter when measured across the length of the spring.
The variable diameter means that the spring does not follow Hooke’s law F=- kX
Where F = Force, k is the proportional constant and x is the change in length from the equilibrium.
The minus is there as the force we are talking about is the counter to the force of exertion. In other words it is a responsive force. “-k” the force within the spring, is countering “k” the force exerted on the spring.
The constant force spring is a resilient, rolled up spring that provides a constant and lasting force to the connection. A variable diameter spring, depending on how it is set up can provide either decreasing or increasing resistance to force as the spring is extended or compressed.
The helical nature of the spring means that each full diameter of a variable diameter spring fits inside the preceding diameter.
Within a battery compartment. There may be a pressure leaf or, more commonly to provide stronger force, a variable diameter spring. When placing a AA battery the positive end will often be pressed against a leaf, and the negative (flat) end will then be pushed into place against pressure from
High end mattresses may be sprung. Often having pocketed springs that compress to provide support for the sleeper. They also provide lateral flex so as not to resist movement of the sleeper and give even support regardless of the angle of compression.
Vehicle suspension systems. The ability for the spring to compress to a low height is an important consideration for some applications where space is at a premium.
https://www.researchgate.net/publication/322790365_Helical_spring_with_variable_wire_diameter
The spring’s characteristic is determined by two factors. On one hand, by the minimum distance between two adjacent coils, for the unloaded spring, distance which decreases with increasing wire diameter.
On the other hand, by the coils’ deflection, which decreases with increasing wire diameter. Consequently, the actual distance between the adjacent coils represents the difference between the two sizes. As a result, the adjacent coils will successively touch each other, depending on the actual distance between them, and the spring stiffness will usually be increasing.
See the definition for active coils here.
The point at which a spring will become permanently deformed due to the stress. The elastic limit is a function of the spring’s material, the number of coils, the length of the spring and the tightness of the wind.
A zinc coating of steel to prevent oxidisation. The spring material is placed in a solution containing zinc at a high temperature. Typically, at 450 degrees C
A spring designed to provide resistance against extension.
In the case of spring manufacture this is a term used to describe the gradual wearing of spring material over long use periods. Micro fractures in the spring material occur under load and increase in severity over time. The fatigue process can be accelerated by processes such as oxidisation and be mitigated by strengthening the original spring material and by aging and hardening the springs material to provide stronger molecular bonds.
The length of a spring when assembled into the position, within a mechanism, from which it is required to function. This will often vary from the resting or manufactured length as allowances are made for springs to extend or compress under load.
A torsion spring is a spring where the spring ends are open and extend at a tangent from the main body. Typically, at 90 degrees from each other. The springs body provides resistance to these ends preventing them from being easily compressed (the angle between them decreased under pressure) or extended (the angle between the legs increases under load). The free angle is the angle between the legs of a torsion spring when the spring is not loaded.
The length of a spring when it is not loaded. In the case of extension springs this includes the anchor points.
Gauge has two distinct meaning. Gauge of material. The thickness of the material used in constructing a spring. It can also refer to the device used to measure aspects of the spring. You may use a gauge such as a digital caliper to measure the gauge of spring material.
The removal of metal from the end faces of a spring by the use of abrasive wheels to obtain a flat surface, which is square with the spring axis.
The end of a spring is ground to provide a flat plane. Handing The direction in which the helix of a spring is formed.