Heating element arrangement for a vacuum heat treating furnace

摘要

A heating element arrangement for a vacuum heat treating furnace is disclosed. The heating element arrangement includes a central heating element array as well as first and second outboard heating element arrays spaced apart from and coaxially aligned with the central heating element array. The heating element arrangement also includes first and second end heating elements disposed at respective first and second end positions relative to the central heating element array and the first and second outboard heating element arrays. Power transformers are operatively connected to the central heating element array, to the first outboard heating element array and first end heating element array, and to the second outboard heating element array and second end heating element array for providing electric current to the respective heating element arrays.