Advanced Induction Heat Treatment Solutions

KEXIN provides advanced induction heat treatment solutions for various industries. With thousands of successful applications, we specialize in forging, annealing, melting, and adhesive curing. Our machines ensure high efficiency, precise temperature control, and uniform heating.

KEXIN Induction Heat Treatment Machines

Induction heat treatment enhances the physical properties of metals. KEXIN provides advanced solutions tailored for industries such as automotive, aerospace, and energy. These machines deliver high heating efficiency, precise temperature regulation, and energy-saving features. Applications include forging, annealing, and curing automotive components to ensure durability and optimal performance.

KEXIN offers models including high-frequency, ultra-high-frequency, and medium-frequency options to address diverse requirements. Customization and automation features make these machines a practical choice for improving production efficiency. Advanced technologies, such as third-generation inverters and IGBT components, guarantee consistent and high-quality outcomes.

10KW Super-high frequency Induction Heater

18KW High Frequency Induction Heating Machine

25KW Medium Frequency Induction Heating Machine

25KW High Frequency Induction Heating Machine

25KW Portable High Frequency Induction Brazing Equipment

100KW Super-high frequency Induction Heater

What is Induction Heat Treatment?

Induction heat treatment is a process that uses induced electrical currents to heat materials like metals. It is commonly applied in automotive parts such as crankshafts, gears, and springs to enhance durability and wear resistance. This method offers high efficiency, precise temperature control, and consistent heat distribution.

Another application is induction annealing, which improves the toughness of carburized parts by reducing brittleness. It is also widely used in bonding and curing adhesives for automotive parts, ensuring minimal deformation and high-quality results.

Induction heat treatment provides fast heating, energy efficiency, and better environmental conditions compared to traditional methods. KEXIN sells a wide variety of induction annealing and heat treating systems that can be used for heat treating, bonding and annealing.

The Basics of Induction Heat Treatment

Induction heat treatment is a precise and efficient process used to heat specific areas of a workpiece by generating an electromagnetic field. This field induces an electric current in the material, which produces localized heating, making the process ideal for hardening, tempering, and annealing metals without direct contact with a heat source. Induction heat treatment has a wide range of applications, from hardening automotive components like crankshafts to tempering tools and machinery parts.

Key Components of an Induction Heat Treatment System

An induction heating system consists of three main parts: the power supply, the induction coil, and the workpiece.

Power Supply

The power supply’s main function is to convert electrical energy into high-frequency current. This current is generated through a converter and rectifier, allowing for adjustable frequencies and power levels. It provides power to the entire system, controlling the frequency and intensity of the output to fine-tune the heating process.

Induction Coil

The induction coil is responsible for converting the electrical current into an alternating magnetic field. Typically made of copper wire, its design and shape must be customized based on the workpiece’s geometry. The coil’s design directly affects the magnetic field strength and the area of heating, ensuring efficient heat concentration on the workpiece.

Workpiece

The workpiece is the material being treated, usually made of metals like steel, aluminum, or copper. It is heated through eddy currents induced by the magnetic field. The effectiveness of the heating depends on the material’s conductivity and magnetic properties. This makes induction heating ideal for surface hardening of components like gears and bearings.

What are the advantages of induction heat treatment machine?

Surface Induction Heat Treatment

Surface induction quenching creates a hard surface layer with a tough core. This process can replace carburizing, induction hardening, and tempering, reducing the need for alloying elements. The process produces minimal oxide scale and deformation due to the short heating period.

Local Induction Heat Treatment

Localized heating precisely targets the areas needing quenching, especially in magnetic conductors or components with high power densities. This ensures accurate and efficient heating, reducing waste.

Energy-Efficient

Induction heat treatment is more energy-efficient compared to carburizing, oxidation, and conventional hardening processes. It reduces energy consumption, especially when there is a significant difference between the quenching and overall workpiece quality.

Rapid Heat Treatment

Induction hardening typically requires only 2-10 seconds of heating, reducing production cycles. This is especially beneficial when using self-tempering or random induction tempering. It makes the process similar to machining.

Clean Process

The induction quenching process uses water or water-based solutions with additives, generating little oil smoke. This leads to a cleaner working environment, enhancing safety and operational conditions.

What Is Induction Heat Treatment Applied For?

Billet, round bar, square bar induction forging

Induction forging is widely used for heat treating automotive parts like crankshafts, connecting rods, leaf springs, welded bridge housings, and gears. It offers high heating efficiency, precise temperature control, uniform billet heating, compact equipment size, and energy savings.

Induction heat treating

Induction heat treatment is effective for improving fatigue and wear resistance in automotive components. Local induction annealing is used to improve the mechanical properties of carburized parts, reducing brittleness and enhancing toughness. It is commonly used for thread annealing in gears, replacing traditional lead furnace methods.

Induction melting casting

Induction melting is used for steel and non-ferrous metals like aluminum alloys and brass. It provides fast heating, high productivity, excellent temperature uniformity, low investment costs, and improved casting quality due to homogeneous liquid metal composition.

