FENN Metal Forming Machine Blog | Metal Forming Industry News

Spring Manufacturing: How Spring Coilers Create Precision Springs

Written by FENN Marketing | Nov 6, 2025 12:44:04 PM

Springs might look simple, but behind every perfectly coiled spring lies a fascinating process of engineering, precision, and craftsmanship. Whether it’s a compression spring in an aircraft landing gear or a tension spring in a medical device, every spring must perform flawlessly under demanding conditions. At FENN-Torin, we’ve spent decades perfecting the technology that makes that possible — through expertly engineered spring coilers designed for unmatched consistency and control.

Understanding the Science Behind a Spring

So, how are springs made? It starts with the right material — usually high-tensile wire designed to handle repeated stress and deformation. The wire is precisely fed through a spring coiling machine, which shapes it into tight, uniform coils based on the spring’s specific dimensions and load requirements. Every degree of bend and millimeter of spacing matters; even the smallest inconsistency can alter performance or lead to failure over time.

Spring manufacturing may sound simple, but it’s a balancing act of physics and engineering. The wire diameter, coil pitch, number of turns, and heat treatment all work together to define the spring’s strength and resilience. That’s where precision machinery makes the difference.

The Role of Spring Coilers in Precision Manufacturing

Modern spring coiling equipment — like FENN-Torin’s high-performance systems — automates what was once an entirely manual process. Our coilers feed, straighten, coil, and cut wire in one smooth operation, ensuring every spring meets exact specifications. Whether you’re producing short runs for R&D or high-volume batches for industrial use, repeatability is key.

FENN-Torin’s advanced controls allow operators to fine-tune each parameter, while integrated monitoring systems detect deviations in real-time. This level of precision means less waste, fewer rejects, and higher overall quality. In industries where reliability is non-negotiable — from aerospace to automotive — those details matter more than ever.

From Craftsmanship to Automation — and Beyond

Spring making has come a long way since its early days. While craftsmanship remains at the heart of great spring manufacturing, automation has elevated what’s possible. Today’s engineers can program exact coil dimensions and spring rates, producing consistent results with minimal human intervention. Still, the artistry of understanding wire behavior, tension, and material response remains essential — and that’s where FENN- Torin’s engineering expertise shines.

Each FENN- Torin spring coiler is built not just for precision, but for flexibility. With the right setup, manufacturers can quickly switch between product types and wire materials, adapting to evolving customer demands without sacrificing accuracy or efficiency.

Why FENN Leads in Spring Manufacturing Equipment

FENN- Torin has been an industry leader in spring manufacturing and metal forming innovation for over a century. Our spring coiling machines combine robust construction with intelligent design, enabling manufacturers around the world to achieve tight tolerances, consistent production speeds, and superior spring performance. Each system is backed by decades of engineering expertise and a commitment to long-term reliability.

When you invest in FENN-Torin equipment, you’re not just buying a machine — you’re gaining a partner who understands the art and science of making a spring.

Precision Springs Start with the Right Equipment

In precision manufacturing, the smallest components often make the biggest difference. Springs may be small or large, but their performance can define the success of your entire product. FENN-Torin’s spring coilers are trusted worldwide to produce consistent, high-quality results that meet the toughest engineering demands.

Contact FENN today to learn how our spring coiling solutions can help you create springs that perform perfectly — every time.