Induction Coil Design Services

Induction coils are not one-size-fits-all. A coil that works well for large-diameter parts can overheat or even melt a smaller one, and a properly matched coil can start causing problems if the workpiece-to-coil distance changes or the heater needs re-tuning. For a full breakdown of coil-related causes and fixes, see our Induction Coil Troubleshooting Guide.

At Inductronix, we know the right induction coil is vital to your induction heating application. We can build and design induction heating coils to your specifications, or our application engineers can work with you to determine the best coil design for your specific requirements. 

View Coil Design Capabilities >

Below are just a few of our basic induction coil designs that can be ordered to your size and fittings.

Our induction coil design services support manufacturers across a wide range of industries, each with its own material, precision, and heating requirements:

• Aerospace: Custom coils for brazing and heat-treating titanium, Inconel, and Waspaloy aircraft components and fasteners
• Automotive: Coils engineered for shrink fitting and aluminum brazing applications
• HVAC: Coils designed for clean, consistent copper and stainless tubing brazing joints
• Medical: Precision small-diameter coils for catheter tipping, crystal growing for lasers, and soldering small contacts on medical devices
• Military & Defense: Coils supporting heat-treating and brazing applications, from aircraft components to crystal growing
• Oil & Gas: Coils designed for brazing, heat treating, and shrink fitting components used in demanding operating environments 
• Renewable Energy: Coils for soldering, annealing, brazing, induction hardening, and material research & testing
• Semiconductor & Crystal Growing: Specialized coil geometries that provide the consistent, dependable heat source required for high-quality crystal production
• Fastener Manufacturing: Coils built for induction hot heading and heat-treating applications requiring uniform, repeatable results

Send us the details of your application and material, and we will get back to you with a quick quote.

1. What is induction coil design?
Induction coil design is the process of engineering a copper coil's shape, size, and number of turns to match a specific workpiece's material, dimensions, and power requirements. A well-designed induction coil focuses heat precisely where it's needed, improving efficiency, part quality, and repeatability in induction heating applications.

2. What types of induction heating coils are available?
Common induction heating coil types include C-shaped, clamshell, conical, pancake, two-turn, and open coils. Each design suits different workpiece shapes and loading methods. For example, pancake coils heat one side of a part, while clamshell coils open and close for quick, easy workpiece loading and unloading.

3. How is an induction heating coil designed for a specific application?
Engineers calculate coil design around the workpiece's material type, dimensions, and required power, then shape the coil to deliver heat exactly where needed. Advanced coil design and simulation tools can preview heat patterns on the workpiece before fabrication, helping confirm the design before it's built.

4. Can an existing induction heating coil be redesigned or repaired?
Yes. Existing induction coils can often be redesigned or optimized rather than replaced entirely, especially if overheating, uneven heating, or efficiency issues develop over time. Common causes include changes in coil-to-workpiece distance or a heater needing re-tuning, both of which a coil design review can diagnose and correct.

5. What industries use custom induction heating coils?
Custom induction heating coils are used across aerospace, automotive, HVAC, medical device, military and defense, oil and gas, renewable energy, semiconductor and crystal growing, and fastener manufacturing industries. Each industry requires coils engineered for specific materials, part geometries, and power levels to achieve consistent, repeatable heating results.