Induction Heating for Curing Bonded Automotive Parts

Induction heating is used to cure adhesives in automotive parts after bonding. This method provides seamless bonding, maintains rust protection, improves sealing, and reduces vibrations. It also minimizes deformation, resulting in stable quality of the parts.

Induction Heat Treatment For Diverse Applications

Steel Bars Induction Heat Treating

Induction Heat Treat for Iron Bolts

Induction Heat Treatment of Automotive Gears

Metal Parts by Induction Heat-treating

Induction Heat Treating of Steel Shaft

Heat Treatment and Surface Tempering Process

Some Typical Materials Used For Induction Heat Treatment

Steel
Aluminum
Copper
Brass
Titanium
Nickel
Cast iron
Stainless steel
Tool steel
Hardened steel

Industries Of Induction Heat Treatment

Induction heat treatment is an important process used in various industries to improve the mechanical properties of metal parts. By subjecting a metal part to controlled heating and cooling cycles, induction heat treatment can change its microstructure to increase hardness, strength, wear resistance and other desired properties. It is widely used in various industries:

Oil and Gas Industry

The oil and gas industry relies on induction heat treatment to manufacture components such as drill bits, valves, pumps and pipes. These components are subject to harsh operating conditions, including high pressures, corrosive environments and abrasive substances. Induction hardening and case hardening techniques help improve the wear resistance and extend the service life of these critical parts.

Heavy Machinery and Equipment

Induction heat treatment is widely used in the production of heavy machinery and equipment in construction, mining, agriculture and other industries. Components such as gears, rollers, bearings and hydraulic components are induction hardened to withstand the heavy loads, wear and repetitive stresses encountered during operation.

Manufacturing and Tooling

In the wider manufacturing industry, induction heat treatment is essential to improve the performance and longevity of a wide range of tools, dies, molds and machine components. By selectively hardening specific areas or surfaces prone to wear, tools can maintain sharpness and dimensional accuracy, improving productivity and quality in processes such as metal stamping, forging and machining.

VIDEO

FAQS

01.What is an induction heat treatment?

Induction Heat-Treating is the controlled heating and cooling of a metal or alloy in order to obtain a set of desired metallurgical properties.

Induction annealing is the process by which induction heat is applied to increase a materials’ malleability in order to make it more workable.

The accuracy availed by induction heat treating, bonding and annealing equipment is ideal in today’s environment where there is little margin for error. KEXIN sells a wide variety of induction annealing and heat treating systems that can be used for heat treating, bonding and annealing.

02.How does induction heat treatment work?

It works by generating an alternating magnetic field using an induction coil, which induces eddy currents in the workpiece. These currents create localized heat, allowing for precise thermal treatment of materials.

03.What is induction annealing?

Induction annealing is a process where a metal is heated to a specific temperature and then cooled slowly to soften it, relieve stresses, and improve its ductility

04.Why should I buy an induction heat treatment machine?

Induction heat treatment machines are used because they offer efficiency, fast heating, safety, cleanness, and accurate control. They are the fastest method for hardening and heat treating, resulting in minimal distortion and a fine-grain microstructure. Induction heating is accurate, fast, repeatable, and efficient, making it suitable for precise or repetitive operations. It is a rapid, energy-efficient, flameless method of heating electrically conductive materials.

05.What types of metals can be treated using induction heat treatment?

Induction heat treatment is commonly used for ferrous metals like steel, as well as non-ferrous materials like copper, aluminum, and brass.

06.What is the difference between induction hardening and induction tempering?

Induction hardening involves heating a metal surface to a high temperature and then rapidly cooling it to increase hardness, while tempering involves heating the material to a lower temperature to adjust its hardness and relieve internal stresses.

07.Can induction heat treatment be used for surface hardening?

Yes, induction heat treatment is particularly effective for surface hardening of metals, where only the outer layer is heated and hardened while the core remains softer and more ductile

08.How to choose the frequency of induction heat treatment machine?

For different workpiece materials, sizes and shapes, the frequency will be different accordingly.

Please send inquiry to us, we will recommend the optimal induction heat treatment machine on your request.

09.How to choose the cooling system for induction heat treatment machine?

We will recommend the most suitable cooling system based on different heating requirements.

10. Do I need to buy a cooling system separately for KEXIN induction heat treatment machine？

Yes, you can prepare a water tank and a water pump to work as cooling system; Or you can directly prepare a cooling chiller.

11. What about delivery?

We offer assistance on seeking best shipping way and suitable forwarder.
Any loading port and any destination city address are both OK for us.

12. What safety measures should be considered during induction heat treatment?

Safety measures include proper shielding to protect operators from electromagnetic fields, as well as protective gear to guard against high temperatures and the potential for burns.

13. What is the cost of induction heat treatment?

The cost can vary depending on factors such as the size of the workpiece, the complexity of the process, and the equipment required. Generally, induction heat treatment is more cost-effective for high-volume production.

14. Is induction heat treatment suitable for large parts?

Yes, although it is particularly effective for smaller parts, induction heat treatment can also be applied to large components with specialized equipment that ensures uniform heating.

REQUEST A QUOTE

Looking for guidance on choosing the perfect product from our range? Our team is here to help. Simply fill out this form and we'll provide personalized recommendations based on your preferences.