The workflow of a steel bar induction hardening machine usually includes the following steps:
1. Preparation work
Equipment inspection: Check whether all parts of the heat treatment quenching production line are operating normally, including heating equipment, cooling equipment, conveying equipment, etc.
Material preparation: Prepare the steel bars to be processed and ensure that their surfaces are clean, free of oil stains and impurities.
2. Heating up
Feeding: The steel bars to be processed are fed into the steel bar induction heat treatment machine through the feeding mechanism.
Conveying and Heating: Steel bars are fed at a uniform speed while rotating on the conveyor roller, and are heated to quenching temperature by an induction heating device. Induction heating usually utilizes the principle of medium frequency electromagnetic induction heating to achieve fast and uniform heating.
3. Quenching
Spray quenching: After the steel rod is heated to the predetermined temperature, it enters the cooling device for spray quenching. Spray quenching is a rapid cooling process commonly used to obtain higher hardness and martensitic structure.
Cooling medium selection: Select the appropriate cooling medium based on the material of the steel rod and quenching requirements. Common quenching media include water, oil, air, and salt bath. Different media have different cooling rates, and the selection should be based on specific circumstances.
4. Tempering
Tempering heating and insulation: After quenching, steel bars need to be tempered to reduce brittleness caused by quenching and improve toughness. The tempering process is usually carried out at a lower temperature and lasts for a certain period of time.
Cooling: After tempering, the steel rod is usually naturally cooled in air, but other cooling media can also be used as needed.
5. Receiving and Inspection
Material receiving: The processed steel bars are taken out from the steel bar heat treatment induction equipment through the discharge mechanism. Quality inspection: The quenched steel bars are subjected to quality inspection, including hardness testing, microstructure observation, etc., to ensure that they meet the expected mechanical properties.
6、 Precautions
Temperature control: During the heating and tempering process, it is necessary to strictly control the temperature and time to ensure that the steel rod obtains the required structure and properties.
Cooling rate: The cooling rate during quenching has a significant impact on the performance of steel bars and needs to be selected according to specific materials and requirements.
Equipment maintenance: Regularly maintain and upkeep the equipment to ensure its normal operation and extend its service life.
The workflow of the steel bar heat treatment quenching production line includes multiple stages such as preparation, heating, quenching, tempering, receiving and inspection, and precautions. By strictly controlling the parameters and operating processes of each link, it is possible to ensure that the steel obtains the required structure and properties.
Overseas manager: Tom Wang
Email:tom@foreverfurnace.com
Phone: 0086-13303078975(whatsapp, wechat,line)
Specialist of induction heat treatment furnace in China; Glad to be your business partner in induction heating field.
Post time: 10-17-2024