Induction hardening is a process that uses induction heating to heat a part of the metal and quench the heated area. This causes a martensitic transformation in the metal component, which increases its brittleness and hardness. Induction hardening is used to selectively harden specific parts of a metal component without affecting the entire metal part or changing its basic physical properties.
Induction hardening is mainly used on steel and involves heating by fluctuating and alternating magnetic fields to induce high temperatures suitable for initiating transformation in the metal part, followed by immediate quenching of the metal part. The physical properties of the core component as well as the metal part remain unchanged. On the other hand, the hardness of the treated metal part increases many times. The two most suitable metals for this treatment are alloy steel and carbon.
The induction hardening process is used to treat many mechanical parts such as shafts, springs, spindles and gears to ensure better performance. The effectiveness depends on a number of factors, such as the introduction of residual stresses and the properties of the modified surface material. The whole process improves the durability of the treated metal. Medium carbon steels hardened by this process are widely used in the manufacture of critical automotive parts where improved wear resistance is required.
Induction hardening machines manufactured and supplied by Tianyuan are used in various industries such as automotive parts manufacturing, large machine spare parts manufacturing and hand tool manufacturing. They also search for hardening machines for shafts, gears, spindles etc. Hardening machines for shafts and gears are effectively used in the manufacture of critical components for assembly line parts and spare parts that make up automobiles that require extra durability. The spindle hardening machines offered by our company are also very popular with our customers. Our hardening machines are equipped with a variety of additional hand tools and are suitable for a wide range of applications.
Induction hardening machines are used in the manufacturing industry to increase the hardness and durability of metal parts. Some of the common features of induction hardening machines are:
Induction heating system: The machine features an induction heating system that uses high-frequency electricity to generate heat. The heating coil is placed near the metal part, and the high-frequency current induces eddy currents in the part, heating it up rapidly.
Quenching system: The machine also has a quenching system, which rapidly cools the metal part after it has been heated. This is done to achieve the desired hardness and to prevent the part from warping or cracking.
CNC controls: Many induction hardening machines use computer numerical controls (CNC) to ensure precise heating and cooling of the metal parts. The CNC system allows operators to set specific heating and cooling profiles for each part, ensuring consistency and repeatability.
Cooling system: The machine also features a cooling system to dissipate the heat generated during the induction hardening process. This is important to prevent overheating and damage to the machine.
Safety features: Induction hardening machines often come equipped with safety features such as emergency stop buttons, thermal overload protection, and interlocks to prevent the operator from accessing the machine during the heating and cooling process.
Conveyor system: Some induction hardening machines also have a conveyor system that automatically moves parts through the heating and cooling process. This allows for high-volume production and reduces the need for manual handling of the parts.
Multiple frequency capabilities: Some machines can operate at multiple frequencies, which enables them to work with a wide range of metal parts and achieve different levels of hardness.
Power supply: The machine requires a high-power supply, often in the range of several hundred kilowatts. This is necessary to generate the high-frequency currents required for induction heating.
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