FURNACE SYSTEM FOR THE CONTROLLED HEAT TREATMENT OF SHEET METAL PARTS

摘要

The invention relates to a furnace system and a method for the controlled heat treatment of sheet metal components in individual component zones. The invention proposes a furnace system that is suitable for partly heating components made of steel sheet to a temperature above the AC3 temperature. The furnace system has a production furnace for heating the steel sheet parts to a temperature that is close to but below the AC3 temperature, said furnace system further having a profiling furnace with at least one level. The at least one level has an upper and lower part and a product-specific intermediate flange that is introduced into a corresponding receiving area. The product-specific intermediate flange is designed to impose a specified temperature profile on the component with temperatures over AC3 for regions to be hardened and below AC3 for softer regions. Furthermore, the invention relates to a corresponding method for partly heating steel sheet parts to a temperature above the AC3 temperature.

主权项

1. A method for partially heating up sheet steel parts to a temperature above an Ac3 temperature, comprising the steps of:
heating a steel part in a production furnace; positioning the heated steel part by a positioning system; placing the positioned steel part in a defined position into a profiling furnace; imparting a temperature profile to the steel part in the profiling furnace, whereby one selected area of the steel part is brought to or kept at a temperature above the Ac3 temperature, and whereby another selected area of the steel part is brought to or kept at a temperature below the Ac3 temperature; removing from the profiling furnace the steel part that has been imparted with the temperature profile.