A process for heating a crankshaft of electrically conductive material to relieve hardening stresses involves passing medium frequency ac through the crankshaft to heat it pref to 220 - 300 deg C. Also claimed is an appts for carrying out the above process.
申请公布号
DE19504784(A1)
申请公布日期
1996.08.22
申请号
DE19951004784
申请日期
1995.02.14
申请人
INTEC INDUKTIONS-TECHNIK GMBH, 69434 HIRSCHHORN, DE
发明人
GATTERMEIER, HELMUT, DIPL.-ING., 69434 BROMBACH, DE
