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| Categories | Induction Hardening Machine | 
|---|---|
| Brand Name: | GY | 
| Certification: | CE, FCC, SGS, ROHS | 
| Place of Origin: | CHINA | 
| MOQ: | 1 set | 
| Price: | negotiation | 
| Payment Terms: | T/T | 
| Supply Ability: | 500 sets per month | 
| Delivery Time: | 5-8 workdays after payment | 
| Packaging Details: | wooden boxes | 
| Product Name: | Induction Quenching Machine | 
| Net Weight: | 900kgs | 
| Warranty: | 12months | 
| Technology support: | All life | 
| After-sales Service Provided: | Engineer On-site Service, Online Support, Video Technical Support | 
| Work time: | 24 hours a day | 
| Features: | Energy saving, safer, more efficient, environmentally, | 
| Application: | Induction Quenching, Induction Hardening | 
| Company Info. | 
| Guangyuan Technology (HK) Electronics Co., Ltd. | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
Discs / Rod Heating Induction Hardening Machine For Surface Quenching

Induction Hardening Machine
Induction hardening is a type of heat treatment in which metal parts are heated by electromagnetic induction and then quenched. It is also a type of case hardening and can be used for many steel and steel alloys to improve mechanical properties such as surface hardness and fatigue strength and resistance.Typical applications of induction hardening is the hardening of steel and cast iron. Especially parts, such as drive shafts, engine components and gears undergo the process.
INDUCTION HARDENING PROCESS
Induction Hardening can be split into two steps. The first one is induction heating, in which electrically conducting metals are heated with an electromagnet. The quenching phase follows directly after to alter the surface structure of the material.
INDUCTION HEATING
Materials such as steel components are typically placed inside a water cooled copper coil where they are subject to an alternating magnetic field. They undergo electromagnetic induction by means of an electromagnet and an electronic oscillator. This oscillator sends alternating currents through the electromagnet, causing alternating magnetic fields that penetrate the material. The results are eddy currents (loops of electrical current) which heat the object within the coil above the transformation temperature. Induction hardening is a form of surface hardening in which the depth can be up to 8 mm. The deeper the currents penetrate, the higher the frequency of the alternating magnetic fields have to be.
Steels that have a ferromagnetic structure (which is inherited from the iron) can also be heated by magnetic hysteresis losses. Magnetic hysteresis losses produce heat by re-aligning magnetic domains, although it depends on the frequency of the currents, the penetration depth and the properties of the material (size, density, alloys) how much heat can be generated (Ph = (kh )(f)(Bmax)n).
INDUCTION QUENCHING
Directly after the induction heating process, the object has to be quenched, meaning that it has to be cooled down extremely quickly. To do that, the workpiece is typically placed in a tank of oil or water, although sometimes cold air is used. Quenching ensures that only the surface is hardened and that heat doesn’t spread into the core of the material, avoiding phase transformations from arising. Furthermore, the rapid cooling down creates a martensitic or ferritic-martensitic structure on the surface layer. These structure display higher tensile strength and low initial yielding stress than a purely ferritic structure. Quenching also reduced grain size, which is a key factor to increasing hardness of materials.

Quick Detail:
| Name | Spray cooling Quenching Machine Induction Hardening Machine For Tempering Gear | Application | Quenching | 
| Net weight | 900kg | Cooling method | immersion, hydrojet | 
| Dimension | 1100*900*2000 | Certificate | CE,SGS | 
Technical Parameters

Advantages of induction hardening:



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