Induction Heating Equipment & Services

Mend Tech designs, services, and supports industrial induction heating coils and systems that keep your production moving. Whether you need a custom build, emergency repair, or performance upgrade — we’ve got you covered!

Mend Tech's Equipment & Services

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Induction heating is a process that uses electromagnetic fields to heat conductive materials. An electromagnetic field is generated by passing alternating current (AC) through a coil. When a metal workpiece is placed within this field, eddy currents are induced and generate heat into the material.

Unlike other heating methods, induction transfers energy directly into the part being heated without physical contact. This results in faster, cleaner, better controlled heating, making it a great solution for a wide range of industrial applications.

Energy Efficiency

Reduce energy consumption by focusing heat only where it’s needed, eliminating wasted heat.

Precision & Control

Induction allows for the ability to control heating patterns.

Increased Production Volume

Rapid heating reduces cycle time and increases production.

Safety & Cleanliness

No flame or combustion creates a safer environment. Induction is a clean and environmentally friendly solution.

Reduce Maintenance

Induction systems have minimal moving parts and contact wear. This reduces equipment maintenance and extends the system’s lifespan.

Automotive & Transportation

• Hardening and tempering gears, shafts, and bearings
• Brazing fuel lines and air-conditioning components

Aerospace & Defense

• Heat treating turbine blades and landing gear components
• Pre-heating and post-weld heating of critical structures

Metalworking & Manufacturing

• Forging and billet heating
• Annealing, stress relieving, and weld post-heating

Oil & Gas

• Pipe coating and preheating
• Pipeline stress relieving and weld post-heating

Medical & Pharmaceutical

• Precision heating or implant manufacturing
• Sterilization of surgical tools

Renewable Energy

• Bonding solar panels and wind turbine components
• Heating for battery technology

• Soldering & Brazing 
• Heat Treating
• Shrink Fitting
• Forging & Forming
• Bonding & Curing

Induction serves as a great solution for the following reasons:

• Enhanced Process Control
• Cost Saving & Reduced Energy Consumption
• Environmental Compliance / Zero Emissions Process
• Scalability & Versatility

An induction power supply generates the alternating current required to create a rapidly changing electromagnetic field, which induces heat in a conductive material.

1. The induction power supply takes an alternating current and converts it to high frequency alternating current through a rectifier that converts the incoming AC to DC.
2. The DC converted is then passed through an inverter, which switches the DC back into high frequency AC.
3. The high frequency AC flows through a copper induction coil, generating a rapidly changing magnetic field around the coil. When conductive material is placed inside or near the coil, the magnetic field induces eddy currents within the part.
4. The induced eddy currents flow through the workpiece, encountering resistance within the material. The amount of heat generated will depend on the power and frequency of the power supply, properties of the material, and coil design.

An induction coil works based on the principle of electromagnetic induction, which is the process of generating electric current using a changing magnetic field.

1. Alternating current flows through the induction coil (most commonly made of copper). This creates a rapidly alternating magnetic field around the coil.
2. When a metal object (such as steel, aluminum, or copper) is placed inside this magnetic field, it experiences a changing magnetic flux. According to Faraday's Law, this change induces eddy currents in the metal.
3. These eddy currents flow within the resistive metal and generate heat due to the metal's electrical resistance. In ferrous metals, additional heat comes from hysteresis loss. This is the resistance of the metal's magnetic domains to changes in the magnetic field.
4. Heating is very localized to the area near the coil. It can be very fast, clean, and precisely controlled, which is used for many applications.

Induction coil geometry plays a critical role in determining the efficiency, heating pattern, and effectiveness o the indction heating process. The shape and design of the coil are customized based on the part's size, shape, and heating requirements. Below is an overview of the most common coil geometries: