Machine Model: KQM-60
Induction hardening engine valve, valve stem, and valve head induction hardening.
Change the hardness of engine valve materials, increase the wear resistance of products.
Before induction hardening
Heat treatment range
Valve rod diameter: 5-10 mm, valve seat diameter: 20-50 mm, total length: 70-150 mm
21-4N, 4Cr10Si2Mo, import: SUH:3, SUH:35, etc., hardness: 25-45 HRC
After induction hardening
More than 50HRC
High frequency induction hardening machine
Automotive parts industry
The function of the engine valve is to input air into the engine and discharge the exhaust gas after combustion, which usually includes a valve stem and a valve head. The ends of the valve stems are heat treated as needed to meet strength requirements.
During heat treatment, different methods will be adopted according to the strength requirements, customer requirements, and valve stem size. If the diameter of the valve stem is greater than or equal to 8mm, surface hardening is required; if the diameter of the valve stem is less than 8mm, full hardening is required.
If you are in the engine valve fields, to request more information about the engine valve induction hardening system, please contact us.